Style

Fri, 19 Oct 2018 13:31:36 +0200

author
David Demelier <markand@malikania.fr>
date
Fri, 19 Oct 2018 13:31:36 +0200
changeset 9
d9309daa0d7b
parent 8
e7a1a3c4f850
child 10
ae1003c2a284

Style

CMakeLists.txt file | annotate | diff | comparison | revisions
INSTALL.md file | annotate | diff | comparison | revisions
doc/mainpage.cpp file | annotate | diff | comparison | revisions
generator/cat/CMakeLists.txt file | annotate | diff | comparison | revisions
generator/cat/cat.cpp file | annotate | diff | comparison | revisions
generator/make-unicode/CMakeLists.txt file | annotate | diff | comparison | revisions
generator/make-unicode/src/mkunicode.c file | annotate | diff | comparison | revisions
generator/make-unicode/src/utf.h file | annotate | diff | comparison | revisions
generator/make-unicode/unicode-after.cpp file | annotate | diff | comparison | revisions
generator/make-unicode/unicode.hpp file | annotate | diff | comparison | revisions
test/main.cpp file | annotate | diff | comparison | revisions
unicode.cpp file | annotate | diff | comparison | revisions
unicode.hpp file | annotate | diff | comparison | revisions
--- a/CMakeLists.txt	Mon Jul 09 23:40:56 2018 +0200
+++ b/CMakeLists.txt	Fri Oct 19 13:31:36 2018 +0200
@@ -34,13 +34,13 @@
 
 enable_testing()
 add_executable(
-    unicode
-    ${unicode_SOURCE_DIR}/unicode.cpp
-    ${unicode_SOURCE_DIR}/unicode.hpp
-    ${unicode_SOURCE_DIR}/test/main.cpp
-    ${unicode_SOURCE_DIR}/INSTALL.md
-    ${unicode_SOURCE_DIR}/LICENSE.md
-    ${unicode_SOURCE_DIR}/README.md
+	unicode
+	${unicode_SOURCE_DIR}/unicode.cpp
+	${unicode_SOURCE_DIR}/unicode.hpp
+	${unicode_SOURCE_DIR}/test/main.cpp
+	${unicode_SOURCE_DIR}/INSTALL.md
+	${unicode_SOURCE_DIR}/LICENSE.md
+	${unicode_SOURCE_DIR}/README.md
 )
 target_link_libraries(unicode Boost::unit_test_framework)
 target_include_directories(unicode PRIVATE ${unicode_SOURCE_DIR})
@@ -48,19 +48,19 @@
 add_test(unicode unicode)
 
 if (DOXYGEN_FOUND)
-    set(DOXYGEN_PROJECT_NAME unicode)
-    set(DOXYGEN_PROJECT_NUMBER ${UNICODE_VERSION})
-    set(DOXYGEN_STRIP_FROM_PATH ${unicode_SOURCE_DIR})
-    set(DOXYGEN_WARN_NO_PARAMDOC YES)
-    set(DOXYGEN_WARN_AS_ERROR YES)
-    set(DOXYGEN_QUIET YES)
+	set(DOXYGEN_PROJECT_NAME unicode)
+	set(DOXYGEN_PROJECT_NUMBER ${UNICODE_VERSION})
+	set(DOXYGEN_STRIP_FROM_PATH ${unicode_SOURCE_DIR})
+	set(DOXYGEN_WARN_NO_PARAMDOC YES)
+	set(DOXYGEN_WARN_AS_ERROR YES)
+	set(DOXYGEN_QUIET YES)
 
-    doxygen_add_docs(
-        doxygen
-        ${unicode_SOURCE_DIR}/doc/mainpage.cpp
-        ${unicode_SOURCE_DIR}/unicode.hpp
-        WORKING_DIRECTORY ${unicode_SOURCE_DIR}
-    ) 
+	doxygen_add_docs(
+		doxygen
+		${unicode_SOURCE_DIR}/doc/mainpage.cpp
+		${unicode_SOURCE_DIR}/unicode.hpp
+		WORKING_DIRECTORY ${unicode_SOURCE_DIR}
+	) 
 
-    add_dependencies(unicode doxygen)
+	add_dependencies(unicode doxygen)
 endif ()
--- a/INSTALL.md	Mon Jul 09 23:40:56 2018 +0200
+++ b/INSTALL.md	Fri Oct 19 13:31:36 2018 +0200
@@ -4,7 +4,7 @@
 Requirements
 ------------
 
-  - C++14.
+- C++17.
 
 Installation
 ------------
--- a/doc/mainpage.cpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/doc/mainpage.cpp	Fri Oct 19 13:31:36 2018 +0200
@@ -5,7 +5,10 @@
  *
  * ## Introduction
  * 
- * This library provides UTF-8 to UTF-32 conversions and routines to test category of characters. It works on std::string and std::u32string.
+ * This library provides UTF-8 to UTF-32 conversions and routines to test
+ * category of characters. It works on std::string and std::u32string.
+ *
+ * With C++17, you can also use std::string_view and std::u32string_view.
  *
  * ## Installation
  * 
--- a/generator/cat/CMakeLists.txt	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/cat/CMakeLists.txt	Fri Oct 19 13:31:36 2018 +0200
@@ -18,16 +18,16 @@
 
 add_executable(cat cat.cpp)
 set_target_properties(
-    cat
-    PROPERTIES
-    RUNTIME_OUTPUT_NAME cat
-    RUNTIME_OUTPUT_NAME_DEBUG cat
-    RUNTIME_OUTPUT_NAME_RELEASE cat
-    RUNTIME_OUTPUT_NAME_RELWITHDEBINFO cat
-    RUNTIME_OUTPUT_NAME_MINISIZEREL cat
-    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
-    RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}
-    RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}
-    RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_BINARY_DIR}
-    RUNTIME_OUTPUT_DIRECTORY_MINISIZEREL ${CMAKE_BINARY_DIR}
+	cat
+	PROPERTIES
+	RUNTIME_OUTPUT_NAME cat
+	RUNTIME_OUTPUT_NAME_DEBUG cat
+	RUNTIME_OUTPUT_NAME_RELEASE cat
+	RUNTIME_OUTPUT_NAME_RELWITHDEBINFO cat
+	RUNTIME_OUTPUT_NAME_MINISIZEREL cat
+	RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
+	RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}
+	RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}
+	RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_BINARY_DIR}
+	RUNTIME_OUTPUT_DIRECTORY_MINISIZEREL ${CMAKE_BINARY_DIR}
 )
--- a/generator/cat/cat.cpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/cat/cat.cpp	Fri Oct 19 13:31:36 2018 +0200
@@ -24,23 +24,23 @@
 
 int main(int argc, char** argv)
 {
-    -- argc;
-    ++ argv;
+	-- argc;
+	++ argv;
 
-    if (argc < 2) {
-        std::cerr << "usage: cat output file1 [files...]" << std::endl;
-        return 1;
-    }
+	if (argc < 2) {
+		std::cerr << "usage: cat output file1 [files...]" << std::endl;
+		return 1;
+	}
 
-    std::ofstream output(argv[0]);
+	std::ofstream output(argv[0]);
 
-    for (int i = 1; i < argc; ++i) {
-        std::ifstream input(argv[i]);
-        std::string line;
+	for (int i = 1; i < argc; ++i) {
+		std::ifstream input(argv[i]);
+		std::string line;
 
-        while (std::getline(input, line))
-            output << line << "\n";
-    }
+		while (std::getline(input, line))
+			output << line << "\n";
+	}
 
-    return 0;
+	return 0;
 }
--- a/generator/make-unicode/CMakeLists.txt	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/make-unicode/CMakeLists.txt	Fri Oct 19 13:31:36 2018 +0200
@@ -17,33 +17,33 @@
 #
 
 add_executable(
-    generator
-    src/mkunicode.c
-    src/utf.h
-    src/utfdef.h
+	generator
+	src/mkunicode.c
+	src/utf.h
+	src/utfdef.h
 )
 
 add_custom_target(
-    generate-unicode
-    COMMAND
-        $<TARGET_FILE:generator>
-            ${unicode_BINARY_DIR}/unicode-tmp.cpp
-            ${CMAKE_CURRENT_SOURCE_DIR}/UnicodeData.txt
-    COMMAND
-        $<TARGET_FILE:cat>
-        ${unicode_SOURCE_DIR}/unicode.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/unicode-before.cpp
-        ${unicode_BINARY_DIR}/unicode-tmp.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/unicode-after.cpp
-    COMMAND
-        ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/unicode.hpp ${unicode_SOURCE_DIR}
-    COMMAND
-        ${CMAKE_COMMAND} -E remove ${unicode_BINARY_DIR}/unicode-tmp.cpp
-    SOURCES
-        ${CMAKE_CURRENT_SOURCE_DIR}/unicode-before.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/unicode-after.cpp
-        ${CMAKE_CURRENT_SOURCE_DIR}/unicode.hpp
-    DEPENDS
-        generator
-        ${CMAKE_BINARY_DIR}/cat
+	generate-unicode
+	COMMAND
+		$<TARGET_FILE:generator>
+			${unicode_BINARY_DIR}/unicode-tmp.cpp
+			${CMAKE_CURRENT_SOURCE_DIR}/UnicodeData.txt
+	COMMAND
+		$<TARGET_FILE:cat>
+		${unicode_SOURCE_DIR}/unicode.cpp
+		${CMAKE_CURRENT_SOURCE_DIR}/unicode-before.cpp
+		${unicode_BINARY_DIR}/unicode-tmp.cpp
+		${CMAKE_CURRENT_SOURCE_DIR}/unicode-after.cpp
+	COMMAND
+		${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/unicode.hpp ${unicode_SOURCE_DIR}
+	COMMAND
+		${CMAKE_COMMAND} -E remove ${unicode_BINARY_DIR}/unicode-tmp.cpp
+	SOURCES
+		${CMAKE_CURRENT_SOURCE_DIR}/unicode-before.cpp
+		${CMAKE_CURRENT_SOURCE_DIR}/unicode-after.cpp
+		${CMAKE_CURRENT_SOURCE_DIR}/unicode.hpp
+	DEPENDS
+		generator
+		${CMAKE_BINARY_DIR}/cat
 )
--- a/generator/make-unicode/src/mkunicode.c	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/make-unicode/src/mkunicode.c	Fri Oct 19 13:31:36 2018 +0200
@@ -53,31 +53,31 @@
 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
 
 enum {
-    /*
-     * fields in the unicode data file
-     */
-    FIELD_CODE,
-    FIELD_NAME,
-    FIELD_CATEGORY,
-    FIELD_COMBINING,
-    FIELD_BIDIR,
-    FIELD_DECOMP,
-    FIELD_DECIMAL_DIG,
-    FIELD_DIG,
-    FIELD_NUMERIC_VAL,
-    FIELD_MIRRORED,
-    FIELD_UNICODE_1_NAME,
-    FIELD_COMMENT,
-    FIELD_UPPER,
-    FIELD_LOWER,
-    FIELD_TITLE,
-    NFIELDS,
+	/*
+	 * fields in the unicode data file
+	 */
+	FIELD_CODE,
+	FIELD_NAME,
+	FIELD_CATEGORY,
+	FIELD_COMBINING,
+	FIELD_BIDIR,
+	FIELD_DECOMP,
+	FIELD_DECIMAL_DIG,
+	FIELD_DIG,
+	FIELD_NUMERIC_VAL,
+	FIELD_MIRRORED,
+	FIELD_UNICODE_1_NAME,
+	FIELD_COMMENT,
+	FIELD_UPPER,
+	FIELD_LOWER,
+	FIELD_TITLE,
+	NFIELDS,
 
-    MAX_LINE    = 1024,
+	MAX_LINE        = 1024,
 
-    TO_OFFSET   = 1 << 20,
+	TO_OFFSET       = 1 << 20,
 
-    NRUNES      = 1 << 21,
+	NRUNES          = 1 << 21,
 };
 
 #define TO_DELTA(xmapped,x) (TO_OFFSET + (xmapped) - (x))
@@ -104,152 +104,152 @@
 static void
 usage(void)
 {
-    fprintf(stderr, "usage: mktables [-cp] output UnicodeData.txt\n");
-    exit(1);
+	fprintf(stderr, "usage: mktables [-cp] output UnicodeData.txt\n");
+	exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {
-    FILE *in;
-    char buf[MAX_LINE], buf2[MAX_LINE];
-    char *fields[NFIELDS + 1], *fields2[NFIELDS + 1];
-    char *p;
-    int i, code, last, usepairs;
+	FILE *in;
+	char buf[MAX_LINE], buf2[MAX_LINE];
+	char *fields[NFIELDS + 1], *fields2[NFIELDS + 1];
+	char *p;
+	int i, code, last, usepairs;
 
-    usepairs = 0;
+	usepairs = 0;
 
-    --argc;
-    ++argv;
+	--argc;
+	++argv;
 
-    if (argc != 2){
-        usage();
-    }
+	if (argc != 2){
+		usage();
+	}
 
-    out = fopen(argv[0], "w");
-    if (out == NULL) {
-        fatal("can't open %s", argv[0]);
-    }
+	out = fopen(argv[0], "w");
+	if (out == NULL) {
+		fatal("can't open %s", argv[0]);
+	}
 
-    in = fopen(argv[1], "r");
+	in = fopen(argv[1], "r");
 
-    if (in == NULL) {
-        fatal("can't open %s", argv[1]);
-    }
+	if (in == NULL) {
+		fatal("can't open %s", argv[1]);
+	}
 
-    for(i = 0; i < NRUNES; i++){
-        mytoupper[i] = i;
-        mytolower[i] = i;
-        mytotitle[i] = i;
-    }
+	for(i = 0; i < NRUNES; i++){
+		mytoupper[i] = i;
+		mytolower[i] = i;
+		mytotitle[i] = i;
+	}
 
-    /*
-     * make sure isspace has all of the "C" locale whitespace chars
-     */
-    myisspace['\t'] = 1;
-    myisspace['\n'] = 1;
-    myisspace['\r'] = 1;
-    myisspace['\f'] = 1;
-    myisspace['\v'] = 1;
+	/*
+	 * make sure isspace has all of the "C" locale whitespace chars
+	 */
+	myisspace['\t'] = 1;
+	myisspace['\n'] = 1;
+	myisspace['\r'] = 1;
+	myisspace['\f'] = 1;
+	myisspace['\v'] = 1;
 
-    /*
-     * a couple of other exceptions
-     */
-    myisspace[0x85] = 1;    /* control char, "next line" */
-    myisspace[0xfeff] = 1;  /* zero-width non-break space */
+	/*
+	 * a couple of other exceptions
+	 */
+	myisspace[0x85] = 1;	/* control char, "next line" */
+	myisspace[0xfeff] = 1;  /* zero-width non-break space */
 
-    last = -1;
-    while(getunicodeline(in, fields, buf)){
-        code = getcode(fields[FIELD_CODE]);
-        if (code >= NRUNES)
-            fatal("code-point value too big: %x", code);
-        if(code <= last)
-            fatal("bad code sequence: %x then %x", last, code);
-        last = code;
+	last = -1;
+	while(getunicodeline(in, fields, buf)){
+		code = getcode(fields[FIELD_CODE]);
+		if (code >= NRUNES)
+			fatal("code-point value too big: %x", code);
+		if(code <= last)
+			fatal("bad code sequence: %x then %x", last, code);
+		last = code;
 
-        /*
-         * check for ranges
-         */
-        p = fields[FIELD_CATEGORY];
-        if(strstr(fields[FIELD_NAME], ", First>") != NULL){
-            if(!getunicodeline(in, fields2, buf2))
-                fatal("range start at eof");
-            if (strstr(fields2[FIELD_NAME], ", Last>") == NULL)
-                fatal("range start not followed by range end");
-            last = getcode(fields2[FIELD_CODE]);
-            if(last <= code)
-                fatal("range out of sequence: %x then %x", code, last);
-            if(strcmp(p, fields2[FIELD_CATEGORY]) != 0)
-                fatal("range with mismatched category");
-        }
+		/*
+		 * check for ranges
+		 */
+		p = fields[FIELD_CATEGORY];
+		if(strstr(fields[FIELD_NAME], ", First>") != NULL){
+			if(!getunicodeline(in, fields2, buf2))
+				fatal("range start at eof");
+			if (strstr(fields2[FIELD_NAME], ", Last>") == NULL)
+				fatal("range start not followed by range end");
+			last = getcode(fields2[FIELD_CODE]);
+			if(last <= code)
+				fatal("range out of sequence: %x then %x", code, last);
+			if(strcmp(p, fields2[FIELD_CATEGORY]) != 0)
+				fatal("range with mismatched category");
+		}
 
-        /*
-         * set properties and conversions
-         */
-        for (; code <= last; code++){
-            if(p[0] == 'L')
-                myisalpha[code] = 1;
-            if(p[0] == 'Z')
-                myisspace[code] = 1;
+		/*
+		 * set properties and conversions
+		 */
+		for (; code <= last; code++){
+			if(p[0] == 'L')
+				myisalpha[code] = 1;
+			if(p[0] == 'Z')
+				myisspace[code] = 1;
 
-            if(strcmp(p, "Lu") == 0)
-                myisupper[code] = 1;
-            if(strcmp(p, "Ll") == 0)
-                myislower[code] = 1;
+			if(strcmp(p, "Lu") == 0)
+				myisupper[code] = 1;
+			if(strcmp(p, "Ll") == 0)
+				myislower[code] = 1;
 
-            if(strcmp(p, "Lt") == 0)
-                myistitle[code] = 1;
+			if(strcmp(p, "Lt") == 0)
+				myistitle[code] = 1;
 
-            if(strcmp(p, "Nd") == 0)
-                myisdigit[code] = 1;
+			if(strcmp(p, "Nd") == 0)
+				myisdigit[code] = 1;
 
-            /*
-             * when finding conversions, also need to mark
-             * upper/lower case, since some chars, like
-             * "III" (0x2162), aren't defined as letters but have a
-             * lower case mapping ("iii" (0x2172)).
-             */
-            if(fields[FIELD_UPPER][0] != '\0'){
-                mytoupper[code] = getcode(fields[FIELD_UPPER]);
-            }
-            if(fields[FIELD_LOWER][0] != '\0'){
-                mytolower[code] = getcode(fields[FIELD_LOWER]);
-            }
-            if(fields[FIELD_TITLE][0] != '\0'){
-                mytotitle[code] = getcode(fields[FIELD_TITLE]);
-            }
-        }
-    }
+			/*
+			 * when finding conversions, also need to mark
+			 * upper/lower case, since some chars, like
+			 * "III" (0x2162), aren't defined as letters but have a
+			 * lower case mapping ("iii" (0x2172)).
+			 */
+			if(fields[FIELD_UPPER][0] != '\0'){
+				mytoupper[code] = getcode(fields[FIELD_UPPER]);
+			}
+			if(fields[FIELD_LOWER][0] != '\0'){
+				mytolower[code] = getcode(fields[FIELD_LOWER]);
+			}
+			if(fields[FIELD_TITLE][0] != '\0'){
+				mytotitle[code] = getcode(fields[FIELD_TITLE]);
+			}
+		}
+	}
 
-    fclose(in);
+	fclose(in);
 
-    /*
-     * check for codes with no totitle mapping but a toupper mapping.
-     * these appear in UnicodeData-2.0.14.txt, but are almost certainly
-     * erroneous.
-     */
-    for(i = 0; i < NRUNES; i++){
-        if(mytotitle[i] == i
-        && mytoupper[i] != i
-        && !myistitle[i])
-            fprintf(stderr, "warning: code=%.4x not istitle, totitle is same, toupper=%.4x\n", i, mytoupper[i]);
-    }
+	/*
+	 * check for codes with no totitle mapping but a toupper mapping.
+	 * these appear in UnicodeData-2.0.14.txt, but are almost certainly
+	 * erroneous.
+	 */
+	for(i = 0; i < NRUNES; i++){
+		if(mytotitle[i] == i
+		&& mytoupper[i] != i
+		&& !myistitle[i])
+			fprintf(stderr, "warning: code=%.4x not istitle, totitle is same, toupper=%.4x\n", i, mytoupper[i]);
+	}
 
-    /*
-     * make sure isupper[c] is true if for some x toupper[x]  == c
-     * ditto for islower and istitle
-     */
-    for(i = 0; i < NRUNES; i++) {
-        if(mytoupper[i] != i)
-            myisupper[mytoupper[i]] = 1;
-        if(mytolower[i] != i)
-            myislower[mytolower[i]] = 1;
-        if(mytotitle[i] != i)
-            myistitle[mytotitle[i]] = 1;
-    }
+	/*
+	 * make sure isupper[c] is true if for some x toupper[x]  == c
+	 * ditto for islower and istitle
+	 */
+	for(i = 0; i < NRUNES; i++) {
+		if(mytoupper[i] != i)
+			myisupper[mytoupper[i]] = 1;
+		if(mytolower[i] != i)
+			myislower[mytolower[i]] = 1;
+		if(mytotitle[i] != i)
+			myistitle[mytotitle[i]] = 1;
+	}
 
-    mktables(argv[0], usepairs);
-    exit(0);
+	mktables(argv[0], usepairs);
+	exit(0);
 }
 
 /*
@@ -259,42 +259,42 @@
 static int
 mkisrange(const char* label, char* prop, int force)
 {
-    int start, stop, some;
+	int start, stop, some;
 
-    /*
-     * first, the ranges
-     */
-    some = 0;
-    for(start = 0; start < NRUNES; ) {
-        if(!prop[start]){
-            start++;
-            continue;
-        }
+	/*
+	 * first, the ranges
+	 */
+	some = 0;
+	for(start = 0; start < NRUNES; ) {
+		if(!prop[start]){
+			start++;
+			continue;
+		}
 
-        for(stop = start + 1; stop < NRUNES; stop++){
-            if(!prop[stop]){
-                break;
-            }
-            prop[stop] = 0;
-        }
-        if(force || stop != start + 1){
-            if(!some){
-                fprintf(out, "namespace {\n\n");
-                fprintf(out, "const char32_t is%sr[] = {\n", label);
-                some = 1;
-            }
-            prop[start] = 0;
-            fprintf(out, "    0x%.4x, 0x%.4x,\n", start, stop - 1);
-        }
+		for(stop = start + 1; stop < NRUNES; stop++){
+			if(!prop[stop]){
+				break;
+			}
+			prop[stop] = 0;
+		}
+		if(force || stop != start + 1){
+			if(!some){
+				fprintf(out, "namespace {\n\n");
+				fprintf(out, "const char32_t is%sr[] = {\n", label);
+				some = 1;
+			}
+			prop[start] = 0;
+			fprintf(out, "\t0x%.4x, 0x%.4x,\n", start, stop - 1);
+		}
 
-        start = stop;
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
+		start = stop;
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
 
-    return some;
+	return some;
 }
 
 /*
@@ -304,38 +304,38 @@
 static int
 mkispair(const char *label, char *prop)
 {
-    int start, stop, some;
+	int start, stop, some;
 
-    some = 0;
-    for(start = 0; start + 2 < NRUNES; ) {
-        if(!prop[start]){
-            start++;
-            continue;
-        }
+	some = 0;
+	for(start = 0; start + 2 < NRUNES; ) {
+		if(!prop[start]){
+			start++;
+			continue;
+		}
 
-        for(stop = start + 2; stop < NRUNES; stop += 2){
-            if(!prop[stop]){
-                break;
-            }
-            prop[stop] = 0;
-        }
-        if(stop != start + 2){
-            if(!some){
-                fprintf(out, "namespace {\n\n");
-                fprintf(out, "const char32_t is%sp[] = {\n", label);
-                some = 1;
-            }
-            prop[start] = 0;
-            fprintf(out, "    0x%.4x, 0x%.4x,\n", start, stop - 2);
-        }
+		for(stop = start + 2; stop < NRUNES; stop += 2){
+			if(!prop[stop]){
+				break;
+			}
+			prop[stop] = 0;
+		}
+		if(stop != start + 2){
+			if(!some){
+				fprintf(out, "namespace {\n\n");
+				fprintf(out, "const char32_t is%sp[] = {\n", label);
+				some = 1;
+			}
+			prop[start] = 0;
+			fprintf(out, "\t0x%.4x, 0x%.4x,\n", start, stop - 2);
+		}
 
-        start = stop;
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
-    return some;
+		start = stop;
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
+	return some;
 }
 
 /*
@@ -344,27 +344,27 @@
 static int
 mkissingle(const char *label, char *prop)
 {
-    int start, some;
+	int start, some;
 
-    some = 0;
-    for(start = 0; start < NRUNES; start++) {
-        if(!prop[start]){
-            continue;
-        }
+	some = 0;
+	for(start = 0; start < NRUNES; start++) {
+		if(!prop[start]){
+			continue;
+		}
 
-        if(!some){
-            fprintf(out, "namespace {\n\n");
-            fprintf(out, "const char32_t is%ss[] = {\n", label);
-            some = 1;
-        }
-        prop[start] = 0;
-        fprintf(out, "    0x%.4x,\n", start);
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
-    return some;
+		if(!some){
+			fprintf(out, "namespace {\n\n");
+			fprintf(out, "const char32_t is%ss[] = {\n", label);
+			some = 1;
+		}
+		prop[start] = 0;
+		fprintf(out, "\t0x%.4x,\n", start);
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
+	return some;
 }
 
 /*
@@ -373,51 +373,51 @@
 static void
 mkis(const char* label, char* prop, int usepairs)
 {
-    int isr, isp, iss;
+	int isr, isp, iss;
 
-    isr = mkisrange(label, prop, 0);
-    isp = 0;
-    if(usepairs)
-        isp = mkispair(label, prop);
-    iss = mkissingle(label, prop);
+	isr = mkisrange(label, prop, 0);
+	isp = 0;
+	if(usepairs)
+		isp = mkispair(label, prop);
+	iss = mkissingle(label, prop);
 
-    fprintf(out,
-        "bool is%s(char32_t c) noexcept\n"
-        "{\n"
-        "    const char32_t* p;\n"
-        "\n",
-        label);
+	fprintf(out,
+		"auto is%s(char32_t c) noexcept -> bool\n"
+		"{\n"
+		"\tconst char32_t* p;\n"
+		"\n",
+		label);
 
-    if(isr)
-        fprintf(out,
-            "    p = rbsearch(c, is%sr, nelem (is%sr) / 2, 2);\n\n"
-            "    if (p && c >= p[0] && c <= p[1])\n"
-            "        return true;\n",
-            label, label);
+	if(isr)
+		fprintf(out,
+			"\tp = search(c, is%sr, nelem (is%sr) / 2, 2);\n\n"
+			"\tif (p && c >= p[0] && c <= p[1])\n"
+			"\t\treturn true;\n",
+			label, label);
 
-    if(isp)
-        fprintf(out,
-            "\n"
-            "    p = rbsearch(c, is%sp, nelem (is%sp) / 2, 2);\n\n"
-            "    if (p && c >= p[0] && c <= p[1] && !((c - p[0]) & 1))\n"
-            "        return true;\n",
-            label, label);
+	if(isp)
+		fprintf(out,
+			"\n"
+			"\tp = search(c, is%sp, nelem (is%sp) / 2, 2);\n\n"
+			"\tif (p && c >= p[0] && c <= p[1] && !((c - p[0]) & 1))\n"
+			"\t\treturn true;\n",
+			label, label);
 
-    if(iss)
-        fprintf(out,
-            "\n"
-            "    p = rbsearch(c, is%ss, nelem (is%ss), 1);\n\n"
-            "    if (p && c == p[0])\n"
-            "        return true;\n",
-            label, label);
+	if(iss)
+		fprintf(out,
+			"\n"
+			"\tp = search(c, is%ss, nelem (is%ss), 1);\n\n"
+			"\tif (p && c == p[0])\n"
+			"\t\treturn true;\n",
+			label, label);
 
 
-    fprintf(out,
-        "\n"
-        "    return false;\n"
-        "}\n"
-        "\n"
-    );
+	fprintf(out,
+		"\n"
+		"\treturn false;\n"
+		"}\n"
+		"\n"
+	);
 }
 
 /*
@@ -427,42 +427,42 @@
 static int
 mktorange(const char* label, int* map, int force)
 {
-    int start, stop, delta, some;
+	int start, stop, delta, some;
 
-    some = 0;
-    for(start = 0; start < NRUNES; ) {
-        if(map[start] == start){
-            start++;
-            continue;
-        }
+	some = 0;
+	for(start = 0; start < NRUNES; ) {
+		if(map[start] == start){
+			start++;
+			continue;
+		}
 
-        delta = TO_DELTA(map[start], start);
-        if(delta != (Rune)delta)
-            fatal("bad map delta %d", delta);
-        for(stop = start + 1; stop < NRUNES; stop++){
-            if(TO_DELTA(map[stop], stop) != delta){
-                break;
-            }
-            map[stop] = stop;
-        }
-        if(stop != start + 1){
-            if(!some){
-                fprintf(out, "namespace {\n\n");
-                fprintf(out, "const char32_t to%sr[] = {\n", label);
-                some = 1;
-            }
-            map[start] = start;
-            fprintf(out, "    0x%.4x, 0x%.4x, %d,\n", start, stop - 1, delta);
-        }
+		delta = TO_DELTA(map[start], start);
+		if(delta != (Rune)delta)
+			fatal("bad map delta %d", delta);
+		for(stop = start + 1; stop < NRUNES; stop++){
+			if(TO_DELTA(map[stop], stop) != delta){
+				break;
+			}
+			map[stop] = stop;
+		}
+		if(stop != start + 1){
+			if(!some){
+				fprintf(out, "namespace {\n\n");
+				fprintf(out, "const char32_t to%sr[] = {\n", label);
+				some = 1;
+			}
+			map[start] = start;
+			fprintf(out, "\t0x%.4x, 0x%.4x, %d,\n", start, stop - 1, delta);
+		}
 
-        start = stop;
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
+		start = stop;
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
 
-    return some;
+	return some;
 }
 
 /*
@@ -472,42 +472,42 @@
 static int
 mktopair(const char* label, int* map)
 {
-    int start, stop, delta, some;
+	int start, stop, delta, some;
 
-    some = 0;
-    for(start = 0; start + 2 < NRUNES; ) {
-        if(map[start] == start){
-            start++;
-            continue;
-        }
+	some = 0;
+	for(start = 0; start + 2 < NRUNES; ) {
+		if(map[start] == start){
+			start++;
+			continue;
+		}
 
-        delta = TO_DELTA(map[start], start);
-        if(delta != (Rune)delta)
-            fatal("bad map delta %d", delta);
-        for(stop = start + 2; stop < NRUNES; stop += 2){
-            if(TO_DELTA(map[stop], stop) != delta){
-                break;
-            }
-            map[stop] = stop;
-        }
-        if(stop != start + 2){
-            if(!some){
-                fprintf(out, "namespace {\n\n");
-                fprintf(out, "const char32_t to%sp[] = {\n", label);
-                some = 1;
-            }
-            map[start] = start;
-            fprintf(out, "    0x%.4x, 0x%.4x, %d,\n", start, stop - 2, delta);
-        }
+		delta = TO_DELTA(map[start], start);
+		if(delta != (Rune)delta)
+			fatal("bad map delta %d", delta);
+		for(stop = start + 2; stop < NRUNES; stop += 2){
+			if(TO_DELTA(map[stop], stop) != delta){
+				break;
+			}
+			map[stop] = stop;
+		}
+		if(stop != start + 2){
+			if(!some){
+				fprintf(out, "namespace {\n\n");
+				fprintf(out, "const char32_t to%sp[] = {\n", label);
+				some = 1;
+			}
+			map[start] = start;
+			fprintf(out, "\t0x%.4x, 0x%.4x, %d,\n", start, stop - 2, delta);
+		}
 
-        start = stop;
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
+		start = stop;
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
 
-    return some;
+	return some;
 }
 
 /*
@@ -516,31 +516,31 @@
 static int
 mktosingle(const char* label, int* map)
 {
-    int start, delta, some;
+	int start, delta, some;
 
-    some = 0;
-    for(start = 0; start < NRUNES; start++) {
-        if(map[start] == start){
-            continue;
-        }
+	some = 0;
+	for(start = 0; start < NRUNES; start++) {
+		if(map[start] == start){
+			continue;
+		}
 
-        delta = TO_DELTA(map[start], start);
-        if(delta != (Rune)delta)
-            fatal("bad map delta %d", delta);
-        if(!some){
-            fprintf(out, "namespace {\n\n");
-            fprintf(out, "const char32_t to%ss[] = {\n", label);
-            some = 1;
-        }
-        map[start] = start;
-        fprintf(out, "    0x%.4x, %d,\n", start, delta);
-    }
-    if(some) {
-        fprintf(out, "};\n\n");
-        fprintf(out, "} // !namespace\n\n");
-    }
+		delta = TO_DELTA(map[start], start);
+		if(delta != (Rune)delta)
+			fatal("bad map delta %d", delta);
+		if(!some){
+			fprintf(out, "namespace {\n\n");
+			fprintf(out, "const char32_t to%ss[] = {\n", label);
+			some = 1;
+		}
+		map[start] = start;
+		fprintf(out, "\t0x%.4x, %d,\n", start, delta);
+	}
+	if(some) {
+		fprintf(out, "};\n\n");
+		fprintf(out, "} // !namespace\n\n");
+	}
 
-    return some;
+	return some;
 }
 
 /*
@@ -549,193 +549,193 @@
 static void
 mkto(const char* label, int* map, int usepairs)
 {
-    int tor, top, tos;
+	int tor, top, tos;
 
-    tor = mktorange(label, map, 0);
-    top = 0;
-    if(usepairs)
-        top = mktopair(label, map);
-    tos = mktosingle(label, map);
+	tor = mktorange(label, map, 0);
+	top = 0;
+	if(usepairs)
+		top = mktopair(label, map);
+	tos = mktosingle(label, map);
 
-    fprintf(out,
-        "char32_t to%s(char32_t c) noexcept\n"
-        "{\n"
-        "    const char32_t* p;\n"
-        "\n",
-        label);
+	fprintf(out,
+		"auto to%s(char32_t c) noexcept -> char32_t\n"
+		"{\n"
+		"\tconst char32_t* p;\n"
+		"\n",
+		label);
 
-    if(tor)
-        fprintf(out,
-            "    p = rbsearch(c, to%sr, nelem (to%sr) / 3, 3);\n\n"
-            "    if (p && c >= p[0] && c <= p[1])\n"
-            "        return c + p[2] - %d;\n",
-            label, label, TO_OFFSET);
+	if(tor)
+		fprintf(out,
+			"\tp = search(c, to%sr, nelem (to%sr) / 3, 3);\n\n"
+			"\tif (p && c >= p[0] && c <= p[1])\n"
+			"\t\treturn c + p[2] - %d;\n",
+			label, label, TO_OFFSET);
 
-    if(top)
-        fprintf(out,
-            "\n"
-            "    p = rbsearch(c, to%sp, nelem (to%sp) / 3, 3);\n\n"
-            "    if (p && c >= p[0] && c <= p[1] && !((c - p[0]) & 1))\n"
-            "        return c + p[2] - %d;\n",
-            label, label, TO_OFFSET);
+	if(top)
+		fprintf(out,
+			"\n"
+			"\tp = search(c, to%sp, nelem (to%sp) / 3, 3);\n\n"
+			"\tif (p && c >= p[0] && c <= p[1] && !((c - p[0]) & 1))\n"
+			"\t\treturn c + p[2] - %d;\n",
+			label, label, TO_OFFSET);
 
-    if(tos)
-        fprintf(out,
-            "\n"
-            "    p = rbsearch(c, to%ss, nelem (to%ss) / 2, 2);\n\n"
-            "    if (p && c == p[0])\n"
-            "        return c + p[1] - %d;\n\n",
-            label, label, TO_OFFSET);
+	if(tos)
+		fprintf(out,
+			"\n"
+			"\tp = search(c, to%ss, nelem (to%ss) / 2, 2);\n\n"
+			"\tif (p && c == p[0])\n"
+			"\t\treturn c + p[1] - %d;\n\n",
+			label, label, TO_OFFSET);
 
-    fprintf(out,
-        "    return c;\n"
-        "}\n"
-        "\n"
-    );
+	fprintf(out,
+		"\treturn c;\n"
+		"}\n"
+		"\n"
+	);
 }
 
 // Make only range tables and a function for is<label>rune.
 static void
 mkisronly(const char* label, char* prop)
 {
-    mkisrange(label, prop, 1);
-    fprintf(out,
-        "bool is%s(char32_t c) noexcept\n"
-        "{\n"
-        "    const char32_t* p;\n"
-        "\n"
-        "    p = rbsearch(c, is%sr, nelem (is%sr) / 2, 2);\n\n"
-        "    if (p && c >= p[0] && c <= p[1])\n"
-        "        return true;\n\n"
-        "    return false;\n"
-        "}\n"
-        "\n",
-            label, label, label);
+	mkisrange(label, prop, 1);
+	fprintf(out,
+		"auto is%s(char32_t c) noexcept -> bool\n"
+		"{\n"
+		"\tconst char32_t* p;\n"
+		"\n"
+		"\tp = search(c, is%sr, nelem (is%sr) / 2, 2);\n\n"
+		"\tif (p && c >= p[0] && c <= p[1])\n"
+		"\t\treturn true;\n\n"
+		"\treturn false;\n"
+		"}\n"
+		"\n",
+			label, label, label);
 }
 
 /*
  * generate the body of runetype.
- * assumes there is a function Rune* rbsearch(Rune c, Rune *t, int n, int ne);
+ * assumes there is a function Rune* search(Rune c, Rune *t, int n, int ne);
  */
 static void
 mktables(char *src, int usepairs)
 {
-    /* Add nelem macro */
-    fprintf(out,
-        "#define nelem(x) (sizeof (x) / sizeof ((x)[0]))\n\n"
-    );
+	/* Add nelem macro */
+	fprintf(out,
+		"#define nelem(x) (sizeof (x) / sizeof ((x)[0]))\n\n"
+	);
 
-    /* Add the rbsearch function */
-    fprintf(out,
-        "namespace {\n\n"
-        "const char32_t *rbsearch(char32_t c, const char32_t* t, int n, int ne) noexcept\n"
-        "{\n"
-        "    const char32_t* p;\n"
-        "    int m;\n\n"
-        "    while (n > 1) {\n"
-        "        m = n >> 1;\n"
-        "        p = t + m * ne;\n\n"
-        "        if (c >= p[0]) {\n"
-        "            t = p;\n"
-        "            n = n - m;\n"
-        "        } else\n"
-        "            n = m;\n"
-        "    }\n\n"
-        "    if (n && c >= t[0])\n"
-        "        return t;\n\n"
-        "    return nullptr;\n"
-        "}\n\n"
-        "} // !namespace\n\n"
-    );
+	/* Add the search function */
+	fprintf(out,
+		"namespace {\n\n"
+		"auto search(char32_t c, const char32_t* t, int n, int ne) noexcept -> const char32_t*\n"
+		"{\n"
+		"\tconst char32_t* p;\n"
+		"\tint m;\n\n"
+		"\twhile (n > 1) {\n"
+		"\t\tm = n >> 1;\n"
+		"\t\tp = t + m * ne;\n\n"
+		"\t\tif (c >= p[0]) {\n"
+		"\t\t\tt = p;\n"
+		"\t\t\tn = n - m;\n"
+		"\t\t} else\n"
+		"\t\t\tn = m;\n"
+		"\t}\n\n"
+		"\tif (n && c >= t[0])\n"
+		"\t\treturn t;\n\n"
+		"\treturn nullptr;\n"
+		"}\n\n"
+		"} // !namespace\n\n"
+	);
 
-    /*
-     * we special case the space and digit tables, since they are assumed
-     * to be small with several ranges.
-     */
-    mkisronly("space", myisspace);
-    mkisronly("digit", myisdigit);
+	/*
+	 * we special case the space and digit tables, since they are assumed
+	 * to be small with several ranges.
+	 */
+	mkisronly("space", myisspace);
+	mkisronly("digit", myisdigit);
 
-    mkis("alpha", myisalpha, 0);
-    mkis("upper", myisupper, usepairs);
-    mkis("lower", myislower, usepairs);
-    mkis("title", myistitle, usepairs);
+	mkis("alpha", myisalpha, 0);
+	mkis("upper", myisupper, usepairs);
+	mkis("lower", myislower, usepairs);
+	mkis("title", myistitle, usepairs);
 
-    mkto("upper", mytoupper, usepairs);
-    mkto("lower", mytolower, usepairs);
-    mkto("title", mytotitle, usepairs);
+	mkto("upper", mytoupper, usepairs);
+	mkto("lower", mytolower, usepairs);
+	mkto("title", mytotitle, usepairs);
 }
 
 static int
 mygetfields(char **fields, int nfields, char *str, const char *delim)
 {
-    int nf;
+	int nf;
 
-    fields[0] = str;
-    nf = 1;
-    if(nf >= nfields)
-        return nf;
+	fields[0] = str;
+	nf = 1;
+	if(nf >= nfields)
+		return nf;
 
-    for(; *str; str++){
-        if(strchr(delim, *str) != NULL){
-            *str = '\0';
-            fields[nf++] = str + 1;
-            if(nf >= nfields)
-                break;
-        }
-    }
-    return nf;
+	for(; *str; str++){
+		if(strchr(delim, *str) != NULL){
+			*str = '\0';
+			fields[nf++] = str + 1;
+			if(nf >= nfields)
+				break;
+		}
+	}
+	return nf;
 }
 
 static int
 getunicodeline(FILE *in, char **fields, char *buf)
 {
-    char *p;
+	char *p;
 
-    if(fgets(buf, MAX_LINE, in) == NULL)
-        return 0;
+	if(fgets(buf, MAX_LINE, in) == NULL)
+		return 0;
 
-    p = strchr(buf, '\n');
-    if (p == NULL)
-        fatal("line too long");
-    *p = '\0';
+	p = strchr(buf, '\n');
+	if (p == NULL)
+		fatal("line too long");
+	*p = '\0';
 
-    if (mygetfields(fields, NFIELDS + 1, buf, ";") != NFIELDS)
-        fatal("bad number of fields");
+	if (mygetfields(fields, NFIELDS + 1, buf, ";") != NFIELDS)
+		fatal("bad number of fields");
 
-    return 1;
+	return 1;
 }
 
 static int
 getcode(char *s)
 {
-    int i, code;
+	int i, code;
 
-    code = 0;
-    i = 0;
-    /* Parse a hex number */
-    while(s[i]) {
-        code <<= 4;
-        if(s[i] >= '0' && s[i] <= '9')
-            code += s[i] - '0';
-        else if(s[i] >= 'A' && s[i] <= 'F')
-            code += s[i] - 'A' + 10;
-        else
-            fatal("bad code char '%c'", s[i]);
-        i++;
-    }
-    return code;
+	code = 0;
+	i = 0;
+	/* Parse a hex number */
+	while(s[i]) {
+		code <<= 4;
+		if(s[i] >= '0' && s[i] <= '9')
+			code += s[i] - '0';
+		else if(s[i] >= 'A' && s[i] <= 'F')
+			code += s[i] - 'A' + 10;
+		else
+			fatal("bad code char '%c'", s[i]);
+		i++;
+	}
+	return code;
 }
 
 static void
 fatal(const char *fmt, ...)
 {
-    va_list arg;
+	va_list arg;
 
-    fprintf(stderr, "mkunicode: fatal error: ");
-    va_start(arg, fmt);
-    vfprintf(stderr, fmt, arg);
-    va_end(arg);
-    fprintf(stderr, "\n");
+	fprintf(stderr, "mkunicode: fatal error: ");
+	va_start(arg, fmt);
+	vfprintf(stderr, fmt, arg);
+	va_end(arg);
+	fprintf(stderr, "\n");
 
-    exit(1);
+	exit(1);
 }
--- a/generator/make-unicode/src/utf.h	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/make-unicode/src/utf.h	Fri Oct 19 13:31:36 2018 +0200
@@ -18,13 +18,12 @@
 
 typedef unsigned int Rune;  /* Code-point values in Unicode 4.0 are 21 bits wide.*/
 
-enum
-{
-  UTFmax    = 4,        /* maximum bytes per rune */
-  Runesync  = 0x80,     /* cannot represent part of a UTF sequence (<) */
-  Runeself  = 0x80,     /* rune and UTF sequences are the same (<) */
-  Runeerror = 0xFFFD,   /* decoding error in UTF */
-  Runemax   = 0x10FFFF, /* maximum rune value */
+enum {
+        UTFmax    = 4,        /* maximum bytes per rune */
+        Runesync  = 0x80,     /* cannot represent part of a UTF sequence (<) */
+        Runeself  = 0x80,     /* rune and UTF sequences are the same (<) */
+        Runeerror = 0xFFFD,   /* decoding error in UTF */
+        Runemax   = 0x10FFFF, /* maximum rune value */
 };
 
 #ifdef  __cplusplus
@@ -237,4 +236,4 @@
 }
 #endif
 
-#endif
\ No newline at end of file
+#endif
--- a/generator/make-unicode/unicode-after.cpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/make-unicode/unicode-after.cpp	Fri Oct 19 13:31:36 2018 +0200
@@ -1,172 +1,172 @@
 void encode(char32_t c, char res[5]) noexcept
 {
-    switch (nbytes_point(c)) {
-    case 1:
-        res[0] = static_cast<char>(c);
-        res[1] = '\0';
-        break;
-    case 2:
-        res[0] = 0xC0 | ((c >> 6)  & 0x1F);
-        res[1] = 0x80 | (c & 0x3F);
-        res[2] = '\0';
-        break;
-    case 3:
-        res[0] = 0xE0 | ((c >> 12) & 0xF );
-        res[1] = 0x80 | ((c >> 6)  & 0x3F);
-        res[2] = 0x80 | (c & 0x3F);
-        res[3] = '\0';
-        break;
-    case 4:
-        res[0] = 0xF0 | ((c >> 18) & 0x7 );
-        res[1] = 0x80 | ((c >> 12) & 0x3F);
-        res[2] = 0x80 | ((c >> 6)  & 0x3F);
-        res[3] = 0x80 | (c & 0x3F);
-        res[4] = '\0';
-        break;
-    default:
-        break;
-    }
+	switch (nbytes_point(c)) {
+	case 1:
+		res[0] = static_cast<char>(c);
+		res[1] = '\0';
+		break;
+	case 2:
+		res[0] = 0xC0 | ((c >> 6)  & 0x1F);
+		res[1] = 0x80 | (c & 0x3F);
+		res[2] = '\0';
+		break;
+	case 3:
+		res[0] = 0xE0 | ((c >> 12) & 0xF );
+		res[1] = 0x80 | ((c >> 6)  & 0x3F);
+		res[2] = 0x80 | (c & 0x3F);
+		res[3] = '\0';
+		break;
+	case 4:
+		res[0] = 0xF0 | ((c >> 18) & 0x7 );
+		res[1] = 0x80 | ((c >> 12) & 0x3F);
+		res[2] = 0x80 | ((c >> 6)  & 0x3F);
+		res[3] = 0x80 | (c & 0x3F);
+		res[4] = '\0';
+		break;
+	default:
+		break;
+	}
 }
 
 void decode(char32_t& c, const char* res) noexcept
 {
-    c = 0;
+	c = 0;
 
-    switch (nbytes_utf8(res[0])) {
-    case 1:
-        c = res[0];
-        break;
-    case 2:
-        c =  (res[0] & 0x1f) << 6;
-        c |= (res[1] & 0x3f);
-        break;
-    case 3:
-        c =  (res[0] & 0x0f) << 12;
-        c |= (res[1] & 0x3f) << 6;
-        c |= (res[2] & 0x3f);
-        break;
-    case 4:
-        c =  (res[0] & 0x07) << 16;
-        c |= (res[1] & 0x3f) << 12;
-        c |= (res[2] & 0x3f) << 6;
-        c |= (res[3] & 0x3f);
-    default:
-        break;
-    }
+	switch (nbytes_utf8(res[0])) {
+	case 1:
+		c = res[0];
+		break;
+	case 2:
+		c =  (res[0] & 0x1f) << 6;
+		c |= (res[1] & 0x3f);
+		break;
+	case 3:
+		c =  (res[0] & 0x0f) << 12;
+		c |= (res[1] & 0x3f) << 6;
+		c |= (res[2] & 0x3f);
+		break;
+	case 4:
+		c =  (res[0] & 0x07) << 16;
+		c |= (res[1] & 0x3f) << 12;
+		c |= (res[2] & 0x3f) << 6;
+		c |= (res[3] & 0x3f);
+	default:
+		break;
+	}
 }
 
 auto nbytes_utf8(char c) noexcept -> int
 {
-    if (static_cast<unsigned char>(c) <= 127)
-        return 1;
-    if ((c & 0xE0) == 0xC0)
-        return 2;
-    if ((c & 0xF0) == 0xE0)
-        return 3;
-    if ((c & 0xF8) == 0xF0)
-        return 4;
+	if (static_cast<unsigned char>(c) <= 127)
+		return 1;
+	if ((c & 0xE0) == 0xC0)
+		return 2;
+	if ((c & 0xF0) == 0xE0)
+		return 3;
+	if ((c & 0xF8) == 0xF0)
+		return 4;
 
-    return -1;
+	return -1;
 }
 
 auto nbytes_point(char32_t c) noexcept -> int
 {
-    if (c <= 0x7F)
-        return 1;
-    if (c <= 0x7FF)
-        return 2;
-    if (c <= 0xFFFF)
-        return 3;
-    if (c <= 0x1FFFFF)
-        return 4;
+	if (c <= 0x7F)
+		return 1;
+	if (c <= 0x7FF)
+		return 2;
+	if (c <= 0xFFFF)
+		return 3;
+	if (c <= 0x1FFFFF)
+		return 4;
 
-    return -1;
+	return -1;
 }
 
 auto length(std::string_view str) -> unsigned
 {
-    unsigned total = 0;
+	unsigned total = 0;
 
-    for_each(str, [&] (auto) {
-        ++ total;
-    });
+	for_each(str, [&] (auto) {
+		++ total;
+	});
 
-    return total;
+	return total;
 }
 
 auto to_utf8(std::u32string_view array) -> std::string
 {
-    std::string res;
+	std::string res;
 
-    for (size_t i = 0; i < array.size(); ++i) {
-        char tmp[5];
-        int size = nbytes_point(array[i]);
+	for (size_t i = 0; i < array.size(); ++i) {
+		char tmp[5];
+		int size = nbytes_point(array[i]);
 
-        if (size < 0)
-            throw std::invalid_argument("invalid sequence");
+		if (size < 0)
+			throw std::invalid_argument("invalid sequence");
 
-        encode(array[i], tmp);
-        res.insert(res.length(), tmp);
-    }
+		encode(array[i], tmp);
+		res.insert(res.length(), tmp);
+	}
 
-    return res;
+	return res;
 }
 
 auto to_utf32(std::string_view str) -> std::u32string
 {
-    std::u32string res;
+	std::u32string res;
 
-    for_each(str, [&] (char32_t code) {
-        res.push_back(code);
-    });
+	for_each(str, [&] (char32_t code) {
+		res.push_back(code);
+	});
 
-    return res;
+	return res;
 }
 
 auto toupper(std::u32string_view str) -> std::u32string
 {
-    std::u32string res(str);
+	std::u32string res(str);
 
-    for (size_t i = 0; i < str.size(); ++i)
-        res[i] = toupper(str[i]);
+	for (size_t i = 0; i < str.size(); ++i)
+		res[i] = toupper(str[i]);
 
-    return res;
+	return res;
 }
 
 auto toupper(std::string_view str) -> std::string
 {
-    std::string res;
-    char buffer[5];
+	std::string res;
+	char buffer[5];
 
-    for_each(str, [&] (auto code) {
-        encode(toupper(code), buffer);
-        res += buffer;
-    });
+	for_each(str, [&] (auto code) {
+		encode(toupper(code), buffer);
+		res += buffer;
+	});
 
-    return res;
+	return res;
 }
 
 auto tolower(std::u32string_view str) -> std::u32string
 {
-    std::u32string ret(str);
+	std::u32string ret(str);
 
-    for (size_t i = 0; i < str.size(); ++i)
-        ret[i] = tolower(str[i]);
+	for (size_t i = 0; i < str.size(); ++i)
+		ret[i] = tolower(str[i]);
 
-    return ret;
+	return ret;
 }
 
 auto tolower(std::string_view str) -> std::string
 {
-    std::string res;
-    char buffer[5];
+	std::string res;
+	char buffer[5];
 
-    for_each(str, [&] (auto code) {
-        encode(tolower(code), buffer);
-        res += buffer;
-    });
+	for_each(str, [&] (auto code) {
+		encode(tolower(code), buffer);
+		res += buffer;
+	});
 
-    return res;
+	return res;
 }
 
 } // !unicode
--- a/generator/make-unicode/unicode.hpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/generator/make-unicode/unicode.hpp	Fri Oct 19 13:31:36 2018 +0200
@@ -93,18 +93,18 @@
 template <typename Func>
 void for_each(std::string_view str, Func function)
 {
-    for (size_t i = 0; i < str.size(); ) {
-        char32_t point = 0;
-        int size = nbytes_utf8(str[i]);
+	for (size_t i = 0; i < str.size(); ) {
+		char32_t point = 0;
+		int size = nbytes_utf8(str[i]);
 
-        if (size < 0)
-            throw std::invalid_argument("invalid sequence");
+		if (size < 0)
+			throw std::invalid_argument("invalid sequence");
 
-        decode(point, str.data() + i);
-        function(point);
+		decode(point, str.data() + i);
+		function(point);
 
-        i += size;
-    }
+		i += size;
+	}
 }
 
 /**
--- a/test/main.cpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/test/main.cpp	Fri Oct 19 13:31:36 2018 +0200
@@ -27,13 +27,11 @@
 
 namespace {
 
-bool equals(const std::u32string& s1, const std::u32string& s2)
+auto equals(const std::u32string& s1, const std::u32string& s2) -> bool
 {
-    return s1 == s2;
+	return s1 == s2;
 }
 
-} // !namespace
-
 /*
  * Conversion UTF32 -> UTF8
  * ------------------------------------------------------------------
@@ -43,26 +41,26 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::u32string u32{'a', 'b', 'c'};
-    std::string s = unicode::to_utf8(u32);
+	std::u32string u32{'a', 'b', 'c'};
+	std::string s = unicode::to_utf8(u32);
 
-    BOOST_TEST(s == "abc");
+	BOOST_TEST(s == "abc");
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::u32string u32{'a', U'é', 'c', U'𠀀'};
-    std::string s = unicode::to_utf8(u32);
-    std::string expected = u8"aéc𠀀";
+	std::u32string u32{'a', U'é', 'c', U'𠀀'};
+	std::string s = unicode::to_utf8(u32);
+	std::string expected = u8"aéc𠀀";
 
-    BOOST_TEST(s == expected);
+	BOOST_TEST(s == expected);
 }
 
 BOOST_AUTO_TEST_CASE(invalid)
 {
-    std::u32string u32{'a', 0xFFFFFFFF, 'c'};
+	std::u32string u32{'a', 0xFFFFFFFF, 'c'};
 
-    BOOST_REQUIRE_THROW(unicode::to_utf8(u32), std::exception);
+	BOOST_REQUIRE_THROW(unicode::to_utf8(u32), std::exception);
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -76,20 +74,20 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::string s{"abc"};
-    std::u32string expected{'a', 'b', 'c'};
-    std::u32string result = unicode::to_utf32(s);
+	std::string s{"abc"};
+	std::u32string expected{'a', 'b', 'c'};
+	std::u32string result = unicode::to_utf32(s);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::string s{u8"aéc𠀀"};
-    std::u32string expected{'a', U'é', 'c', U'𠀀'};
-    std::u32string result = unicode::to_utf32(s);
+	std::string s{u8"aéc𠀀"};
+	std::u32string expected{'a', U'é', 'c', U'𠀀'};
+	std::u32string result = unicode::to_utf32(s);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -103,29 +101,29 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::u32string u32{'a', 'b', 'c'};
-    std::u32string expected{'A', 'B', 'C'};
-    std::u32string result = unicode::toupper(u32);
+	std::u32string u32{'a', 'b', 'c'};
+	std::u32string expected{'A', 'B', 'C'};
+	std::u32string result = unicode::toupper(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::u32string u32{U'ä', U'ç', U'ë'};
-    std::u32string expected{U'Ä', U'Ç', U'Ë'};
-    std::u32string result = unicode::toupper(u32);
+	std::u32string u32{U'ä', U'ç', U'ë'};
+	std::u32string expected{U'Ä', U'Ç', U'Ë'};
+	std::u32string result = unicode::toupper(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_CASE(invalid)
 {
-    std::u32string u32{'a', 0xFFFFFFFF, 'b'};
-    std::u32string expected{'A', 0xFFFFFFFF, 'B'};
-    std::u32string result = unicode::toupper(u32);
+	std::u32string u32{'a', 0xFFFFFFFF, 'b'};
+	std::u32string expected{'A', 0xFFFFFFFF, 'B'};
+	std::u32string result = unicode::toupper(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -139,29 +137,29 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::u32string u32{'A', 'B', 'C'};
-    std::u32string expected{'a', 'b', 'c'};
-    std::u32string result = unicode::tolower(u32);
+	std::u32string u32{'A', 'B', 'C'};
+	std::u32string expected{'a', 'b', 'c'};
+	std::u32string result = unicode::tolower(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::u32string u32{U'Ä', U'Ç', U'Ë'};
-    std::u32string expected{U'ä', U'ç', U'ë'};
-    std::u32string result = unicode::tolower(u32);
+	std::u32string u32{U'Ä', U'Ç', U'Ë'};
+	std::u32string expected{U'ä', U'ç', U'ë'};
+	std::u32string result = unicode::tolower(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_CASE(invalid)
 {
-    std::u32string u32{'A', 0xFFFFFFFF, 'B'};
-    std::u32string expected{'a', 0xFFFFFFFF, 'b'};
-    std::u32string result = unicode::tolower(u32);
+	std::u32string u32{'A', 0xFFFFFFFF, 'B'};
+	std::u32string expected{'a', 0xFFFFFFFF, 'b'};
+	std::u32string result = unicode::tolower(u32);
 
-    BOOST_TEST(equals(result, expected));
+	BOOST_TEST(equals(result, expected));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -175,25 +173,25 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::string s{"abc"};
-    std::string r = unicode::toupper(s);
+	std::string s{"abc"};
+	std::string r = unicode::toupper(s);
 
-    BOOST_TEST(r == "ABC");
+	BOOST_TEST(r == "ABC");
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::string s{u8"aéc"};
-    std::string r = unicode::toupper(s);
+	std::string s{u8"aéc"};
+	std::string r = unicode::toupper(s);
 
-    BOOST_TEST(r == u8"AÉC");
+	BOOST_TEST(r == u8"AÉC");
 }
 
 BOOST_AUTO_TEST_CASE(invalid)
 {
-    std::string s{"a" "\xFF""b"};
+	std::string s{"a" "\xFF""b"};
 
-    BOOST_REQUIRE_THROW(unicode::toupper(s), std::exception);
+	BOOST_REQUIRE_THROW(unicode::toupper(s), std::exception);
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -207,25 +205,25 @@
 
 BOOST_AUTO_TEST_CASE(ascii)
 {
-    std::string s{"ABC"};
-    std::string r = unicode::tolower(s);
+	std::string s{"ABC"};
+	std::string r = unicode::tolower(s);
 
-    BOOST_TEST(r == "abc");
+	BOOST_TEST(r == "abc");
 }
 
 BOOST_AUTO_TEST_CASE(valid)
 {
-    std::string s{u8"AÉC"};
-    std::string r = unicode::tolower(s);
+	std::string s{u8"AÉC"};
+	std::string r = unicode::tolower(s);
 
-    BOOST_TEST(r == u8"aéc");
+	BOOST_TEST(r == u8"aéc");
 }
 
 BOOST_AUTO_TEST_CASE(invalid)
 {
-    std::string s{"A" "\xFF""B"};
+	std::string s{"A" "\xFF""B"};
 
-    BOOST_REQUIRE_THROW(unicode::tolower(s), std::exception);
+	BOOST_REQUIRE_THROW(unicode::tolower(s), std::exception);
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -239,30 +237,30 @@
 
 BOOST_AUTO_TEST_CASE(isspace)
 {
-    BOOST_TEST(unicode::isspace(' '));
-    BOOST_TEST(!unicode::isspace(/* é */ 233));
+	BOOST_TEST(unicode::isspace(' '));
+	BOOST_TEST(!unicode::isspace(/* é */ 233));
 }
 
 BOOST_AUTO_TEST_CASE(isalpha)
 {
-    BOOST_TEST(unicode::isalpha(U'é'));
-    BOOST_TEST(!unicode::isalpha(U'€'));
+	BOOST_TEST(unicode::isalpha(U'é'));
+	BOOST_TEST(!unicode::isalpha(U'€'));
 }
 
 BOOST_AUTO_TEST_CASE(isupper)
 {
-    BOOST_TEST(!unicode::isupper('a'));
-    BOOST_TEST(!unicode::isupper(U'é'));
-    BOOST_TEST(unicode::isupper('A'));
-    BOOST_TEST(unicode::isupper(U'É'));
+	BOOST_TEST(!unicode::isupper('a'));
+	BOOST_TEST(!unicode::isupper(U'é'));
+	BOOST_TEST(unicode::isupper('A'));
+	BOOST_TEST(unicode::isupper(U'É'));
 }
 
 BOOST_AUTO_TEST_CASE(islower)
 {
-    BOOST_TEST(unicode::islower('a'));
-    BOOST_TEST(unicode::islower(U'é'));
-    BOOST_TEST(!unicode::islower('A'));
-    BOOST_TEST(!unicode::islower(U'É'));
+	BOOST_TEST(unicode::islower('a'));
+	BOOST_TEST(unicode::islower(U'é'));
+	BOOST_TEST(!unicode::islower('A'));
+	BOOST_TEST(!unicode::islower(U'É'));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
@@ -276,51 +274,54 @@
 
 BOOST_AUTO_TEST_CASE(nbytes_point)
 {
-    BOOST_TEST(unicode::nbytes_point('a') == 1);
-    BOOST_TEST(unicode::nbytes_point(U'é') == 2);
-    BOOST_TEST(unicode::nbytes_point(U'€') == 3);
-    BOOST_TEST(unicode::nbytes_point(U'𠀀') == 4);
+	BOOST_TEST(unicode::nbytes_point('a') == 1);
+	BOOST_TEST(unicode::nbytes_point(U'é') == 2);
+	BOOST_TEST(unicode::nbytes_point(U'€') == 3);
+	BOOST_TEST(unicode::nbytes_point(U'𠀀') == 4);
 }
 
 BOOST_AUTO_TEST_CASE(nbytes_utf8)
 {
-    std::string s1{u8"a"};
-    std::string s2{u8"é"};
-    std::string s3{u8"€"};
-    std::string s4{u8"𠀀"};
+	std::string s1{u8"a"};
+	std::string s2{u8"é"};
+	std::string s3{u8"€"};
+	std::string s4{u8"𠀀"};
 
-    BOOST_TEST(unicode::nbytes_utf8(s1[0]) == 1);
-    BOOST_TEST(unicode::nbytes_utf8(s2[0]) == 2);
-    BOOST_TEST(unicode::nbytes_utf8(s3[0]) == 3);
-    BOOST_TEST(unicode::nbytes_utf8(s4[0]) == 4);
+	BOOST_TEST(unicode::nbytes_utf8(s1[0]) == 1);
+	BOOST_TEST(unicode::nbytes_utf8(s2[0]) == 2);
+	BOOST_TEST(unicode::nbytes_utf8(s3[0]) == 3);
+	BOOST_TEST(unicode::nbytes_utf8(s4[0]) == 4);
 }
 
 BOOST_AUTO_TEST_CASE(for_each)
 {
-    std::string s{u8"aé€𠀀"};
-    int current = 0;
+	std::string s{u8"aé€𠀀"};
+	int current = 0;
 
-    unicode::for_each(s, [&] (char32_t code) {
-        if (current == 0)
-            BOOST_TEST(code == U'a');
-        else if (current == 1)
-            BOOST_TEST(code == U'é');
-        else if (current == 2)
-            BOOST_TEST(code == U'€');
-        else if (current == 3)
-            BOOST_TEST(code == U'𠀀');
+	unicode::for_each(s, [&] (char32_t code) {
+		if (current == 0)
+			BOOST_TEST(code == U'a');
+		else if (current == 1)
+			BOOST_TEST(code == U'é');
+		else if (current == 2)
+			BOOST_TEST(code == U'€');
+		else if (current == 3)
+			BOOST_TEST(code == U'𠀀');
 
-        current++;
-    });
+		current++;
+	});
 
-    BOOST_TEST(current = 4);
+	BOOST_TEST(current = 4);
 }
 
 BOOST_AUTO_TEST_CASE(for_each_invalid)
 {
-    std::string s{"a" "\xFF" "b"};
+	std::string s{"a" "\xFF" "b"};
 
-    BOOST_REQUIRE_THROW(unicode::for_each(s, [&] (char32_t) { }), std::exception);
+	BOOST_REQUIRE_THROW(unicode::for_each(s, [&] (char32_t) { }), std::exception);
 }
 
 BOOST_AUTO_TEST_SUITE_END()
+
+} // !namespace
+
--- a/unicode.cpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/unicode.cpp	Fri Oct 19 13:31:36 2018 +0200
@@ -29,26 +29,26 @@
 
 namespace {
 
-const char32_t *rbsearch(char32_t c, const char32_t* t, int n, int ne) noexcept
+auto search(char32_t c, const char32_t* t, int n, int ne) noexcept -> const char32_t*
 {
-    const char32_t* p;
-    int m;
+	const char32_t* p;
+	int m;
 
-    while (n > 1) {
-        m = n >> 1;
-        p = t + m * ne;
+	while (n > 1) {
+		m = n >> 1;
+		p = t + m * ne;
 
-        if (c >= p[0]) {
-            t = p;
-            n = n - m;
-        } else
-            n = m;
-    }
+		if (c >= p[0]) {
+			t = p;
+			n = n - m;
+		} else
+			n = m;
+	}
 
-    if (n && c >= t[0])
-        return t;
+	if (n && c >= t[0])
+		return t;
 
-    return nullptr;
+	return nullptr;
 }
 
 } // !namespace
@@ -56,533 +56,533 @@
 namespace {
 
 const char32_t isspacer[] = {
-    0x0009, 0x000d,
-    0x0020, 0x0020,
-    0x0085, 0x0085,
-    0x00a0, 0x00a0,
-    0x1680, 0x1680,
-    0x2000, 0x200a,
-    0x2028, 0x2029,
-    0x202f, 0x202f,
-    0x205f, 0x205f,
-    0x3000, 0x3000,
-    0xfeff, 0xfeff,
+	0x0009, 0x000d,
+	0x0020, 0x0020,
+	0x0085, 0x0085,
+	0x00a0, 0x00a0,
+	0x1680, 0x1680,
+	0x2000, 0x200a,
+	0x2028, 0x2029,
+	0x202f, 0x202f,
+	0x205f, 0x205f,
+	0x3000, 0x3000,
+	0xfeff, 0xfeff,
 };
 
 } // !namespace
 
-bool isspace(char32_t c) noexcept
+auto isspace(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, isspacer, nelem (isspacer) / 2, 2);
+	p = search(c, isspacer, nelem (isspacer) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t isdigitr[] = {
-    0x0030, 0x0039,
-    0x0660, 0x0669,
-    0x06f0, 0x06f9,
-    0x07c0, 0x07c9,
-    0x0966, 0x096f,
-    0x09e6, 0x09ef,
-    0x0a66, 0x0a6f,
-    0x0ae6, 0x0aef,
-    0x0b66, 0x0b6f,
-    0x0be6, 0x0bef,
-    0x0c66, 0x0c6f,
-    0x0ce6, 0x0cef,
-    0x0d66, 0x0d6f,
-    0x0de6, 0x0def,
-    0x0e50, 0x0e59,
-    0x0ed0, 0x0ed9,
-    0x0f20, 0x0f29,
-    0x1040, 0x1049,
-    0x1090, 0x1099,
-    0x17e0, 0x17e9,
-    0x1810, 0x1819,
-    0x1946, 0x194f,
-    0x19d0, 0x19d9,
-    0x1a80, 0x1a89,
-    0x1a90, 0x1a99,
-    0x1b50, 0x1b59,
-    0x1bb0, 0x1bb9,
-    0x1c40, 0x1c49,
-    0x1c50, 0x1c59,
-    0xa620, 0xa629,
-    0xa8d0, 0xa8d9,
-    0xa900, 0xa909,
-    0xa9d0, 0xa9d9,
-    0xa9f0, 0xa9f9,
-    0xaa50, 0xaa59,
-    0xabf0, 0xabf9,
-    0xff10, 0xff19,
-    0x104a0, 0x104a9,
-    0x11066, 0x1106f,
-    0x110f0, 0x110f9,
-    0x11136, 0x1113f,
-    0x111d0, 0x111d9,
-    0x112f0, 0x112f9,
-    0x114d0, 0x114d9,
-    0x11650, 0x11659,
-    0x116c0, 0x116c9,
-    0x118e0, 0x118e9,
-    0x16a60, 0x16a69,
-    0x16b50, 0x16b59,
-    0x1d7ce, 0x1d7ff,
+	0x0030, 0x0039,
+	0x0660, 0x0669,
+	0x06f0, 0x06f9,
+	0x07c0, 0x07c9,
+	0x0966, 0x096f,
+	0x09e6, 0x09ef,
+	0x0a66, 0x0a6f,
+	0x0ae6, 0x0aef,
+	0x0b66, 0x0b6f,
+	0x0be6, 0x0bef,
+	0x0c66, 0x0c6f,
+	0x0ce6, 0x0cef,
+	0x0d66, 0x0d6f,
+	0x0de6, 0x0def,
+	0x0e50, 0x0e59,
+	0x0ed0, 0x0ed9,
+	0x0f20, 0x0f29,
+	0x1040, 0x1049,
+	0x1090, 0x1099,
+	0x17e0, 0x17e9,
+	0x1810, 0x1819,
+	0x1946, 0x194f,
+	0x19d0, 0x19d9,
+	0x1a80, 0x1a89,
+	0x1a90, 0x1a99,
+	0x1b50, 0x1b59,
+	0x1bb0, 0x1bb9,
+	0x1c40, 0x1c49,
+	0x1c50, 0x1c59,
+	0xa620, 0xa629,
+	0xa8d0, 0xa8d9,
+	0xa900, 0xa909,
+	0xa9d0, 0xa9d9,
+	0xa9f0, 0xa9f9,
+	0xaa50, 0xaa59,
+	0xabf0, 0xabf9,
+	0xff10, 0xff19,
+	0x104a0, 0x104a9,
+	0x11066, 0x1106f,
+	0x110f0, 0x110f9,
+	0x11136, 0x1113f,
+	0x111d0, 0x111d9,
+	0x112f0, 0x112f9,
+	0x114d0, 0x114d9,
+	0x11650, 0x11659,
+	0x116c0, 0x116c9,
+	0x118e0, 0x118e9,
+	0x16a60, 0x16a69,
+	0x16b50, 0x16b59,
+	0x1d7ce, 0x1d7ff,
 };
 
 } // !namespace
 
-bool isdigit(char32_t c) noexcept
+auto isdigit(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, isdigitr, nelem (isdigitr) / 2, 2);
+	p = search(c, isdigitr, nelem (isdigitr) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t isalphar[] = {
-    0x0041, 0x005a,
-    0x0061, 0x007a,
-    0x00c0, 0x00d6,
-    0x00d8, 0x00f6,
-    0x00f8, 0x02c1,
-    0x02c6, 0x02d1,
-    0x02e0, 0x02e4,
-    0x0370, 0x0374,
-    0x0376, 0x0377,
-    0x037a, 0x037d,
-    0x0388, 0x038a,
-    0x038e, 0x03a1,
-    0x03a3, 0x03f5,
-    0x03f7, 0x0481,
-    0x048a, 0x052f,
-    0x0531, 0x0556,
-    0x0561, 0x0587,
-    0x05d0, 0x05ea,
-    0x05f0, 0x05f2,
-    0x0620, 0x064a,
-    0x066e, 0x066f,
-    0x0671, 0x06d3,
-    0x06e5, 0x06e6,
-    0x06ee, 0x06ef,
-    0x06fa, 0x06fc,
-    0x0712, 0x072f,
-    0x074d, 0x07a5,
-    0x07ca, 0x07ea,
-    0x07f4, 0x07f5,
-    0x0800, 0x0815,
-    0x0840, 0x0858,
-    0x08a0, 0x08b2,
-    0x0904, 0x0939,
-    0x0958, 0x0961,
-    0x0971, 0x0980,
-    0x0985, 0x098c,
-    0x098f, 0x0990,
-    0x0993, 0x09a8,
-    0x09aa, 0x09b0,
-    0x09b6, 0x09b9,
-    0x09dc, 0x09dd,
-    0x09df, 0x09e1,
-    0x09f0, 0x09f1,
-    0x0a05, 0x0a0a,
-    0x0a0f, 0x0a10,
-    0x0a13, 0x0a28,
-    0x0a2a, 0x0a30,
-    0x0a32, 0x0a33,
-    0x0a35, 0x0a36,
-    0x0a38, 0x0a39,
-    0x0a59, 0x0a5c,
-    0x0a72, 0x0a74,
-    0x0a85, 0x0a8d,
-    0x0a8f, 0x0a91,
-    0x0a93, 0x0aa8,
-    0x0aaa, 0x0ab0,
-    0x0ab2, 0x0ab3,
-    0x0ab5, 0x0ab9,
-    0x0ae0, 0x0ae1,
-    0x0b05, 0x0b0c,
-    0x0b0f, 0x0b10,
-    0x0b13, 0x0b28,
-    0x0b2a, 0x0b30,
-    0x0b32, 0x0b33,
-    0x0b35, 0x0b39,
-    0x0b5c, 0x0b5d,
-    0x0b5f, 0x0b61,
-    0x0b85, 0x0b8a,
-    0x0b8e, 0x0b90,
-    0x0b92, 0x0b95,
-    0x0b99, 0x0b9a,
-    0x0b9e, 0x0b9f,
-    0x0ba3, 0x0ba4,
-    0x0ba8, 0x0baa,
-    0x0bae, 0x0bb9,
-    0x0c05, 0x0c0c,
-    0x0c0e, 0x0c10,
-    0x0c12, 0x0c28,
-    0x0c2a, 0x0c39,
-    0x0c58, 0x0c59,
-    0x0c60, 0x0c61,
-    0x0c85, 0x0c8c,
-    0x0c8e, 0x0c90,
-    0x0c92, 0x0ca8,
-    0x0caa, 0x0cb3,
-    0x0cb5, 0x0cb9,
-    0x0ce0, 0x0ce1,
-    0x0cf1, 0x0cf2,
-    0x0d05, 0x0d0c,
-    0x0d0e, 0x0d10,
-    0x0d12, 0x0d3a,
-    0x0d60, 0x0d61,
-    0x0d7a, 0x0d7f,
-    0x0d85, 0x0d96,
-    0x0d9a, 0x0db1,
-    0x0db3, 0x0dbb,
-    0x0dc0, 0x0dc6,
-    0x0e01, 0x0e30,
-    0x0e32, 0x0e33,
-    0x0e40, 0x0e46,
-    0x0e81, 0x0e82,
-    0x0e87, 0x0e88,
-    0x0e94, 0x0e97,
-    0x0e99, 0x0e9f,
-    0x0ea1, 0x0ea3,
-    0x0eaa, 0x0eab,
-    0x0ead, 0x0eb0,
-    0x0eb2, 0x0eb3,
-    0x0ec0, 0x0ec4,
-    0x0edc, 0x0edf,
-    0x0f40, 0x0f47,
-    0x0f49, 0x0f6c,
-    0x0f88, 0x0f8c,
-    0x1000, 0x102a,
-    0x1050, 0x1055,
-    0x105a, 0x105d,
-    0x1065, 0x1066,
-    0x106e, 0x1070,
-    0x1075, 0x1081,
-    0x10a0, 0x10c5,
-    0x10d0, 0x10fa,
-    0x10fc, 0x1248,
-    0x124a, 0x124d,
-    0x1250, 0x1256,
-    0x125a, 0x125d,
-    0x1260, 0x1288,
-    0x128a, 0x128d,
-    0x1290, 0x12b0,
-    0x12b2, 0x12b5,
-    0x12b8, 0x12be,
-    0x12c2, 0x12c5,
-    0x12c8, 0x12d6,
-    0x12d8, 0x1310,
-    0x1312, 0x1315,
-    0x1318, 0x135a,
-    0x1380, 0x138f,
-    0x13a0, 0x13f4,
-    0x1401, 0x166c,
-    0x166f, 0x167f,
-    0x1681, 0x169a,
-    0x16a0, 0x16ea,
-    0x16f1, 0x16f8,
-    0x1700, 0x170c,
-    0x170e, 0x1711,
-    0x1720, 0x1731,
-    0x1740, 0x1751,
-    0x1760, 0x176c,
-    0x176e, 0x1770,
-    0x1780, 0x17b3,
-    0x1820, 0x1877,
-    0x1880, 0x18a8,
-    0x18b0, 0x18f5,
-    0x1900, 0x191e,
-    0x1950, 0x196d,
-    0x1970, 0x1974,
-    0x1980, 0x19ab,
-    0x19c1, 0x19c7,
-    0x1a00, 0x1a16,
-    0x1a20, 0x1a54,
-    0x1b05, 0x1b33,
-    0x1b45, 0x1b4b,
-    0x1b83, 0x1ba0,
-    0x1bae, 0x1baf,
-    0x1bba, 0x1be5,
-    0x1c00, 0x1c23,
-    0x1c4d, 0x1c4f,
-    0x1c5a, 0x1c7d,
-    0x1ce9, 0x1cec,
-    0x1cee, 0x1cf1,
-    0x1cf5, 0x1cf6,
-    0x1d00, 0x1dbf,
-    0x1e00, 0x1f15,
-    0x1f18, 0x1f1d,
-    0x1f20, 0x1f45,
-    0x1f48, 0x1f4d,
-    0x1f50, 0x1f57,
-    0x1f5f, 0x1f7d,
-    0x1f80, 0x1fb4,
-    0x1fb6, 0x1fbc,
-    0x1fc2, 0x1fc4,
-    0x1fc6, 0x1fcc,
-    0x1fd0, 0x1fd3,
-    0x1fd6, 0x1fdb,
-    0x1fe0, 0x1fec,
-    0x1ff2, 0x1ff4,
-    0x1ff6, 0x1ffc,
-    0x2090, 0x209c,
-    0x210a, 0x2113,
-    0x2119, 0x211d,
-    0x212a, 0x212d,
-    0x212f, 0x2139,
-    0x213c, 0x213f,
-    0x2145, 0x2149,
-    0x2183, 0x2184,
-    0x2c00, 0x2c2e,
-    0x2c30, 0x2c5e,
-    0x2c60, 0x2ce4,
-    0x2ceb, 0x2cee,
-    0x2cf2, 0x2cf3,
-    0x2d00, 0x2d25,
-    0x2d30, 0x2d67,
-    0x2d80, 0x2d96,
-    0x2da0, 0x2da6,
-    0x2da8, 0x2dae,
-    0x2db0, 0x2db6,
-    0x2db8, 0x2dbe,
-    0x2dc0, 0x2dc6,
-    0x2dc8, 0x2dce,
-    0x2dd0, 0x2dd6,
-    0x2dd8, 0x2dde,
-    0x3005, 0x3006,
-    0x3031, 0x3035,
-    0x303b, 0x303c,
-    0x3041, 0x3096,
-    0x309d, 0x309f,
-    0x30a1, 0x30fa,
-    0x30fc, 0x30ff,
-    0x3105, 0x312d,
-    0x3131, 0x318e,
-    0x31a0, 0x31ba,
-    0x31f0, 0x31ff,
-    0x3400, 0x4db5,
-    0x4e00, 0x9fcc,
-    0xa000, 0xa48c,
-    0xa4d0, 0xa4fd,
-    0xa500, 0xa60c,
-    0xa610, 0xa61f,
-    0xa62a, 0xa62b,
-    0xa640, 0xa66e,
-    0xa67f, 0xa69d,
-    0xa6a0, 0xa6e5,
-    0xa717, 0xa71f,
-    0xa722, 0xa788,
-    0xa78b, 0xa78e,
-    0xa790, 0xa7ad,
-    0xa7b0, 0xa7b1,
-    0xa7f7, 0xa801,
-    0xa803, 0xa805,
-    0xa807, 0xa80a,
-    0xa80c, 0xa822,
-    0xa840, 0xa873,
-    0xa882, 0xa8b3,
-    0xa8f2, 0xa8f7,
-    0xa90a, 0xa925,
-    0xa930, 0xa946,
-    0xa960, 0xa97c,
-    0xa984, 0xa9b2,
-    0xa9e0, 0xa9e4,
-    0xa9e6, 0xa9ef,
-    0xa9fa, 0xa9fe,
-    0xaa00, 0xaa28,
-    0xaa40, 0xaa42,
-    0xaa44, 0xaa4b,
-    0xaa60, 0xaa76,
-    0xaa7e, 0xaaaf,
-    0xaab5, 0xaab6,
-    0xaab9, 0xaabd,
-    0xaadb, 0xaadd,
-    0xaae0, 0xaaea,
-    0xaaf2, 0xaaf4,
-    0xab01, 0xab06,
-    0xab09, 0xab0e,
-    0xab11, 0xab16,
-    0xab20, 0xab26,
-    0xab28, 0xab2e,
-    0xab30, 0xab5a,
-    0xab5c, 0xab5f,
-    0xab64, 0xab65,
-    0xabc0, 0xabe2,
-    0xac00, 0xd7a3,
-    0xd7b0, 0xd7c6,
-    0xd7cb, 0xd7fb,
-    0xf900, 0xfa6d,
-    0xfa70, 0xfad9,
-    0xfb00, 0xfb06,
-    0xfb13, 0xfb17,
-    0xfb1f, 0xfb28,
-    0xfb2a, 0xfb36,
-    0xfb38, 0xfb3c,
-    0xfb40, 0xfb41,
-    0xfb43, 0xfb44,
-    0xfb46, 0xfbb1,
-    0xfbd3, 0xfd3d,
-    0xfd50, 0xfd8f,
-    0xfd92, 0xfdc7,
-    0xfdf0, 0xfdfb,
-    0xfe70, 0xfe74,
-    0xfe76, 0xfefc,
-    0xff21, 0xff3a,
-    0xff41, 0xff5a,
-    0xff66, 0xffbe,
-    0xffc2, 0xffc7,
-    0xffca, 0xffcf,
-    0xffd2, 0xffd7,
-    0xffda, 0xffdc,
-    0x10000, 0x1000b,
-    0x1000d, 0x10026,
-    0x10028, 0x1003a,
-    0x1003c, 0x1003d,
-    0x1003f, 0x1004d,
-    0x10050, 0x1005d,
-    0x10080, 0x100fa,
-    0x10280, 0x1029c,
-    0x102a0, 0x102d0,
-    0x10300, 0x1031f,
-    0x10330, 0x10340,
-    0x10342, 0x10349,
-    0x10350, 0x10375,
-    0x10380, 0x1039d,
-    0x103a0, 0x103c3,
-    0x103c8, 0x103cf,
-    0x10400, 0x1049d,
-    0x10500, 0x10527,
-    0x10530, 0x10563,
-    0x10600, 0x10736,
-    0x10740, 0x10755,
-    0x10760, 0x10767,
-    0x10800, 0x10805,
-    0x1080a, 0x10835,
-    0x10837, 0x10838,
-    0x1083f, 0x10855,
-    0x10860, 0x10876,
-    0x10880, 0x1089e,
-    0x10900, 0x10915,
-    0x10920, 0x10939,
-    0x10980, 0x109b7,
-    0x109be, 0x109bf,
-    0x10a10, 0x10a13,
-    0x10a15, 0x10a17,
-    0x10a19, 0x10a33,
-    0x10a60, 0x10a7c,
-    0x10a80, 0x10a9c,
-    0x10ac0, 0x10ac7,
-    0x10ac9, 0x10ae4,
-    0x10b00, 0x10b35,
-    0x10b40, 0x10b55,
-    0x10b60, 0x10b72,
-    0x10b80, 0x10b91,
-    0x10c00, 0x10c48,
-    0x11003, 0x11037,
-    0x11083, 0x110af,
-    0x110d0, 0x110e8,
-    0x11103, 0x11126,
-    0x11150, 0x11172,
-    0x11183, 0x111b2,
-    0x111c1, 0x111c4,
-    0x11200, 0x11211,
-    0x11213, 0x1122b,
-    0x112b0, 0x112de,
-    0x11305, 0x1130c,
-    0x1130f, 0x11310,
-    0x11313, 0x11328,
-    0x1132a, 0x11330,
-    0x11332, 0x11333,
-    0x11335, 0x11339,
-    0x1135d, 0x11361,
-    0x11480, 0x114af,
-    0x114c4, 0x114c5,
-    0x11580, 0x115ae,
-    0x11600, 0x1162f,
-    0x11680, 0x116aa,
-    0x118a0, 0x118df,
-    0x11ac0, 0x11af8,
-    0x12000, 0x12398,
-    0x13000, 0x1342e,
-    0x16800, 0x16a38,
-    0x16a40, 0x16a5e,
-    0x16ad0, 0x16aed,
-    0x16b00, 0x16b2f,
-    0x16b40, 0x16b43,
-    0x16b63, 0x16b77,
-    0x16b7d, 0x16b8f,
-    0x16f00, 0x16f44,
-    0x16f93, 0x16f9f,
-    0x1b000, 0x1b001,
-    0x1bc00, 0x1bc6a,
-    0x1bc70, 0x1bc7c,
-    0x1bc80, 0x1bc88,
-    0x1bc90, 0x1bc99,
-    0x1d400, 0x1d454,
-    0x1d456, 0x1d49c,
-    0x1d49e, 0x1d49f,
-    0x1d4a5, 0x1d4a6,
-    0x1d4a9, 0x1d4ac,
-    0x1d4ae, 0x1d4b9,
-    0x1d4bd, 0x1d4c3,
-    0x1d4c5, 0x1d505,
-    0x1d507, 0x1d50a,
-    0x1d50d, 0x1d514,
-    0x1d516, 0x1d51c,
-    0x1d51e, 0x1d539,
-    0x1d53b, 0x1d53e,
-    0x1d540, 0x1d544,
-    0x1d54a, 0x1d550,
-    0x1d552, 0x1d6a5,
-    0x1d6a8, 0x1d6c0,
-    0x1d6c2, 0x1d6da,
-    0x1d6dc, 0x1d6fa,
-    0x1d6fc, 0x1d714,
-    0x1d716, 0x1d734,
-    0x1d736, 0x1d74e,
-    0x1d750, 0x1d76e,
-    0x1d770, 0x1d788,
-    0x1d78a, 0x1d7a8,
-    0x1d7aa, 0x1d7c2,
-    0x1d7c4, 0x1d7cb,
-    0x1e800, 0x1e8c4,
-    0x1ee00, 0x1ee03,
-    0x1ee05, 0x1ee1f,
-    0x1ee21, 0x1ee22,
-    0x1ee29, 0x1ee32,
-    0x1ee34, 0x1ee37,
-    0x1ee4d, 0x1ee4f,
-    0x1ee51, 0x1ee52,
-    0x1ee61, 0x1ee62,
-    0x1ee67, 0x1ee6a,
-    0x1ee6c, 0x1ee72,
-    0x1ee74, 0x1ee77,
-    0x1ee79, 0x1ee7c,
-    0x1ee80, 0x1ee89,
-    0x1ee8b, 0x1ee9b,
-    0x1eea1, 0x1eea3,
-    0x1eea5, 0x1eea9,
-    0x1eeab, 0x1eebb,
-    0x20000, 0x2a6d6,
-    0x2a700, 0x2b734,
-    0x2b740, 0x2b81d,
-    0x2f800, 0x2fa1d,
+	0x0041, 0x005a,
+	0x0061, 0x007a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00f6,
+	0x00f8, 0x02c1,
+	0x02c6, 0x02d1,
+	0x02e0, 0x02e4,
+	0x0370, 0x0374,
+	0x0376, 0x0377,
+	0x037a, 0x037d,
+	0x0388, 0x038a,
+	0x038e, 0x03a1,
+	0x03a3, 0x03f5,
+	0x03f7, 0x0481,
+	0x048a, 0x052f,
+	0x0531, 0x0556,
+	0x0561, 0x0587,
+	0x05d0, 0x05ea,
+	0x05f0, 0x05f2,
+	0x0620, 0x064a,
+	0x066e, 0x066f,
+	0x0671, 0x06d3,
+	0x06e5, 0x06e6,
+	0x06ee, 0x06ef,
+	0x06fa, 0x06fc,
+	0x0712, 0x072f,
+	0x074d, 0x07a5,
+	0x07ca, 0x07ea,
+	0x07f4, 0x07f5,
+	0x0800, 0x0815,
+	0x0840, 0x0858,
+	0x08a0, 0x08b2,
+	0x0904, 0x0939,
+	0x0958, 0x0961,
+	0x0971, 0x0980,
+	0x0985, 0x098c,
+	0x098f, 0x0990,
+	0x0993, 0x09a8,
+	0x09aa, 0x09b0,
+	0x09b6, 0x09b9,
+	0x09dc, 0x09dd,
+	0x09df, 0x09e1,
+	0x09f0, 0x09f1,
+	0x0a05, 0x0a0a,
+	0x0a0f, 0x0a10,
+	0x0a13, 0x0a28,
+	0x0a2a, 0x0a30,
+	0x0a32, 0x0a33,
+	0x0a35, 0x0a36,
+	0x0a38, 0x0a39,
+	0x0a59, 0x0a5c,
+	0x0a72, 0x0a74,
+	0x0a85, 0x0a8d,
+	0x0a8f, 0x0a91,
+	0x0a93, 0x0aa8,
+	0x0aaa, 0x0ab0,
+	0x0ab2, 0x0ab3,
+	0x0ab5, 0x0ab9,
+	0x0ae0, 0x0ae1,
+	0x0b05, 0x0b0c,
+	0x0b0f, 0x0b10,
+	0x0b13, 0x0b28,
+	0x0b2a, 0x0b30,
+	0x0b32, 0x0b33,
+	0x0b35, 0x0b39,
+	0x0b5c, 0x0b5d,
+	0x0b5f, 0x0b61,
+	0x0b85, 0x0b8a,
+	0x0b8e, 0x0b90,
+	0x0b92, 0x0b95,
+	0x0b99, 0x0b9a,
+	0x0b9e, 0x0b9f,
+	0x0ba3, 0x0ba4,
+	0x0ba8, 0x0baa,
+	0x0bae, 0x0bb9,
+	0x0c05, 0x0c0c,
+	0x0c0e, 0x0c10,
+	0x0c12, 0x0c28,
+	0x0c2a, 0x0c39,
+	0x0c58, 0x0c59,
+	0x0c60, 0x0c61,
+	0x0c85, 0x0c8c,
+	0x0c8e, 0x0c90,
+	0x0c92, 0x0ca8,
+	0x0caa, 0x0cb3,
+	0x0cb5, 0x0cb9,
+	0x0ce0, 0x0ce1,
+	0x0cf1, 0x0cf2,
+	0x0d05, 0x0d0c,
+	0x0d0e, 0x0d10,
+	0x0d12, 0x0d3a,
+	0x0d60, 0x0d61,
+	0x0d7a, 0x0d7f,
+	0x0d85, 0x0d96,
+	0x0d9a, 0x0db1,
+	0x0db3, 0x0dbb,
+	0x0dc0, 0x0dc6,
+	0x0e01, 0x0e30,
+	0x0e32, 0x0e33,
+	0x0e40, 0x0e46,
+	0x0e81, 0x0e82,
+	0x0e87, 0x0e88,
+	0x0e94, 0x0e97,
+	0x0e99, 0x0e9f,
+	0x0ea1, 0x0ea3,
+	0x0eaa, 0x0eab,
+	0x0ead, 0x0eb0,
+	0x0eb2, 0x0eb3,
+	0x0ec0, 0x0ec4,
+	0x0edc, 0x0edf,
+	0x0f40, 0x0f47,
+	0x0f49, 0x0f6c,
+	0x0f88, 0x0f8c,
+	0x1000, 0x102a,
+	0x1050, 0x1055,
+	0x105a, 0x105d,
+	0x1065, 0x1066,
+	0x106e, 0x1070,
+	0x1075, 0x1081,
+	0x10a0, 0x10c5,
+	0x10d0, 0x10fa,
+	0x10fc, 0x1248,
+	0x124a, 0x124d,
+	0x1250, 0x1256,
+	0x125a, 0x125d,
+	0x1260, 0x1288,
+	0x128a, 0x128d,
+	0x1290, 0x12b0,
+	0x12b2, 0x12b5,
+	0x12b8, 0x12be,
+	0x12c2, 0x12c5,
+	0x12c8, 0x12d6,
+	0x12d8, 0x1310,
+	0x1312, 0x1315,
+	0x1318, 0x135a,
+	0x1380, 0x138f,
+	0x13a0, 0x13f4,
+	0x1401, 0x166c,
+	0x166f, 0x167f,
+	0x1681, 0x169a,
+	0x16a0, 0x16ea,
+	0x16f1, 0x16f8,
+	0x1700, 0x170c,
+	0x170e, 0x1711,
+	0x1720, 0x1731,
+	0x1740, 0x1751,
+	0x1760, 0x176c,
+	0x176e, 0x1770,
+	0x1780, 0x17b3,
+	0x1820, 0x1877,
+	0x1880, 0x18a8,
+	0x18b0, 0x18f5,
+	0x1900, 0x191e,
+	0x1950, 0x196d,
+	0x1970, 0x1974,
+	0x1980, 0x19ab,
+	0x19c1, 0x19c7,
+	0x1a00, 0x1a16,
+	0x1a20, 0x1a54,
+	0x1b05, 0x1b33,
+	0x1b45, 0x1b4b,
+	0x1b83, 0x1ba0,
+	0x1bae, 0x1baf,
+	0x1bba, 0x1be5,
+	0x1c00, 0x1c23,
+	0x1c4d, 0x1c4f,
+	0x1c5a, 0x1c7d,
+	0x1ce9, 0x1cec,
+	0x1cee, 0x1cf1,
+	0x1cf5, 0x1cf6,
+	0x1d00, 0x1dbf,
+	0x1e00, 0x1f15,
+	0x1f18, 0x1f1d,
+	0x1f20, 0x1f45,
+	0x1f48, 0x1f4d,
+	0x1f50, 0x1f57,
+	0x1f5f, 0x1f7d,
+	0x1f80, 0x1fb4,
+	0x1fb6, 0x1fbc,
+	0x1fc2, 0x1fc4,
+	0x1fc6, 0x1fcc,
+	0x1fd0, 0x1fd3,
+	0x1fd6, 0x1fdb,
+	0x1fe0, 0x1fec,
+	0x1ff2, 0x1ff4,
+	0x1ff6, 0x1ffc,
+	0x2090, 0x209c,
+	0x210a, 0x2113,
+	0x2119, 0x211d,
+	0x212a, 0x212d,
+	0x212f, 0x2139,
+	0x213c, 0x213f,
+	0x2145, 0x2149,
+	0x2183, 0x2184,
+	0x2c00, 0x2c2e,
+	0x2c30, 0x2c5e,
+	0x2c60, 0x2ce4,
+	0x2ceb, 0x2cee,
+	0x2cf2, 0x2cf3,
+	0x2d00, 0x2d25,
+	0x2d30, 0x2d67,
+	0x2d80, 0x2d96,
+	0x2da0, 0x2da6,
+	0x2da8, 0x2dae,
+	0x2db0, 0x2db6,
+	0x2db8, 0x2dbe,
+	0x2dc0, 0x2dc6,
+	0x2dc8, 0x2dce,
+	0x2dd0, 0x2dd6,
+	0x2dd8, 0x2dde,
+	0x3005, 0x3006,
+	0x3031, 0x3035,
+	0x303b, 0x303c,
+	0x3041, 0x3096,
+	0x309d, 0x309f,
+	0x30a1, 0x30fa,
+	0x30fc, 0x30ff,
+	0x3105, 0x312d,
+	0x3131, 0x318e,
+	0x31a0, 0x31ba,
+	0x31f0, 0x31ff,
+	0x3400, 0x4db5,
+	0x4e00, 0x9fcc,
+	0xa000, 0xa48c,
+	0xa4d0, 0xa4fd,
+	0xa500, 0xa60c,
+	0xa610, 0xa61f,
+	0xa62a, 0xa62b,
+	0xa640, 0xa66e,
+	0xa67f, 0xa69d,
+	0xa6a0, 0xa6e5,
+	0xa717, 0xa71f,
+	0xa722, 0xa788,
+	0xa78b, 0xa78e,
+	0xa790, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xa7f7, 0xa801,
+	0xa803, 0xa805,
+	0xa807, 0xa80a,
+	0xa80c, 0xa822,
+	0xa840, 0xa873,
+	0xa882, 0xa8b3,
+	0xa8f2, 0xa8f7,
+	0xa90a, 0xa925,
+	0xa930, 0xa946,
+	0xa960, 0xa97c,
+	0xa984, 0xa9b2,
+	0xa9e0, 0xa9e4,
+	0xa9e6, 0xa9ef,
+	0xa9fa, 0xa9fe,
+	0xaa00, 0xaa28,
+	0xaa40, 0xaa42,
+	0xaa44, 0xaa4b,
+	0xaa60, 0xaa76,
+	0xaa7e, 0xaaaf,
+	0xaab5, 0xaab6,
+	0xaab9, 0xaabd,
+	0xaadb, 0xaadd,
+	0xaae0, 0xaaea,
+	0xaaf2, 0xaaf4,
+	0xab01, 0xab06,
+	0xab09, 0xab0e,
+	0xab11, 0xab16,
+	0xab20, 0xab26,
+	0xab28, 0xab2e,
+	0xab30, 0xab5a,
+	0xab5c, 0xab5f,
+	0xab64, 0xab65,
+	0xabc0, 0xabe2,
+	0xac00, 0xd7a3,
+	0xd7b0, 0xd7c6,
+	0xd7cb, 0xd7fb,
+	0xf900, 0xfa6d,
+	0xfa70, 0xfad9,
+	0xfb00, 0xfb06,
+	0xfb13, 0xfb17,
+	0xfb1f, 0xfb28,
+	0xfb2a, 0xfb36,
+	0xfb38, 0xfb3c,
+	0xfb40, 0xfb41,
+	0xfb43, 0xfb44,
+	0xfb46, 0xfbb1,
+	0xfbd3, 0xfd3d,
+	0xfd50, 0xfd8f,
+	0xfd92, 0xfdc7,
+	0xfdf0, 0xfdfb,
+	0xfe70, 0xfe74,
+	0xfe76, 0xfefc,
+	0xff21, 0xff3a,
+	0xff41, 0xff5a,
+	0xff66, 0xffbe,
+	0xffc2, 0xffc7,
+	0xffca, 0xffcf,
+	0xffd2, 0xffd7,
+	0xffda, 0xffdc,
+	0x10000, 0x1000b,
+	0x1000d, 0x10026,
+	0x10028, 0x1003a,
+	0x1003c, 0x1003d,
+	0x1003f, 0x1004d,
+	0x10050, 0x1005d,
+	0x10080, 0x100fa,
+	0x10280, 0x1029c,
+	0x102a0, 0x102d0,
+	0x10300, 0x1031f,
+	0x10330, 0x10340,
+	0x10342, 0x10349,
+	0x10350, 0x10375,
+	0x10380, 0x1039d,
+	0x103a0, 0x103c3,
+	0x103c8, 0x103cf,
+	0x10400, 0x1049d,
+	0x10500, 0x10527,
+	0x10530, 0x10563,
+	0x10600, 0x10736,
+	0x10740, 0x10755,
+	0x10760, 0x10767,
+	0x10800, 0x10805,
+	0x1080a, 0x10835,
+	0x10837, 0x10838,
+	0x1083f, 0x10855,
+	0x10860, 0x10876,
+	0x10880, 0x1089e,
+	0x10900, 0x10915,
+	0x10920, 0x10939,
+	0x10980, 0x109b7,
+	0x109be, 0x109bf,
+	0x10a10, 0x10a13,
+	0x10a15, 0x10a17,
+	0x10a19, 0x10a33,
+	0x10a60, 0x10a7c,
+	0x10a80, 0x10a9c,
+	0x10ac0, 0x10ac7,
+	0x10ac9, 0x10ae4,
+	0x10b00, 0x10b35,
+	0x10b40, 0x10b55,
+	0x10b60, 0x10b72,
+	0x10b80, 0x10b91,
+	0x10c00, 0x10c48,
+	0x11003, 0x11037,
+	0x11083, 0x110af,
+	0x110d0, 0x110e8,
+	0x11103, 0x11126,
+	0x11150, 0x11172,
+	0x11183, 0x111b2,
+	0x111c1, 0x111c4,
+	0x11200, 0x11211,
+	0x11213, 0x1122b,
+	0x112b0, 0x112de,
+	0x11305, 0x1130c,
+	0x1130f, 0x11310,
+	0x11313, 0x11328,
+	0x1132a, 0x11330,
+	0x11332, 0x11333,
+	0x11335, 0x11339,
+	0x1135d, 0x11361,
+	0x11480, 0x114af,
+	0x114c4, 0x114c5,
+	0x11580, 0x115ae,
+	0x11600, 0x1162f,
+	0x11680, 0x116aa,
+	0x118a0, 0x118df,
+	0x11ac0, 0x11af8,
+	0x12000, 0x12398,
+	0x13000, 0x1342e,
+	0x16800, 0x16a38,
+	0x16a40, 0x16a5e,
+	0x16ad0, 0x16aed,
+	0x16b00, 0x16b2f,
+	0x16b40, 0x16b43,
+	0x16b63, 0x16b77,
+	0x16b7d, 0x16b8f,
+	0x16f00, 0x16f44,
+	0x16f93, 0x16f9f,
+	0x1b000, 0x1b001,
+	0x1bc00, 0x1bc6a,
+	0x1bc70, 0x1bc7c,
+	0x1bc80, 0x1bc88,
+	0x1bc90, 0x1bc99,
+	0x1d400, 0x1d454,
+	0x1d456, 0x1d49c,
+	0x1d49e, 0x1d49f,
+	0x1d4a5, 0x1d4a6,
+	0x1d4a9, 0x1d4ac,
+	0x1d4ae, 0x1d4b9,
+	0x1d4bd, 0x1d4c3,
+	0x1d4c5, 0x1d505,
+	0x1d507, 0x1d50a,
+	0x1d50d, 0x1d514,
+	0x1d516, 0x1d51c,
+	0x1d51e, 0x1d539,
+	0x1d53b, 0x1d53e,
+	0x1d540, 0x1d544,
+	0x1d54a, 0x1d550,
+	0x1d552, 0x1d6a5,
+	0x1d6a8, 0x1d6c0,
+	0x1d6c2, 0x1d6da,
+	0x1d6dc, 0x1d6fa,
+	0x1d6fc, 0x1d714,
+	0x1d716, 0x1d734,
+	0x1d736, 0x1d74e,
+	0x1d750, 0x1d76e,
+	0x1d770, 0x1d788,
+	0x1d78a, 0x1d7a8,
+	0x1d7aa, 0x1d7c2,
+	0x1d7c4, 0x1d7cb,
+	0x1e800, 0x1e8c4,
+	0x1ee00, 0x1ee03,
+	0x1ee05, 0x1ee1f,
+	0x1ee21, 0x1ee22,
+	0x1ee29, 0x1ee32,
+	0x1ee34, 0x1ee37,
+	0x1ee4d, 0x1ee4f,
+	0x1ee51, 0x1ee52,
+	0x1ee61, 0x1ee62,
+	0x1ee67, 0x1ee6a,
+	0x1ee6c, 0x1ee72,
+	0x1ee74, 0x1ee77,
+	0x1ee79, 0x1ee7c,
+	0x1ee80, 0x1ee89,
+	0x1ee8b, 0x1ee9b,
+	0x1eea1, 0x1eea3,
+	0x1eea5, 0x1eea9,
+	0x1eeab, 0x1eebb,
+	0x20000, 0x2a6d6,
+	0x2a700, 0x2b734,
+	0x2b740, 0x2b81d,
+	0x2f800, 0x2fa1d,
 };
 
 } // !namespace
@@ -590,228 +590,228 @@
 namespace {
 
 const char32_t isalphas[] = {
-    0x00aa,
-    0x00b5,
-    0x00ba,
-    0x02ec,
-    0x02ee,
-    0x037f,
-    0x0386,
-    0x038c,
-    0x0559,
-    0x06d5,
-    0x06ff,
-    0x0710,
-    0x07b1,
-    0x07fa,
-    0x081a,
-    0x0824,
-    0x0828,
-    0x093d,
-    0x0950,
-    0x09b2,
-    0x09bd,
-    0x09ce,
-    0x0a5e,
-    0x0abd,
-    0x0ad0,
-    0x0b3d,
-    0x0b71,
-    0x0b83,
-    0x0b9c,
-    0x0bd0,
-    0x0c3d,
-    0x0cbd,
-    0x0cde,
-    0x0d3d,
-    0x0d4e,
-    0x0dbd,
-    0x0e84,
-    0x0e8a,
-    0x0e8d,
-    0x0ea5,
-    0x0ea7,
-    0x0ebd,
-    0x0ec6,
-    0x0f00,
-    0x103f,
-    0x1061,
-    0x108e,
-    0x10c7,
-    0x10cd,
-    0x1258,
-    0x12c0,
-    0x17d7,
-    0x17dc,
-    0x18aa,
-    0x1aa7,
-    0x1f59,
-    0x1f5b,
-    0x1f5d,
-    0x1fbe,
-    0x2071,
-    0x207f,
-    0x2102,
-    0x2107,
-    0x2115,
-    0x2124,
-    0x2126,
-    0x2128,
-    0x214e,
-    0x2d27,
-    0x2d2d,
-    0x2d6f,
-    0x2e2f,
-    0xa8fb,
-    0xa9cf,
-    0xaa7a,
-    0xaab1,
-    0xaac0,
-    0xaac2,
-    0xfb1d,
-    0xfb3e,
-    0x10808,
-    0x1083c,
-    0x10a00,
-    0x11176,
-    0x111da,
-    0x1133d,
-    0x114c7,
-    0x11644,
-    0x118ff,
-    0x16f50,
-    0x1d4a2,
-    0x1d4bb,
-    0x1d546,
-    0x1ee24,
-    0x1ee27,
-    0x1ee39,
-    0x1ee3b,
-    0x1ee42,
-    0x1ee47,
-    0x1ee49,
-    0x1ee4b,
-    0x1ee54,
-    0x1ee57,
-    0x1ee59,
-    0x1ee5b,
-    0x1ee5d,
-    0x1ee5f,
-    0x1ee64,
-    0x1ee7e,
+	0x00aa,
+	0x00b5,
+	0x00ba,
+	0x02ec,
+	0x02ee,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x0559,
+	0x06d5,
+	0x06ff,
+	0x0710,
+	0x07b1,
+	0x07fa,
+	0x081a,
+	0x0824,
+	0x0828,
+	0x093d,
+	0x0950,
+	0x09b2,
+	0x09bd,
+	0x09ce,
+	0x0a5e,
+	0x0abd,
+	0x0ad0,
+	0x0b3d,
+	0x0b71,
+	0x0b83,
+	0x0b9c,
+	0x0bd0,
+	0x0c3d,
+	0x0cbd,
+	0x0cde,
+	0x0d3d,
+	0x0d4e,
+	0x0dbd,
+	0x0e84,
+	0x0e8a,
+	0x0e8d,
+	0x0ea5,
+	0x0ea7,
+	0x0ebd,
+	0x0ec6,
+	0x0f00,
+	0x103f,
+	0x1061,
+	0x108e,
+	0x10c7,
+	0x10cd,
+	0x1258,
+	0x12c0,
+	0x17d7,
+	0x17dc,
+	0x18aa,
+	0x1aa7,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1fbe,
+	0x2071,
+	0x207f,
+	0x2102,
+	0x2107,
+	0x2115,
+	0x2124,
+	0x2126,
+	0x2128,
+	0x214e,
+	0x2d27,
+	0x2d2d,
+	0x2d6f,
+	0x2e2f,
+	0xa8fb,
+	0xa9cf,
+	0xaa7a,
+	0xaab1,
+	0xaac0,
+	0xaac2,
+	0xfb1d,
+	0xfb3e,
+	0x10808,
+	0x1083c,
+	0x10a00,
+	0x11176,
+	0x111da,
+	0x1133d,
+	0x114c7,
+	0x11644,
+	0x118ff,
+	0x16f50,
+	0x1d4a2,
+	0x1d4bb,
+	0x1d546,
+	0x1ee24,
+	0x1ee27,
+	0x1ee39,
+	0x1ee3b,
+	0x1ee42,
+	0x1ee47,
+	0x1ee49,
+	0x1ee4b,
+	0x1ee54,
+	0x1ee57,
+	0x1ee59,
+	0x1ee5b,
+	0x1ee5d,
+	0x1ee5f,
+	0x1ee64,
+	0x1ee7e,
 };
 
 } // !namespace
 
-bool isalpha(char32_t c) noexcept
+auto isalpha(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, isalphar, nelem (isalphar) / 2, 2);
+	p = search(c, isalphar, nelem (isalphar) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    p = rbsearch(c, isalphas, nelem (isalphas), 1);
+	p = search(c, isalphas, nelem (isalphas), 1);
 
-    if (p && c == p[0])
-        return true;
+	if (p && c == p[0])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t isupperr[] = {
-    0x0041, 0x005a,
-    0x00c0, 0x00d6,
-    0x00d8, 0x00de,
-    0x0178, 0x0179,
-    0x0181, 0x0182,
-    0x0186, 0x0187,
-    0x0189, 0x018b,
-    0x018e, 0x0191,
-    0x0193, 0x0194,
-    0x0196, 0x0198,
-    0x019c, 0x019d,
-    0x019f, 0x01a0,
-    0x01a6, 0x01a7,
-    0x01ae, 0x01af,
-    0x01b1, 0x01b3,
-    0x01b7, 0x01b8,
-    0x01f6, 0x01f8,
-    0x023a, 0x023b,
-    0x023d, 0x023e,
-    0x0243, 0x0246,
-    0x0388, 0x038a,
-    0x038e, 0x038f,
-    0x0391, 0x03a1,
-    0x03a3, 0x03ab,
-    0x03d2, 0x03d4,
-    0x03f9, 0x03fa,
-    0x03fd, 0x042f,
-    0x04c0, 0x04c1,
-    0x0531, 0x0556,
-    0x10a0, 0x10c5,
-    0x1f08, 0x1f0f,
-    0x1f18, 0x1f1d,
-    0x1f28, 0x1f2f,
-    0x1f38, 0x1f3f,
-    0x1f48, 0x1f4d,
-    0x1f68, 0x1f6f,
-    0x1f88, 0x1f8f,
-    0x1f98, 0x1f9f,
-    0x1fa8, 0x1faf,
-    0x1fb8, 0x1fbc,
-    0x1fc8, 0x1fcc,
-    0x1fd8, 0x1fdb,
-    0x1fe8, 0x1fec,
-    0x1ff8, 0x1ffc,
-    0x210b, 0x210d,
-    0x2110, 0x2112,
-    0x2119, 0x211d,
-    0x212a, 0x212d,
-    0x2130, 0x2133,
-    0x213e, 0x213f,
-    0x2160, 0x216f,
-    0x24b6, 0x24cf,
-    0x2c00, 0x2c2e,
-    0x2c62, 0x2c64,
-    0x2c6d, 0x2c70,
-    0x2c7e, 0x2c80,
-    0xa77d, 0xa77e,
-    0xa7aa, 0xa7ad,
-    0xa7b0, 0xa7b1,
-    0xff21, 0xff3a,
-    0x10400, 0x10427,
-    0x118a0, 0x118bf,
-    0x1d400, 0x1d419,
-    0x1d434, 0x1d44d,
-    0x1d468, 0x1d481,
-    0x1d49e, 0x1d49f,
-    0x1d4a5, 0x1d4a6,
-    0x1d4a9, 0x1d4ac,
-    0x1d4ae, 0x1d4b5,
-    0x1d4d0, 0x1d4e9,
-    0x1d504, 0x1d505,
-    0x1d507, 0x1d50a,
-    0x1d50d, 0x1d514,
-    0x1d516, 0x1d51c,
-    0x1d538, 0x1d539,
-    0x1d53b, 0x1d53e,
-    0x1d540, 0x1d544,
-    0x1d54a, 0x1d550,
-    0x1d56c, 0x1d585,
-    0x1d5a0, 0x1d5b9,
-    0x1d5d4, 0x1d5ed,
-    0x1d608, 0x1d621,
-    0x1d63c, 0x1d655,
-    0x1d670, 0x1d689,
-    0x1d6a8, 0x1d6c0,
-    0x1d6e2, 0x1d6fa,
-    0x1d71c, 0x1d734,
-    0x1d756, 0x1d76e,
-    0x1d790, 0x1d7a8,
+	0x0041, 0x005a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00de,
+	0x0178, 0x0179,
+	0x0181, 0x0182,
+	0x0186, 0x0187,
+	0x0189, 0x018b,
+	0x018e, 0x0191,
+	0x0193, 0x0194,
+	0x0196, 0x0198,
+	0x019c, 0x019d,
+	0x019f, 0x01a0,
+	0x01a6, 0x01a7,
+	0x01ae, 0x01af,
+	0x01b1, 0x01b3,
+	0x01b7, 0x01b8,
+	0x01f6, 0x01f8,
+	0x023a, 0x023b,
+	0x023d, 0x023e,
+	0x0243, 0x0246,
+	0x0388, 0x038a,
+	0x038e, 0x038f,
+	0x0391, 0x03a1,
+	0x03a3, 0x03ab,
+	0x03d2, 0x03d4,
+	0x03f9, 0x03fa,
+	0x03fd, 0x042f,
+	0x04c0, 0x04c1,
+	0x0531, 0x0556,
+	0x10a0, 0x10c5,
+	0x1f08, 0x1f0f,
+	0x1f18, 0x1f1d,
+	0x1f28, 0x1f2f,
+	0x1f38, 0x1f3f,
+	0x1f48, 0x1f4d,
+	0x1f68, 0x1f6f,
+	0x1f88, 0x1f8f,
+	0x1f98, 0x1f9f,
+	0x1fa8, 0x1faf,
+	0x1fb8, 0x1fbc,
+	0x1fc8, 0x1fcc,
+	0x1fd8, 0x1fdb,
+	0x1fe8, 0x1fec,
+	0x1ff8, 0x1ffc,
+	0x210b, 0x210d,
+	0x2110, 0x2112,
+	0x2119, 0x211d,
+	0x212a, 0x212d,
+	0x2130, 0x2133,
+	0x213e, 0x213f,
+	0x2160, 0x216f,
+	0x24b6, 0x24cf,
+	0x2c00, 0x2c2e,
+	0x2c62, 0x2c64,
+	0x2c6d, 0x2c70,
+	0x2c7e, 0x2c80,
+	0xa77d, 0xa77e,
+	0xa7aa, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xff21, 0xff3a,
+	0x10400, 0x10427,
+	0x118a0, 0x118bf,
+	0x1d400, 0x1d419,
+	0x1d434, 0x1d44d,
+	0x1d468, 0x1d481,
+	0x1d49e, 0x1d49f,
+	0x1d4a5, 0x1d4a6,
+	0x1d4a9, 0x1d4ac,
+	0x1d4ae, 0x1d4b5,
+	0x1d4d0, 0x1d4e9,
+	0x1d504, 0x1d505,
+	0x1d507, 0x1d50a,
+	0x1d50d, 0x1d514,
+	0x1d516, 0x1d51c,
+	0x1d538, 0x1d539,
+	0x1d53b, 0x1d53e,
+	0x1d540, 0x1d544,
+	0x1d54a, 0x1d550,
+	0x1d56c, 0x1d585,
+	0x1d5a0, 0x1d5b9,
+	0x1d5d4, 0x1d5ed,
+	0x1d608, 0x1d621,
+	0x1d63c, 0x1d655,
+	0x1d670, 0x1d689,
+	0x1d6a8, 0x1d6c0,
+	0x1d6e2, 0x1d6fa,
+	0x1d71c, 0x1d734,
+	0x1d756, 0x1d76e,
+	0x1d790, 0x1d7a8,
 };
 
 } // !namespace
@@ -819,665 +819,665 @@
 namespace {
 
 const char32_t isuppers[] = {
-    0x0100,
-    0x0102,
-    0x0104,
-    0x0106,
-    0x0108,
-    0x010a,
-    0x010c,
-    0x010e,
-    0x0110,
-    0x0112,
-    0x0114,
-    0x0116,
-    0x0118,
-    0x011a,
-    0x011c,
-    0x011e,
-    0x0120,
-    0x0122,
-    0x0124,
-    0x0126,
-    0x0128,
-    0x012a,
-    0x012c,
-    0x012e,
-    0x0130,
-    0x0132,
-    0x0134,
-    0x0136,
-    0x0139,
-    0x013b,
-    0x013d,
-    0x013f,
-    0x0141,
-    0x0143,
-    0x0145,
-    0x0147,
-    0x014a,
-    0x014c,
-    0x014e,
-    0x0150,
-    0x0152,
-    0x0154,
-    0x0156,
-    0x0158,
-    0x015a,
-    0x015c,
-    0x015e,
-    0x0160,
-    0x0162,
-    0x0164,
-    0x0166,
-    0x0168,
-    0x016a,
-    0x016c,
-    0x016e,
-    0x0170,
-    0x0172,
-    0x0174,
-    0x0176,
-    0x017b,
-    0x017d,
-    0x0184,
-    0x01a2,
-    0x01a4,
-    0x01a9,
-    0x01ac,
-    0x01b5,
-    0x01bc,
-    0x01c4,
-    0x01c7,
-    0x01ca,
-    0x01cd,
-    0x01cf,
-    0x01d1,
-    0x01d3,
-    0x01d5,
-    0x01d7,
-    0x01d9,
-    0x01db,
-    0x01de,
-    0x01e0,
-    0x01e2,
-    0x01e4,
-    0x01e6,
-    0x01e8,
-    0x01ea,
-    0x01ec,
-    0x01ee,
-    0x01f1,
-    0x01f4,
-    0x01fa,
-    0x01fc,
-    0x01fe,
-    0x0200,
-    0x0202,
-    0x0204,
-    0x0206,
-    0x0208,
-    0x020a,
-    0x020c,
-    0x020e,
-    0x0210,
-    0x0212,
-    0x0214,
-    0x0216,
-    0x0218,
-    0x021a,
-    0x021c,
-    0x021e,
-    0x0220,
-    0x0222,
-    0x0224,
-    0x0226,
-    0x0228,
-    0x022a,
-    0x022c,
-    0x022e,
-    0x0230,
-    0x0232,
-    0x0241,
-    0x0248,
-    0x024a,
-    0x024c,
-    0x024e,
-    0x0370,
-    0x0372,
-    0x0376,
-    0x037f,
-    0x0386,
-    0x038c,
-    0x03cf,
-    0x03d8,
-    0x03da,
-    0x03dc,
-    0x03de,
-    0x03e0,
-    0x03e2,
-    0x03e4,
-    0x03e6,
-    0x03e8,
-    0x03ea,
-    0x03ec,
-    0x03ee,
-    0x03f4,
-    0x03f7,
-    0x0460,
-    0x0462,
-    0x0464,
-    0x0466,
-    0x0468,
-    0x046a,
-    0x046c,
-    0x046e,
-    0x0470,
-    0x0472,
-    0x0474,
-    0x0476,
-    0x0478,
-    0x047a,
-    0x047c,
-    0x047e,
-    0x0480,
-    0x048a,
-    0x048c,
-    0x048e,
-    0x0490,
-    0x0492,
-    0x0494,
-    0x0496,
-    0x0498,
-    0x049a,
-    0x049c,
-    0x049e,
-    0x04a0,
-    0x04a2,
-    0x04a4,
-    0x04a6,
-    0x04a8,
-    0x04aa,
-    0x04ac,
-    0x04ae,
-    0x04b0,
-    0x04b2,
-    0x04b4,
-    0x04b6,
-    0x04b8,
-    0x04ba,
-    0x04bc,
-    0x04be,
-    0x04c3,
-    0x04c5,
-    0x04c7,
-    0x04c9,
-    0x04cb,
-    0x04cd,
-    0x04d0,
-    0x04d2,
-    0x04d4,
-    0x04d6,
-    0x04d8,
-    0x04da,
-    0x04dc,
-    0x04de,
-    0x04e0,
-    0x04e2,
-    0x04e4,
-    0x04e6,
-    0x04e8,
-    0x04ea,
-    0x04ec,
-    0x04ee,
-    0x04f0,
-    0x04f2,
-    0x04f4,
-    0x04f6,
-    0x04f8,
-    0x04fa,
-    0x04fc,
-    0x04fe,
-    0x0500,
-    0x0502,
-    0x0504,
-    0x0506,
-    0x0508,
-    0x050a,
-    0x050c,
-    0x050e,
-    0x0510,
-    0x0512,
-    0x0514,
-    0x0516,
-    0x0518,
-    0x051a,
-    0x051c,
-    0x051e,
-    0x0520,
-    0x0522,
-    0x0524,
-    0x0526,
-    0x0528,
-    0x052a,
-    0x052c,
-    0x052e,
-    0x10c7,
-    0x10cd,
-    0x1e00,
-    0x1e02,
-    0x1e04,
-    0x1e06,
-    0x1e08,
-    0x1e0a,
-    0x1e0c,
-    0x1e0e,
-    0x1e10,
-    0x1e12,
-    0x1e14,
-    0x1e16,
-    0x1e18,
-    0x1e1a,
-    0x1e1c,
-    0x1e1e,
-    0x1e20,
-    0x1e22,
-    0x1e24,
-    0x1e26,
-    0x1e28,
-    0x1e2a,
-    0x1e2c,
-    0x1e2e,
-    0x1e30,
-    0x1e32,
-    0x1e34,
-    0x1e36,
-    0x1e38,
-    0x1e3a,
-    0x1e3c,
-    0x1e3e,
-    0x1e40,
-    0x1e42,
-    0x1e44,
-    0x1e46,
-    0x1e48,
-    0x1e4a,
-    0x1e4c,
-    0x1e4e,
-    0x1e50,
-    0x1e52,
-    0x1e54,
-    0x1e56,
-    0x1e58,
-    0x1e5a,
-    0x1e5c,
-    0x1e5e,
-    0x1e60,
-    0x1e62,
-    0x1e64,
-    0x1e66,
-    0x1e68,
-    0x1e6a,
-    0x1e6c,
-    0x1e6e,
-    0x1e70,
-    0x1e72,
-    0x1e74,
-    0x1e76,
-    0x1e78,
-    0x1e7a,
-    0x1e7c,
-    0x1e7e,
-    0x1e80,
-    0x1e82,
-    0x1e84,
-    0x1e86,
-    0x1e88,
-    0x1e8a,
-    0x1e8c,
-    0x1e8e,
-    0x1e90,
-    0x1e92,
-    0x1e94,
-    0x1e9e,
-    0x1ea0,
-    0x1ea2,
-    0x1ea4,
-    0x1ea6,
-    0x1ea8,
-    0x1eaa,
-    0x1eac,
-    0x1eae,
-    0x1eb0,
-    0x1eb2,
-    0x1eb4,
-    0x1eb6,
-    0x1eb8,
-    0x1eba,
-    0x1ebc,
-    0x1ebe,
-    0x1ec0,
-    0x1ec2,
-    0x1ec4,
-    0x1ec6,
-    0x1ec8,
-    0x1eca,
-    0x1ecc,
-    0x1ece,
-    0x1ed0,
-    0x1ed2,
-    0x1ed4,
-    0x1ed6,
-    0x1ed8,
-    0x1eda,
-    0x1edc,
-    0x1ede,
-    0x1ee0,
-    0x1ee2,
-    0x1ee4,
-    0x1ee6,
-    0x1ee8,
-    0x1eea,
-    0x1eec,
-    0x1eee,
-    0x1ef0,
-    0x1ef2,
-    0x1ef4,
-    0x1ef6,
-    0x1ef8,
-    0x1efa,
-    0x1efc,
-    0x1efe,
-    0x1f59,
-    0x1f5b,
-    0x1f5d,
-    0x1f5f,
-    0x2102,
-    0x2107,
-    0x2115,
-    0x2124,
-    0x2126,
-    0x2128,
-    0x2145,
-    0x2183,
-    0x2c60,
-    0x2c67,
-    0x2c69,
-    0x2c6b,
-    0x2c72,
-    0x2c75,
-    0x2c82,
-    0x2c84,
-    0x2c86,
-    0x2c88,
-    0x2c8a,
-    0x2c8c,
-    0x2c8e,
-    0x2c90,
-    0x2c92,
-    0x2c94,
-    0x2c96,
-    0x2c98,
-    0x2c9a,
-    0x2c9c,
-    0x2c9e,
-    0x2ca0,
-    0x2ca2,
-    0x2ca4,
-    0x2ca6,
-    0x2ca8,
-    0x2caa,
-    0x2cac,
-    0x2cae,
-    0x2cb0,
-    0x2cb2,
-    0x2cb4,
-    0x2cb6,
-    0x2cb8,
-    0x2cba,
-    0x2cbc,
-    0x2cbe,
-    0x2cc0,
-    0x2cc2,
-    0x2cc4,
-    0x2cc6,
-    0x2cc8,
-    0x2cca,
-    0x2ccc,
-    0x2cce,
-    0x2cd0,
-    0x2cd2,
-    0x2cd4,
-    0x2cd6,
-    0x2cd8,
-    0x2cda,
-    0x2cdc,
-    0x2cde,
-    0x2ce0,
-    0x2ce2,
-    0x2ceb,
-    0x2ced,
-    0x2cf2,
-    0xa640,
-    0xa642,
-    0xa644,
-    0xa646,
-    0xa648,
-    0xa64a,
-    0xa64c,
-    0xa64e,
-    0xa650,
-    0xa652,
-    0xa654,
-    0xa656,
-    0xa658,
-    0xa65a,
-    0xa65c,
-    0xa65e,
-    0xa660,
-    0xa662,
-    0xa664,
-    0xa666,
-    0xa668,
-    0xa66a,
-    0xa66c,
-    0xa680,
-    0xa682,
-    0xa684,
-    0xa686,
-    0xa688,
-    0xa68a,
-    0xa68c,
-    0xa68e,
-    0xa690,
-    0xa692,
-    0xa694,
-    0xa696,
-    0xa698,
-    0xa69a,
-    0xa722,
-    0xa724,
-    0xa726,
-    0xa728,
-    0xa72a,
-    0xa72c,
-    0xa72e,
-    0xa732,
-    0xa734,
-    0xa736,
-    0xa738,
-    0xa73a,
-    0xa73c,
-    0xa73e,
-    0xa740,
-    0xa742,
-    0xa744,
-    0xa746,
-    0xa748,
-    0xa74a,
-    0xa74c,
-    0xa74e,
-    0xa750,
-    0xa752,
-    0xa754,
-    0xa756,
-    0xa758,
-    0xa75a,
-    0xa75c,
-    0xa75e,
-    0xa760,
-    0xa762,
-    0xa764,
-    0xa766,
-    0xa768,
-    0xa76a,
-    0xa76c,
-    0xa76e,
-    0xa779,
-    0xa77b,
-    0xa780,
-    0xa782,
-    0xa784,
-    0xa786,
-    0xa78b,
-    0xa78d,
-    0xa790,
-    0xa792,
-    0xa796,
-    0xa798,
-    0xa79a,
-    0xa79c,
-    0xa79e,
-    0xa7a0,
-    0xa7a2,
-    0xa7a4,
-    0xa7a6,
-    0xa7a8,
-    0x1d49c,
-    0x1d4a2,
-    0x1d546,
-    0x1d7ca,
+	0x0100,
+	0x0102,
+	0x0104,
+	0x0106,
+	0x0108,
+	0x010a,
+	0x010c,
+	0x010e,
+	0x0110,
+	0x0112,
+	0x0114,
+	0x0116,
+	0x0118,
+	0x011a,
+	0x011c,
+	0x011e,
+	0x0120,
+	0x0122,
+	0x0124,
+	0x0126,
+	0x0128,
+	0x012a,
+	0x012c,
+	0x012e,
+	0x0130,
+	0x0132,
+	0x0134,
+	0x0136,
+	0x0139,
+	0x013b,
+	0x013d,
+	0x013f,
+	0x0141,
+	0x0143,
+	0x0145,
+	0x0147,
+	0x014a,
+	0x014c,
+	0x014e,
+	0x0150,
+	0x0152,
+	0x0154,
+	0x0156,
+	0x0158,
+	0x015a,
+	0x015c,
+	0x015e,
+	0x0160,
+	0x0162,
+	0x0164,
+	0x0166,
+	0x0168,
+	0x016a,
+	0x016c,
+	0x016e,
+	0x0170,
+	0x0172,
+	0x0174,
+	0x0176,
+	0x017b,
+	0x017d,
+	0x0184,
+	0x01a2,
+	0x01a4,
+	0x01a9,
+	0x01ac,
+	0x01b5,
+	0x01bc,
+	0x01c4,
+	0x01c7,
+	0x01ca,
+	0x01cd,
+	0x01cf,
+	0x01d1,
+	0x01d3,
+	0x01d5,
+	0x01d7,
+	0x01d9,
+	0x01db,
+	0x01de,
+	0x01e0,
+	0x01e2,
+	0x01e4,
+	0x01e6,
+	0x01e8,
+	0x01ea,
+	0x01ec,
+	0x01ee,
+	0x01f1,
+	0x01f4,
+	0x01fa,
+	0x01fc,
+	0x01fe,
+	0x0200,
+	0x0202,
+	0x0204,
+	0x0206,
+	0x0208,
+	0x020a,
+	0x020c,
+	0x020e,
+	0x0210,
+	0x0212,
+	0x0214,
+	0x0216,
+	0x0218,
+	0x021a,
+	0x021c,
+	0x021e,
+	0x0220,
+	0x0222,
+	0x0224,
+	0x0226,
+	0x0228,
+	0x022a,
+	0x022c,
+	0x022e,
+	0x0230,
+	0x0232,
+	0x0241,
+	0x0248,
+	0x024a,
+	0x024c,
+	0x024e,
+	0x0370,
+	0x0372,
+	0x0376,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x03cf,
+	0x03d8,
+	0x03da,
+	0x03dc,
+	0x03de,
+	0x03e0,
+	0x03e2,
+	0x03e4,
+	0x03e6,
+	0x03e8,
+	0x03ea,
+	0x03ec,
+	0x03ee,
+	0x03f4,
+	0x03f7,
+	0x0460,
+	0x0462,
+	0x0464,
+	0x0466,
+	0x0468,
+	0x046a,
+	0x046c,
+	0x046e,
+	0x0470,
+	0x0472,
+	0x0474,
+	0x0476,
+	0x0478,
+	0x047a,
+	0x047c,
+	0x047e,
+	0x0480,
+	0x048a,
+	0x048c,
+	0x048e,
+	0x0490,
+	0x0492,
+	0x0494,
+	0x0496,
+	0x0498,
+	0x049a,
+	0x049c,
+	0x049e,
+	0x04a0,
+	0x04a2,
+	0x04a4,
+	0x04a6,
+	0x04a8,
+	0x04aa,
+	0x04ac,
+	0x04ae,
+	0x04b0,
+	0x04b2,
+	0x04b4,
+	0x04b6,
+	0x04b8,
+	0x04ba,
+	0x04bc,
+	0x04be,
+	0x04c3,
+	0x04c5,
+	0x04c7,
+	0x04c9,
+	0x04cb,
+	0x04cd,
+	0x04d0,
+	0x04d2,
+	0x04d4,
+	0x04d6,
+	0x04d8,
+	0x04da,
+	0x04dc,
+	0x04de,
+	0x04e0,
+	0x04e2,
+	0x04e4,
+	0x04e6,
+	0x04e8,
+	0x04ea,
+	0x04ec,
+	0x04ee,
+	0x04f0,
+	0x04f2,
+	0x04f4,
+	0x04f6,
+	0x04f8,
+	0x04fa,
+	0x04fc,
+	0x04fe,
+	0x0500,
+	0x0502,
+	0x0504,
+	0x0506,
+	0x0508,
+	0x050a,
+	0x050c,
+	0x050e,
+	0x0510,
+	0x0512,
+	0x0514,
+	0x0516,
+	0x0518,
+	0x051a,
+	0x051c,
+	0x051e,
+	0x0520,
+	0x0522,
+	0x0524,
+	0x0526,
+	0x0528,
+	0x052a,
+	0x052c,
+	0x052e,
+	0x10c7,
+	0x10cd,
+	0x1e00,
+	0x1e02,
+	0x1e04,
+	0x1e06,
+	0x1e08,
+	0x1e0a,
+	0x1e0c,
+	0x1e0e,
+	0x1e10,
+	0x1e12,
+	0x1e14,
+	0x1e16,
+	0x1e18,
+	0x1e1a,
+	0x1e1c,
+	0x1e1e,
+	0x1e20,
+	0x1e22,
+	0x1e24,
+	0x1e26,
+	0x1e28,
+	0x1e2a,
+	0x1e2c,
+	0x1e2e,
+	0x1e30,
+	0x1e32,
+	0x1e34,
+	0x1e36,
+	0x1e38,
+	0x1e3a,
+	0x1e3c,
+	0x1e3e,
+	0x1e40,
+	0x1e42,
+	0x1e44,
+	0x1e46,
+	0x1e48,
+	0x1e4a,
+	0x1e4c,
+	0x1e4e,
+	0x1e50,
+	0x1e52,
+	0x1e54,
+	0x1e56,
+	0x1e58,
+	0x1e5a,
+	0x1e5c,
+	0x1e5e,
+	0x1e60,
+	0x1e62,
+	0x1e64,
+	0x1e66,
+	0x1e68,
+	0x1e6a,
+	0x1e6c,
+	0x1e6e,
+	0x1e70,
+	0x1e72,
+	0x1e74,
+	0x1e76,
+	0x1e78,
+	0x1e7a,
+	0x1e7c,
+	0x1e7e,
+	0x1e80,
+	0x1e82,
+	0x1e84,
+	0x1e86,
+	0x1e88,
+	0x1e8a,
+	0x1e8c,
+	0x1e8e,
+	0x1e90,
+	0x1e92,
+	0x1e94,
+	0x1e9e,
+	0x1ea0,
+	0x1ea2,
+	0x1ea4,
+	0x1ea6,
+	0x1ea8,
+	0x1eaa,
+	0x1eac,
+	0x1eae,
+	0x1eb0,
+	0x1eb2,
+	0x1eb4,
+	0x1eb6,
+	0x1eb8,
+	0x1eba,
+	0x1ebc,
+	0x1ebe,
+	0x1ec0,
+	0x1ec2,
+	0x1ec4,
+	0x1ec6,
+	0x1ec8,
+	0x1eca,
+	0x1ecc,
+	0x1ece,
+	0x1ed0,
+	0x1ed2,
+	0x1ed4,
+	0x1ed6,
+	0x1ed8,
+	0x1eda,
+	0x1edc,
+	0x1ede,
+	0x1ee0,
+	0x1ee2,
+	0x1ee4,
+	0x1ee6,
+	0x1ee8,
+	0x1eea,
+	0x1eec,
+	0x1eee,
+	0x1ef0,
+	0x1ef2,
+	0x1ef4,
+	0x1ef6,
+	0x1ef8,
+	0x1efa,
+	0x1efc,
+	0x1efe,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1f5f,
+	0x2102,
+	0x2107,
+	0x2115,
+	0x2124,
+	0x2126,
+	0x2128,
+	0x2145,
+	0x2183,
+	0x2c60,
+	0x2c67,
+	0x2c69,
+	0x2c6b,
+	0x2c72,
+	0x2c75,
+	0x2c82,
+	0x2c84,
+	0x2c86,
+	0x2c88,
+	0x2c8a,
+	0x2c8c,
+	0x2c8e,
+	0x2c90,
+	0x2c92,
+	0x2c94,
+	0x2c96,
+	0x2c98,
+	0x2c9a,
+	0x2c9c,
+	0x2c9e,
+	0x2ca0,
+	0x2ca2,
+	0x2ca4,
+	0x2ca6,
+	0x2ca8,
+	0x2caa,
+	0x2cac,
+	0x2cae,
+	0x2cb0,
+	0x2cb2,
+	0x2cb4,
+	0x2cb6,
+	0x2cb8,
+	0x2cba,
+	0x2cbc,
+	0x2cbe,
+	0x2cc0,
+	0x2cc2,
+	0x2cc4,
+	0x2cc6,
+	0x2cc8,
+	0x2cca,
+	0x2ccc,
+	0x2cce,
+	0x2cd0,
+	0x2cd2,
+	0x2cd4,
+	0x2cd6,
+	0x2cd8,
+	0x2cda,
+	0x2cdc,
+	0x2cde,
+	0x2ce0,
+	0x2ce2,
+	0x2ceb,
+	0x2ced,
+	0x2cf2,
+	0xa640,
+	0xa642,
+	0xa644,
+	0xa646,
+	0xa648,
+	0xa64a,
+	0xa64c,
+	0xa64e,
+	0xa650,
+	0xa652,
+	0xa654,
+	0xa656,
+	0xa658,
+	0xa65a,
+	0xa65c,
+	0xa65e,
+	0xa660,
+	0xa662,
+	0xa664,
+	0xa666,
+	0xa668,
+	0xa66a,
+	0xa66c,
+	0xa680,
+	0xa682,
+	0xa684,
+	0xa686,
+	0xa688,
+	0xa68a,
+	0xa68c,
+	0xa68e,
+	0xa690,
+	0xa692,
+	0xa694,
+	0xa696,
+	0xa698,
+	0xa69a,
+	0xa722,
+	0xa724,
+	0xa726,
+	0xa728,
+	0xa72a,
+	0xa72c,
+	0xa72e,
+	0xa732,
+	0xa734,
+	0xa736,
+	0xa738,
+	0xa73a,
+	0xa73c,
+	0xa73e,
+	0xa740,
+	0xa742,
+	0xa744,
+	0xa746,
+	0xa748,
+	0xa74a,
+	0xa74c,
+	0xa74e,
+	0xa750,
+	0xa752,
+	0xa754,
+	0xa756,
+	0xa758,
+	0xa75a,
+	0xa75c,
+	0xa75e,
+	0xa760,
+	0xa762,
+	0xa764,
+	0xa766,
+	0xa768,
+	0xa76a,
+	0xa76c,
+	0xa76e,
+	0xa779,
+	0xa77b,
+	0xa780,
+	0xa782,
+	0xa784,
+	0xa786,
+	0xa78b,
+	0xa78d,
+	0xa790,
+	0xa792,
+	0xa796,
+	0xa798,
+	0xa79a,
+	0xa79c,
+	0xa79e,
+	0xa7a0,
+	0xa7a2,
+	0xa7a4,
+	0xa7a6,
+	0xa7a8,
+	0x1d49c,
+	0x1d4a2,
+	0x1d546,
+	0x1d7ca,
 };
 
 } // !namespace
 
-bool isupper(char32_t c) noexcept
+auto isupper(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, isupperr, nelem (isupperr) / 2, 2);
+	p = search(c, isupperr, nelem (isupperr) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    p = rbsearch(c, isuppers, nelem (isuppers), 1);
+	p = search(c, isuppers, nelem (isuppers), 1);
 
-    if (p && c == p[0])
-        return true;
+	if (p && c == p[0])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t islowerr[] = {
-    0x0061, 0x007a,
-    0x00df, 0x00f6,
-    0x00f8, 0x00ff,
-    0x0137, 0x0138,
-    0x0148, 0x0149,
-    0x017e, 0x0180,
-    0x018c, 0x018d,
-    0x0199, 0x019b,
-    0x01aa, 0x01ab,
-    0x01b9, 0x01ba,
-    0x01bd, 0x01bf,
-    0x01dc, 0x01dd,
-    0x01ef, 0x01f0,
-    0x0233, 0x0239,
-    0x023f, 0x0240,
-    0x024f, 0x0293,
-    0x0295, 0x02af,
-    0x037b, 0x037d,
-    0x03ac, 0x03ce,
-    0x03d0, 0x03d1,
-    0x03d5, 0x03d7,
-    0x03ef, 0x03f3,
-    0x03fb, 0x03fc,
-    0x0430, 0x045f,
-    0x04ce, 0x04cf,
-    0x0561, 0x0587,
-    0x1d00, 0x1d2b,
-    0x1d6b, 0x1d77,
-    0x1d79, 0x1d9a,
-    0x1e95, 0x1e9d,
-    0x1eff, 0x1f07,
-    0x1f10, 0x1f15,
-    0x1f20, 0x1f27,
-    0x1f30, 0x1f37,
-    0x1f40, 0x1f45,
-    0x1f50, 0x1f57,
-    0x1f60, 0x1f67,
-    0x1f70, 0x1f7d,
-    0x1f80, 0x1f87,
-    0x1f90, 0x1f97,
-    0x1fa0, 0x1fa7,
-    0x1fb0, 0x1fb4,
-    0x1fb6, 0x1fb7,
-    0x1fc2, 0x1fc4,
-    0x1fc6, 0x1fc7,
-    0x1fd0, 0x1fd3,
-    0x1fd6, 0x1fd7,
-    0x1fe0, 0x1fe7,
-    0x1ff2, 0x1ff4,
-    0x1ff6, 0x1ff7,
-    0x210e, 0x210f,
-    0x213c, 0x213d,
-    0x2146, 0x2149,
-    0x2170, 0x217f,
-    0x24d0, 0x24e9,
-    0x2c30, 0x2c5e,
-    0x2c65, 0x2c66,
-    0x2c73, 0x2c74,
-    0x2c76, 0x2c7b,
-    0x2ce3, 0x2ce4,
-    0x2d00, 0x2d25,
-    0xa72f, 0xa731,
-    0xa771, 0xa778,
-    0xa793, 0xa795,
-    0xab30, 0xab5a,
-    0xab64, 0xab65,
-    0xfb00, 0xfb06,
-    0xfb13, 0xfb17,
-    0xff41, 0xff5a,
-    0x10428, 0x1044f,
-    0x118c0, 0x118df,
-    0x1d41a, 0x1d433,
-    0x1d44e, 0x1d454,
-    0x1d456, 0x1d467,
-    0x1d482, 0x1d49b,
-    0x1d4b6, 0x1d4b9,
-    0x1d4bd, 0x1d4c3,
-    0x1d4c5, 0x1d4cf,
-    0x1d4ea, 0x1d503,
-    0x1d51e, 0x1d537,
-    0x1d552, 0x1d56b,
-    0x1d586, 0x1d59f,
-    0x1d5ba, 0x1d5d3,
-    0x1d5ee, 0x1d607,
-    0x1d622, 0x1d63b,
-    0x1d656, 0x1d66f,
-    0x1d68a, 0x1d6a5,
-    0x1d6c2, 0x1d6da,
-    0x1d6dc, 0x1d6e1,
-    0x1d6fc, 0x1d714,
-    0x1d716, 0x1d71b,
-    0x1d736, 0x1d74e,
-    0x1d750, 0x1d755,
-    0x1d770, 0x1d788,
-    0x1d78a, 0x1d78f,
-    0x1d7aa, 0x1d7c2,
-    0x1d7c4, 0x1d7c9,
+	0x0061, 0x007a,
+	0x00df, 0x00f6,
+	0x00f8, 0x00ff,
+	0x0137, 0x0138,
+	0x0148, 0x0149,
+	0x017e, 0x0180,
+	0x018c, 0x018d,
+	0x0199, 0x019b,
+	0x01aa, 0x01ab,
+	0x01b9, 0x01ba,
+	0x01bd, 0x01bf,
+	0x01dc, 0x01dd,
+	0x01ef, 0x01f0,
+	0x0233, 0x0239,
+	0x023f, 0x0240,
+	0x024f, 0x0293,
+	0x0295, 0x02af,
+	0x037b, 0x037d,
+	0x03ac, 0x03ce,
+	0x03d0, 0x03d1,
+	0x03d5, 0x03d7,
+	0x03ef, 0x03f3,
+	0x03fb, 0x03fc,
+	0x0430, 0x045f,
+	0x04ce, 0x04cf,
+	0x0561, 0x0587,
+	0x1d00, 0x1d2b,
+	0x1d6b, 0x1d77,
+	0x1d79, 0x1d9a,
+	0x1e95, 0x1e9d,
+	0x1eff, 0x1f07,
+	0x1f10, 0x1f15,
+	0x1f20, 0x1f27,
+	0x1f30, 0x1f37,
+	0x1f40, 0x1f45,
+	0x1f50, 0x1f57,
+	0x1f60, 0x1f67,
+	0x1f70, 0x1f7d,
+	0x1f80, 0x1f87,
+	0x1f90, 0x1f97,
+	0x1fa0, 0x1fa7,
+	0x1fb0, 0x1fb4,
+	0x1fb6, 0x1fb7,
+	0x1fc2, 0x1fc4,
+	0x1fc6, 0x1fc7,
+	0x1fd0, 0x1fd3,
+	0x1fd6, 0x1fd7,
+	0x1fe0, 0x1fe7,
+	0x1ff2, 0x1ff4,
+	0x1ff6, 0x1ff7,
+	0x210e, 0x210f,
+	0x213c, 0x213d,
+	0x2146, 0x2149,
+	0x2170, 0x217f,
+	0x24d0, 0x24e9,
+	0x2c30, 0x2c5e,
+	0x2c65, 0x2c66,
+	0x2c73, 0x2c74,
+	0x2c76, 0x2c7b,
+	0x2ce3, 0x2ce4,
+	0x2d00, 0x2d25,
+	0xa72f, 0xa731,
+	0xa771, 0xa778,
+	0xa793, 0xa795,
+	0xab30, 0xab5a,
+	0xab64, 0xab65,
+	0xfb00, 0xfb06,
+	0xfb13, 0xfb17,
+	0xff41, 0xff5a,
+	0x10428, 0x1044f,
+	0x118c0, 0x118df,
+	0x1d41a, 0x1d433,
+	0x1d44e, 0x1d454,
+	0x1d456, 0x1d467,
+	0x1d482, 0x1d49b,
+	0x1d4b6, 0x1d4b9,
+	0x1d4bd, 0x1d4c3,
+	0x1d4c5, 0x1d4cf,
+	0x1d4ea, 0x1d503,
+	0x1d51e, 0x1d537,
+	0x1d552, 0x1d56b,
+	0x1d586, 0x1d59f,
+	0x1d5ba, 0x1d5d3,
+	0x1d5ee, 0x1d607,
+	0x1d622, 0x1d63b,
+	0x1d656, 0x1d66f,
+	0x1d68a, 0x1d6a5,
+	0x1d6c2, 0x1d6da,
+	0x1d6dc, 0x1d6e1,
+	0x1d6fc, 0x1d714,
+	0x1d716, 0x1d71b,
+	0x1d736, 0x1d74e,
+	0x1d750, 0x1d755,
+	0x1d770, 0x1d788,
+	0x1d78a, 0x1d78f,
+	0x1d7aa, 0x1d7c2,
+	0x1d7c4, 0x1d7c9,
 };
 
 } // !namespace
@@ -1485,615 +1485,615 @@
 namespace {
 
 const char32_t islowers[] = {
-    0x00b5,
-    0x0101,
-    0x0103,
-    0x0105,
-    0x0107,
-    0x0109,
-    0x010b,
-    0x010d,
-    0x010f,
-    0x0111,
-    0x0113,
-    0x0115,
-    0x0117,
-    0x0119,
-    0x011b,
-    0x011d,
-    0x011f,
-    0x0121,
-    0x0123,
-    0x0125,
-    0x0127,
-    0x0129,
-    0x012b,
-    0x012d,
-    0x012f,
-    0x0131,
-    0x0133,
-    0x0135,
-    0x013a,
-    0x013c,
-    0x013e,
-    0x0140,
-    0x0142,
-    0x0144,
-    0x0146,
-    0x014b,
-    0x014d,
-    0x014f,
-    0x0151,
-    0x0153,
-    0x0155,
-    0x0157,
-    0x0159,
-    0x015b,
-    0x015d,
-    0x015f,
-    0x0161,
-    0x0163,
-    0x0165,
-    0x0167,
-    0x0169,
-    0x016b,
-    0x016d,
-    0x016f,
-    0x0171,
-    0x0173,
-    0x0175,
-    0x0177,
-    0x017a,
-    0x017c,
-    0x0183,
-    0x0185,
-    0x0188,
-    0x0192,
-    0x0195,
-    0x019e,
-    0x01a1,
-    0x01a3,
-    0x01a5,
-    0x01a8,
-    0x01ad,
-    0x01b0,
-    0x01b4,
-    0x01b6,
-    0x01c6,
-    0x01c9,
-    0x01cc,
-    0x01ce,
-    0x01d0,
-    0x01d2,
-    0x01d4,
-    0x01d6,
-    0x01d8,
-    0x01da,
-    0x01df,
-    0x01e1,
-    0x01e3,
-    0x01e5,
-    0x01e7,
-    0x01e9,
-    0x01eb,
-    0x01ed,
-    0x01f3,
-    0x01f5,
-    0x01f9,
-    0x01fb,
-    0x01fd,
-    0x01ff,
-    0x0201,
-    0x0203,
-    0x0205,
-    0x0207,
-    0x0209,
-    0x020b,
-    0x020d,
-    0x020f,
-    0x0211,
-    0x0213,
-    0x0215,
-    0x0217,
-    0x0219,
-    0x021b,
-    0x021d,
-    0x021f,
-    0x0221,
-    0x0223,
-    0x0225,
-    0x0227,
-    0x0229,
-    0x022b,
-    0x022d,
-    0x022f,
-    0x0231,
-    0x023c,
-    0x0242,
-    0x0247,
-    0x0249,
-    0x024b,
-    0x024d,
-    0x0371,
-    0x0373,
-    0x0377,
-    0x0390,
-    0x03d9,
-    0x03db,
-    0x03dd,
-    0x03df,
-    0x03e1,
-    0x03e3,
-    0x03e5,
-    0x03e7,
-    0x03e9,
-    0x03eb,
-    0x03ed,
-    0x03f5,
-    0x03f8,
-    0x0461,
-    0x0463,
-    0x0465,
-    0x0467,
-    0x0469,
-    0x046b,
-    0x046d,
-    0x046f,
-    0x0471,
-    0x0473,
-    0x0475,
-    0x0477,
-    0x0479,
-    0x047b,
-    0x047d,
-    0x047f,
-    0x0481,
-    0x048b,
-    0x048d,
-    0x048f,
-    0x0491,
-    0x0493,
-    0x0495,
-    0x0497,
-    0x0499,
-    0x049b,
-    0x049d,
-    0x049f,
-    0x04a1,
-    0x04a3,
-    0x04a5,
-    0x04a7,
-    0x04a9,
-    0x04ab,
-    0x04ad,
-    0x04af,
-    0x04b1,
-    0x04b3,
-    0x04b5,
-    0x04b7,
-    0x04b9,
-    0x04bb,
-    0x04bd,
-    0x04bf,
-    0x04c2,
-    0x04c4,
-    0x04c6,
-    0x04c8,
-    0x04ca,
-    0x04cc,
-    0x04d1,
-    0x04d3,
-    0x04d5,
-    0x04d7,
-    0x04d9,
-    0x04db,
-    0x04dd,
-    0x04df,
-    0x04e1,
-    0x04e3,
-    0x04e5,
-    0x04e7,
-    0x04e9,
-    0x04eb,
-    0x04ed,
-    0x04ef,
-    0x04f1,
-    0x04f3,
-    0x04f5,
-    0x04f7,
-    0x04f9,
-    0x04fb,
-    0x04fd,
-    0x04ff,
-    0x0501,
-    0x0503,
-    0x0505,
-    0x0507,
-    0x0509,
-    0x050b,
-    0x050d,
-    0x050f,
-    0x0511,
-    0x0513,
-    0x0515,
-    0x0517,
-    0x0519,
-    0x051b,
-    0x051d,
-    0x051f,
-    0x0521,
-    0x0523,
-    0x0525,
-    0x0527,
-    0x0529,
-    0x052b,
-    0x052d,
-    0x052f,
-    0x1e01,
-    0x1e03,
-    0x1e05,
-    0x1e07,
-    0x1e09,
-    0x1e0b,
-    0x1e0d,
-    0x1e0f,
-    0x1e11,
-    0x1e13,
-    0x1e15,
-    0x1e17,
-    0x1e19,
-    0x1e1b,
-    0x1e1d,
-    0x1e1f,
-    0x1e21,
-    0x1e23,
-    0x1e25,
-    0x1e27,
-    0x1e29,
-    0x1e2b,
-    0x1e2d,
-    0x1e2f,
-    0x1e31,
-    0x1e33,
-    0x1e35,
-    0x1e37,
-    0x1e39,
-    0x1e3b,
-    0x1e3d,
-    0x1e3f,
-    0x1e41,
-    0x1e43,
-    0x1e45,
-    0x1e47,
-    0x1e49,
-    0x1e4b,
-    0x1e4d,
-    0x1e4f,
-    0x1e51,
-    0x1e53,
-    0x1e55,
-    0x1e57,
-    0x1e59,
-    0x1e5b,
-    0x1e5d,
-    0x1e5f,
-    0x1e61,
-    0x1e63,
-    0x1e65,
-    0x1e67,
-    0x1e69,
-    0x1e6b,
-    0x1e6d,
-    0x1e6f,
-    0x1e71,
-    0x1e73,
-    0x1e75,
-    0x1e77,
-    0x1e79,
-    0x1e7b,
-    0x1e7d,
-    0x1e7f,
-    0x1e81,
-    0x1e83,
-    0x1e85,
-    0x1e87,
-    0x1e89,
-    0x1e8b,
-    0x1e8d,
-    0x1e8f,
-    0x1e91,
-    0x1e93,
-    0x1e9f,
-    0x1ea1,
-    0x1ea3,
-    0x1ea5,
-    0x1ea7,
-    0x1ea9,
-    0x1eab,
-    0x1ead,
-    0x1eaf,
-    0x1eb1,
-    0x1eb3,
-    0x1eb5,
-    0x1eb7,
-    0x1eb9,
-    0x1ebb,
-    0x1ebd,
-    0x1ebf,
-    0x1ec1,
-    0x1ec3,
-    0x1ec5,
-    0x1ec7,
-    0x1ec9,
-    0x1ecb,
-    0x1ecd,
-    0x1ecf,
-    0x1ed1,
-    0x1ed3,
-    0x1ed5,
-    0x1ed7,
-    0x1ed9,
-    0x1edb,
-    0x1edd,
-    0x1edf,
-    0x1ee1,
-    0x1ee3,
-    0x1ee5,
-    0x1ee7,
-    0x1ee9,
-    0x1eeb,
-    0x1eed,
-    0x1eef,
-    0x1ef1,
-    0x1ef3,
-    0x1ef5,
-    0x1ef7,
-    0x1ef9,
-    0x1efb,
-    0x1efd,
-    0x1fbe,
-    0x210a,
-    0x2113,
-    0x212f,
-    0x2134,
-    0x2139,
-    0x214e,
-    0x2184,
-    0x2c61,
-    0x2c68,
-    0x2c6a,
-    0x2c6c,
-    0x2c71,
-    0x2c81,
-    0x2c83,
-    0x2c85,
-    0x2c87,
-    0x2c89,
-    0x2c8b,
-    0x2c8d,
-    0x2c8f,
-    0x2c91,
-    0x2c93,
-    0x2c95,
-    0x2c97,
-    0x2c99,
-    0x2c9b,
-    0x2c9d,
-    0x2c9f,
-    0x2ca1,
-    0x2ca3,
-    0x2ca5,
-    0x2ca7,
-    0x2ca9,
-    0x2cab,
-    0x2cad,
-    0x2caf,
-    0x2cb1,
-    0x2cb3,
-    0x2cb5,
-    0x2cb7,
-    0x2cb9,
-    0x2cbb,
-    0x2cbd,
-    0x2cbf,
-    0x2cc1,
-    0x2cc3,
-    0x2cc5,
-    0x2cc7,
-    0x2cc9,
-    0x2ccb,
-    0x2ccd,
-    0x2ccf,
-    0x2cd1,
-    0x2cd3,
-    0x2cd5,
-    0x2cd7,
-    0x2cd9,
-    0x2cdb,
-    0x2cdd,
-    0x2cdf,
-    0x2ce1,
-    0x2cec,
-    0x2cee,
-    0x2cf3,
-    0x2d27,
-    0x2d2d,
-    0xa641,
-    0xa643,
-    0xa645,
-    0xa647,
-    0xa649,
-    0xa64b,
-    0xa64d,
-    0xa64f,
-    0xa651,
-    0xa653,
-    0xa655,
-    0xa657,
-    0xa659,
-    0xa65b,
-    0xa65d,
-    0xa65f,
-    0xa661,
-    0xa663,
-    0xa665,
-    0xa667,
-    0xa669,
-    0xa66b,
-    0xa66d,
-    0xa681,
-    0xa683,
-    0xa685,
-    0xa687,
-    0xa689,
-    0xa68b,
-    0xa68d,
-    0xa68f,
-    0xa691,
-    0xa693,
-    0xa695,
-    0xa697,
-    0xa699,
-    0xa69b,
-    0xa723,
-    0xa725,
-    0xa727,
-    0xa729,
-    0xa72b,
-    0xa72d,
-    0xa733,
-    0xa735,
-    0xa737,
-    0xa739,
-    0xa73b,
-    0xa73d,
-    0xa73f,
-    0xa741,
-    0xa743,
-    0xa745,
-    0xa747,
-    0xa749,
-    0xa74b,
-    0xa74d,
-    0xa74f,
-    0xa751,
-    0xa753,
-    0xa755,
-    0xa757,
-    0xa759,
-    0xa75b,
-    0xa75d,
-    0xa75f,
-    0xa761,
-    0xa763,
-    0xa765,
-    0xa767,
-    0xa769,
-    0xa76b,
-    0xa76d,
-    0xa76f,
-    0xa77a,
-    0xa77c,
-    0xa77f,
-    0xa781,
-    0xa783,
-    0xa785,
-    0xa787,
-    0xa78c,
-    0xa78e,
-    0xa791,
-    0xa797,
-    0xa799,
-    0xa79b,
-    0xa79d,
-    0xa79f,
-    0xa7a1,
-    0xa7a3,
-    0xa7a5,
-    0xa7a7,
-    0xa7a9,
-    0xa7fa,
-    0x1d4bb,
-    0x1d7cb,
+	0x00b5,
+	0x0101,
+	0x0103,
+	0x0105,
+	0x0107,
+	0x0109,
+	0x010b,
+	0x010d,
+	0x010f,
+	0x0111,
+	0x0113,
+	0x0115,
+	0x0117,
+	0x0119,
+	0x011b,
+	0x011d,
+	0x011f,
+	0x0121,
+	0x0123,
+	0x0125,
+	0x0127,
+	0x0129,
+	0x012b,
+	0x012d,
+	0x012f,
+	0x0131,
+	0x0133,
+	0x0135,
+	0x013a,
+	0x013c,
+	0x013e,
+	0x0140,
+	0x0142,
+	0x0144,
+	0x0146,
+	0x014b,
+	0x014d,
+	0x014f,
+	0x0151,
+	0x0153,
+	0x0155,
+	0x0157,
+	0x0159,
+	0x015b,
+	0x015d,
+	0x015f,
+	0x0161,
+	0x0163,
+	0x0165,
+	0x0167,
+	0x0169,
+	0x016b,
+	0x016d,
+	0x016f,
+	0x0171,
+	0x0173,
+	0x0175,
+	0x0177,
+	0x017a,
+	0x017c,
+	0x0183,
+	0x0185,
+	0x0188,
+	0x0192,
+	0x0195,
+	0x019e,
+	0x01a1,
+	0x01a3,
+	0x01a5,
+	0x01a8,
+	0x01ad,
+	0x01b0,
+	0x01b4,
+	0x01b6,
+	0x01c6,
+	0x01c9,
+	0x01cc,
+	0x01ce,
+	0x01d0,
+	0x01d2,
+	0x01d4,
+	0x01d6,
+	0x01d8,
+	0x01da,
+	0x01df,
+	0x01e1,
+	0x01e3,
+	0x01e5,
+	0x01e7,
+	0x01e9,
+	0x01eb,
+	0x01ed,
+	0x01f3,
+	0x01f5,
+	0x01f9,
+	0x01fb,
+	0x01fd,
+	0x01ff,
+	0x0201,
+	0x0203,
+	0x0205,
+	0x0207,
+	0x0209,
+	0x020b,
+	0x020d,
+	0x020f,
+	0x0211,
+	0x0213,
+	0x0215,
+	0x0217,
+	0x0219,
+	0x021b,
+	0x021d,
+	0x021f,
+	0x0221,
+	0x0223,
+	0x0225,
+	0x0227,
+	0x0229,
+	0x022b,
+	0x022d,
+	0x022f,
+	0x0231,
+	0x023c,
+	0x0242,
+	0x0247,
+	0x0249,
+	0x024b,
+	0x024d,
+	0x0371,
+	0x0373,
+	0x0377,
+	0x0390,
+	0x03d9,
+	0x03db,
+	0x03dd,
+	0x03df,
+	0x03e1,
+	0x03e3,
+	0x03e5,
+	0x03e7,
+	0x03e9,
+	0x03eb,
+	0x03ed,
+	0x03f5,
+	0x03f8,
+	0x0461,
+	0x0463,
+	0x0465,
+	0x0467,
+	0x0469,
+	0x046b,
+	0x046d,
+	0x046f,
+	0x0471,
+	0x0473,
+	0x0475,
+	0x0477,
+	0x0479,
+	0x047b,
+	0x047d,
+	0x047f,
+	0x0481,
+	0x048b,
+	0x048d,
+	0x048f,
+	0x0491,
+	0x0493,
+	0x0495,
+	0x0497,
+	0x0499,
+	0x049b,
+	0x049d,
+	0x049f,
+	0x04a1,
+	0x04a3,
+	0x04a5,
+	0x04a7,
+	0x04a9,
+	0x04ab,
+	0x04ad,
+	0x04af,
+	0x04b1,
+	0x04b3,
+	0x04b5,
+	0x04b7,
+	0x04b9,
+	0x04bb,
+	0x04bd,
+	0x04bf,
+	0x04c2,
+	0x04c4,
+	0x04c6,
+	0x04c8,
+	0x04ca,
+	0x04cc,
+	0x04d1,
+	0x04d3,
+	0x04d5,
+	0x04d7,
+	0x04d9,
+	0x04db,
+	0x04dd,
+	0x04df,
+	0x04e1,
+	0x04e3,
+	0x04e5,
+	0x04e7,
+	0x04e9,
+	0x04eb,
+	0x04ed,
+	0x04ef,
+	0x04f1,
+	0x04f3,
+	0x04f5,
+	0x04f7,
+	0x04f9,
+	0x04fb,
+	0x04fd,
+	0x04ff,
+	0x0501,
+	0x0503,
+	0x0505,
+	0x0507,
+	0x0509,
+	0x050b,
+	0x050d,
+	0x050f,
+	0x0511,
+	0x0513,
+	0x0515,
+	0x0517,
+	0x0519,
+	0x051b,
+	0x051d,
+	0x051f,
+	0x0521,
+	0x0523,
+	0x0525,
+	0x0527,
+	0x0529,
+	0x052b,
+	0x052d,
+	0x052f,
+	0x1e01,
+	0x1e03,
+	0x1e05,
+	0x1e07,
+	0x1e09,
+	0x1e0b,
+	0x1e0d,
+	0x1e0f,
+	0x1e11,
+	0x1e13,
+	0x1e15,
+	0x1e17,
+	0x1e19,
+	0x1e1b,
+	0x1e1d,
+	0x1e1f,
+	0x1e21,
+	0x1e23,
+	0x1e25,
+	0x1e27,
+	0x1e29,
+	0x1e2b,
+	0x1e2d,
+	0x1e2f,
+	0x1e31,
+	0x1e33,
+	0x1e35,
+	0x1e37,
+	0x1e39,
+	0x1e3b,
+	0x1e3d,
+	0x1e3f,
+	0x1e41,
+	0x1e43,
+	0x1e45,
+	0x1e47,
+	0x1e49,
+	0x1e4b,
+	0x1e4d,
+	0x1e4f,
+	0x1e51,
+	0x1e53,
+	0x1e55,
+	0x1e57,
+	0x1e59,
+	0x1e5b,
+	0x1e5d,
+	0x1e5f,
+	0x1e61,
+	0x1e63,
+	0x1e65,
+	0x1e67,
+	0x1e69,
+	0x1e6b,
+	0x1e6d,
+	0x1e6f,
+	0x1e71,
+	0x1e73,
+	0x1e75,
+	0x1e77,
+	0x1e79,
+	0x1e7b,
+	0x1e7d,
+	0x1e7f,
+	0x1e81,
+	0x1e83,
+	0x1e85,
+	0x1e87,
+	0x1e89,
+	0x1e8b,
+	0x1e8d,
+	0x1e8f,
+	0x1e91,
+	0x1e93,
+	0x1e9f,
+	0x1ea1,
+	0x1ea3,
+	0x1ea5,
+	0x1ea7,
+	0x1ea9,
+	0x1eab,
+	0x1ead,
+	0x1eaf,
+	0x1eb1,
+	0x1eb3,
+	0x1eb5,
+	0x1eb7,
+	0x1eb9,
+	0x1ebb,
+	0x1ebd,
+	0x1ebf,
+	0x1ec1,
+	0x1ec3,
+	0x1ec5,
+	0x1ec7,
+	0x1ec9,
+	0x1ecb,
+	0x1ecd,
+	0x1ecf,
+	0x1ed1,
+	0x1ed3,
+	0x1ed5,
+	0x1ed7,
+	0x1ed9,
+	0x1edb,
+	0x1edd,
+	0x1edf,
+	0x1ee1,
+	0x1ee3,
+	0x1ee5,
+	0x1ee7,
+	0x1ee9,
+	0x1eeb,
+	0x1eed,
+	0x1eef,
+	0x1ef1,
+	0x1ef3,
+	0x1ef5,
+	0x1ef7,
+	0x1ef9,
+	0x1efb,
+	0x1efd,
+	0x1fbe,
+	0x210a,
+	0x2113,
+	0x212f,
+	0x2134,
+	0x2139,
+	0x214e,
+	0x2184,
+	0x2c61,
+	0x2c68,
+	0x2c6a,
+	0x2c6c,
+	0x2c71,
+	0x2c81,
+	0x2c83,
+	0x2c85,
+	0x2c87,
+	0x2c89,
+	0x2c8b,
+	0x2c8d,
+	0x2c8f,
+	0x2c91,
+	0x2c93,
+	0x2c95,
+	0x2c97,
+	0x2c99,
+	0x2c9b,
+	0x2c9d,
+	0x2c9f,
+	0x2ca1,
+	0x2ca3,
+	0x2ca5,
+	0x2ca7,
+	0x2ca9,
+	0x2cab,
+	0x2cad,
+	0x2caf,
+	0x2cb1,
+	0x2cb3,
+	0x2cb5,
+	0x2cb7,
+	0x2cb9,
+	0x2cbb,
+	0x2cbd,
+	0x2cbf,
+	0x2cc1,
+	0x2cc3,
+	0x2cc5,
+	0x2cc7,
+	0x2cc9,
+	0x2ccb,
+	0x2ccd,
+	0x2ccf,
+	0x2cd1,
+	0x2cd3,
+	0x2cd5,
+	0x2cd7,
+	0x2cd9,
+	0x2cdb,
+	0x2cdd,
+	0x2cdf,
+	0x2ce1,
+	0x2cec,
+	0x2cee,
+	0x2cf3,
+	0x2d27,
+	0x2d2d,
+	0xa641,
+	0xa643,
+	0xa645,
+	0xa647,
+	0xa649,
+	0xa64b,
+	0xa64d,
+	0xa64f,
+	0xa651,
+	0xa653,
+	0xa655,
+	0xa657,
+	0xa659,
+	0xa65b,
+	0xa65d,
+	0xa65f,
+	0xa661,
+	0xa663,
+	0xa665,
+	0xa667,
+	0xa669,
+	0xa66b,
+	0xa66d,
+	0xa681,
+	0xa683,
+	0xa685,
+	0xa687,
+	0xa689,
+	0xa68b,
+	0xa68d,
+	0xa68f,
+	0xa691,
+	0xa693,
+	0xa695,
+	0xa697,
+	0xa699,
+	0xa69b,
+	0xa723,
+	0xa725,
+	0xa727,
+	0xa729,
+	0xa72b,
+	0xa72d,
+	0xa733,
+	0xa735,
+	0xa737,
+	0xa739,
+	0xa73b,
+	0xa73d,
+	0xa73f,
+	0xa741,
+	0xa743,
+	0xa745,
+	0xa747,
+	0xa749,
+	0xa74b,
+	0xa74d,
+	0xa74f,
+	0xa751,
+	0xa753,
+	0xa755,
+	0xa757,
+	0xa759,
+	0xa75b,
+	0xa75d,
+	0xa75f,
+	0xa761,
+	0xa763,
+	0xa765,
+	0xa767,
+	0xa769,
+	0xa76b,
+	0xa76d,
+	0xa76f,
+	0xa77a,
+	0xa77c,
+	0xa77f,
+	0xa781,
+	0xa783,
+	0xa785,
+	0xa787,
+	0xa78c,
+	0xa78e,
+	0xa791,
+	0xa797,
+	0xa799,
+	0xa79b,
+	0xa79d,
+	0xa79f,
+	0xa7a1,
+	0xa7a3,
+	0xa7a5,
+	0xa7a7,
+	0xa7a9,
+	0xa7fa,
+	0x1d4bb,
+	0x1d7cb,
 };
 
 } // !namespace
 
-bool islower(char32_t c) noexcept
+auto islower(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, islowerr, nelem (islowerr) / 2, 2);
+	p = search(c, islowerr, nelem (islowerr) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    p = rbsearch(c, islowers, nelem (islowers), 1);
+	p = search(c, islowers, nelem (islowers), 1);
 
-    if (p && c == p[0])
-        return true;
+	if (p && c == p[0])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t istitler[] = {
-    0x0041, 0x005a,
-    0x00c0, 0x00d6,
-    0x00d8, 0x00de,
-    0x0178, 0x0179,
-    0x0181, 0x0182,
-    0x0186, 0x0187,
-    0x0189, 0x018b,
-    0x018e, 0x0191,
-    0x0193, 0x0194,
-    0x0196, 0x0198,
-    0x019c, 0x019d,
-    0x019f, 0x01a0,
-    0x01a6, 0x01a7,
-    0x01ae, 0x01af,
-    0x01b1, 0x01b3,
-    0x01b7, 0x01b8,
-    0x01f6, 0x01f8,
-    0x023a, 0x023b,
-    0x023d, 0x023e,
-    0x0243, 0x0246,
-    0x0388, 0x038a,
-    0x038e, 0x038f,
-    0x0391, 0x03a1,
-    0x03a3, 0x03ab,
-    0x03f9, 0x03fa,
-    0x03fd, 0x042f,
-    0x04c0, 0x04c1,
-    0x0531, 0x0556,
-    0x10a0, 0x10c5,
-    0x1f08, 0x1f0f,
-    0x1f18, 0x1f1d,
-    0x1f28, 0x1f2f,
-    0x1f38, 0x1f3f,
-    0x1f48, 0x1f4d,
-    0x1f68, 0x1f6f,
-    0x1f88, 0x1f8f,
-    0x1f98, 0x1f9f,
-    0x1fa8, 0x1faf,
-    0x1fb8, 0x1fbc,
-    0x1fc8, 0x1fcc,
-    0x1fd8, 0x1fdb,
-    0x1fe8, 0x1fec,
-    0x1ff8, 0x1ffc,
-    0x2160, 0x216f,
-    0x24b6, 0x24cf,
-    0x2c00, 0x2c2e,
-    0x2c62, 0x2c64,
-    0x2c6d, 0x2c70,
-    0x2c7e, 0x2c80,
-    0xa77d, 0xa77e,
-    0xa7aa, 0xa7ad,
-    0xa7b0, 0xa7b1,
-    0xff21, 0xff3a,
-    0x10400, 0x10427,
-    0x118a0, 0x118bf,
+	0x0041, 0x005a,
+	0x00c0, 0x00d6,
+	0x00d8, 0x00de,
+	0x0178, 0x0179,
+	0x0181, 0x0182,
+	0x0186, 0x0187,
+	0x0189, 0x018b,
+	0x018e, 0x0191,
+	0x0193, 0x0194,
+	0x0196, 0x0198,
+	0x019c, 0x019d,
+	0x019f, 0x01a0,
+	0x01a6, 0x01a7,
+	0x01ae, 0x01af,
+	0x01b1, 0x01b3,
+	0x01b7, 0x01b8,
+	0x01f6, 0x01f8,
+	0x023a, 0x023b,
+	0x023d, 0x023e,
+	0x0243, 0x0246,
+	0x0388, 0x038a,
+	0x038e, 0x038f,
+	0x0391, 0x03a1,
+	0x03a3, 0x03ab,
+	0x03f9, 0x03fa,
+	0x03fd, 0x042f,
+	0x04c0, 0x04c1,
+	0x0531, 0x0556,
+	0x10a0, 0x10c5,
+	0x1f08, 0x1f0f,
+	0x1f18, 0x1f1d,
+	0x1f28, 0x1f2f,
+	0x1f38, 0x1f3f,
+	0x1f48, 0x1f4d,
+	0x1f68, 0x1f6f,
+	0x1f88, 0x1f8f,
+	0x1f98, 0x1f9f,
+	0x1fa8, 0x1faf,
+	0x1fb8, 0x1fbc,
+	0x1fc8, 0x1fcc,
+	0x1fd8, 0x1fdb,
+	0x1fe8, 0x1fec,
+	0x1ff8, 0x1ffc,
+	0x2160, 0x216f,
+	0x24b6, 0x24cf,
+	0x2c00, 0x2c2e,
+	0x2c62, 0x2c64,
+	0x2c6d, 0x2c70,
+	0x2c7e, 0x2c80,
+	0xa77d, 0xa77e,
+	0xa7aa, 0xa7ad,
+	0xa7b0, 0xa7b1,
+	0xff21, 0xff3a,
+	0x10400, 0x10427,
+	0x118a0, 0x118bf,
 };
 
 } // !namespace
@@ -2101,594 +2101,594 @@
 namespace {
 
 const char32_t istitles[] = {
-    0x0100,
-    0x0102,
-    0x0104,
-    0x0106,
-    0x0108,
-    0x010a,
-    0x010c,
-    0x010e,
-    0x0110,
-    0x0112,
-    0x0114,
-    0x0116,
-    0x0118,
-    0x011a,
-    0x011c,
-    0x011e,
-    0x0120,
-    0x0122,
-    0x0124,
-    0x0126,
-    0x0128,
-    0x012a,
-    0x012c,
-    0x012e,
-    0x0132,
-    0x0134,
-    0x0136,
-    0x0139,
-    0x013b,
-    0x013d,
-    0x013f,
-    0x0141,
-    0x0143,
-    0x0145,
-    0x0147,
-    0x014a,
-    0x014c,
-    0x014e,
-    0x0150,
-    0x0152,
-    0x0154,
-    0x0156,
-    0x0158,
-    0x015a,
-    0x015c,
-    0x015e,
-    0x0160,
-    0x0162,
-    0x0164,
-    0x0166,
-    0x0168,
-    0x016a,
-    0x016c,
-    0x016e,
-    0x0170,
-    0x0172,
-    0x0174,
-    0x0176,
-    0x017b,
-    0x017d,
-    0x0184,
-    0x01a2,
-    0x01a4,
-    0x01a9,
-    0x01ac,
-    0x01b5,
-    0x01bc,
-    0x01c5,
-    0x01c8,
-    0x01cb,
-    0x01cd,
-    0x01cf,
-    0x01d1,
-    0x01d3,
-    0x01d5,
-    0x01d7,
-    0x01d9,
-    0x01db,
-    0x01de,
-    0x01e0,
-    0x01e2,
-    0x01e4,
-    0x01e6,
-    0x01e8,
-    0x01ea,
-    0x01ec,
-    0x01ee,
-    0x01f2,
-    0x01f4,
-    0x01fa,
-    0x01fc,
-    0x01fe,
-    0x0200,
-    0x0202,
-    0x0204,
-    0x0206,
-    0x0208,
-    0x020a,
-    0x020c,
-    0x020e,
-    0x0210,
-    0x0212,
-    0x0214,
-    0x0216,
-    0x0218,
-    0x021a,
-    0x021c,
-    0x021e,
-    0x0220,
-    0x0222,
-    0x0224,
-    0x0226,
-    0x0228,
-    0x022a,
-    0x022c,
-    0x022e,
-    0x0230,
-    0x0232,
-    0x0241,
-    0x0248,
-    0x024a,
-    0x024c,
-    0x024e,
-    0x0370,
-    0x0372,
-    0x0376,
-    0x037f,
-    0x0386,
-    0x038c,
-    0x03cf,
-    0x03d8,
-    0x03da,
-    0x03dc,
-    0x03de,
-    0x03e0,
-    0x03e2,
-    0x03e4,
-    0x03e6,
-    0x03e8,
-    0x03ea,
-    0x03ec,
-    0x03ee,
-    0x03f7,
-    0x0460,
-    0x0462,
-    0x0464,
-    0x0466,
-    0x0468,
-    0x046a,
-    0x046c,
-    0x046e,
-    0x0470,
-    0x0472,
-    0x0474,
-    0x0476,
-    0x0478,
-    0x047a,
-    0x047c,
-    0x047e,
-    0x0480,
-    0x048a,
-    0x048c,
-    0x048e,
-    0x0490,
-    0x0492,
-    0x0494,
-    0x0496,
-    0x0498,
-    0x049a,
-    0x049c,
-    0x049e,
-    0x04a0,
-    0x04a2,
-    0x04a4,
-    0x04a6,
-    0x04a8,
-    0x04aa,
-    0x04ac,
-    0x04ae,
-    0x04b0,
-    0x04b2,
-    0x04b4,
-    0x04b6,
-    0x04b8,
-    0x04ba,
-    0x04bc,
-    0x04be,
-    0x04c3,
-    0x04c5,
-    0x04c7,
-    0x04c9,
-    0x04cb,
-    0x04cd,
-    0x04d0,
-    0x04d2,
-    0x04d4,
-    0x04d6,
-    0x04d8,
-    0x04da,
-    0x04dc,
-    0x04de,
-    0x04e0,
-    0x04e2,
-    0x04e4,
-    0x04e6,
-    0x04e8,
-    0x04ea,
-    0x04ec,
-    0x04ee,
-    0x04f0,
-    0x04f2,
-    0x04f4,
-    0x04f6,
-    0x04f8,
-    0x04fa,
-    0x04fc,
-    0x04fe,
-    0x0500,
-    0x0502,
-    0x0504,
-    0x0506,
-    0x0508,
-    0x050a,
-    0x050c,
-    0x050e,
-    0x0510,
-    0x0512,
-    0x0514,
-    0x0516,
-    0x0518,
-    0x051a,
-    0x051c,
-    0x051e,
-    0x0520,
-    0x0522,
-    0x0524,
-    0x0526,
-    0x0528,
-    0x052a,
-    0x052c,
-    0x052e,
-    0x10c7,
-    0x10cd,
-    0x1e00,
-    0x1e02,
-    0x1e04,
-    0x1e06,
-    0x1e08,
-    0x1e0a,
-    0x1e0c,
-    0x1e0e,
-    0x1e10,
-    0x1e12,
-    0x1e14,
-    0x1e16,
-    0x1e18,
-    0x1e1a,
-    0x1e1c,
-    0x1e1e,
-    0x1e20,
-    0x1e22,
-    0x1e24,
-    0x1e26,
-    0x1e28,
-    0x1e2a,
-    0x1e2c,
-    0x1e2e,
-    0x1e30,
-    0x1e32,
-    0x1e34,
-    0x1e36,
-    0x1e38,
-    0x1e3a,
-    0x1e3c,
-    0x1e3e,
-    0x1e40,
-    0x1e42,
-    0x1e44,
-    0x1e46,
-    0x1e48,
-    0x1e4a,
-    0x1e4c,
-    0x1e4e,
-    0x1e50,
-    0x1e52,
-    0x1e54,
-    0x1e56,
-    0x1e58,
-    0x1e5a,
-    0x1e5c,
-    0x1e5e,
-    0x1e60,
-    0x1e62,
-    0x1e64,
-    0x1e66,
-    0x1e68,
-    0x1e6a,
-    0x1e6c,
-    0x1e6e,
-    0x1e70,
-    0x1e72,
-    0x1e74,
-    0x1e76,
-    0x1e78,
-    0x1e7a,
-    0x1e7c,
-    0x1e7e,
-    0x1e80,
-    0x1e82,
-    0x1e84,
-    0x1e86,
-    0x1e88,
-    0x1e8a,
-    0x1e8c,
-    0x1e8e,
-    0x1e90,
-    0x1e92,
-    0x1e94,
-    0x1ea0,
-    0x1ea2,
-    0x1ea4,
-    0x1ea6,
-    0x1ea8,
-    0x1eaa,
-    0x1eac,
-    0x1eae,
-    0x1eb0,
-    0x1eb2,
-    0x1eb4,
-    0x1eb6,
-    0x1eb8,
-    0x1eba,
-    0x1ebc,
-    0x1ebe,
-    0x1ec0,
-    0x1ec2,
-    0x1ec4,
-    0x1ec6,
-    0x1ec8,
-    0x1eca,
-    0x1ecc,
-    0x1ece,
-    0x1ed0,
-    0x1ed2,
-    0x1ed4,
-    0x1ed6,
-    0x1ed8,
-    0x1eda,
-    0x1edc,
-    0x1ede,
-    0x1ee0,
-    0x1ee2,
-    0x1ee4,
-    0x1ee6,
-    0x1ee8,
-    0x1eea,
-    0x1eec,
-    0x1eee,
-    0x1ef0,
-    0x1ef2,
-    0x1ef4,
-    0x1ef6,
-    0x1ef8,
-    0x1efa,
-    0x1efc,
-    0x1efe,
-    0x1f59,
-    0x1f5b,
-    0x1f5d,
-    0x1f5f,
-    0x2132,
-    0x2183,
-    0x2c60,
-    0x2c67,
-    0x2c69,
-    0x2c6b,
-    0x2c72,
-    0x2c75,
-    0x2c82,
-    0x2c84,
-    0x2c86,
-    0x2c88,
-    0x2c8a,
-    0x2c8c,
-    0x2c8e,
-    0x2c90,
-    0x2c92,
-    0x2c94,
-    0x2c96,
-    0x2c98,
-    0x2c9a,
-    0x2c9c,
-    0x2c9e,
-    0x2ca0,
-    0x2ca2,
-    0x2ca4,
-    0x2ca6,
-    0x2ca8,
-    0x2caa,
-    0x2cac,
-    0x2cae,
-    0x2cb0,
-    0x2cb2,
-    0x2cb4,
-    0x2cb6,
-    0x2cb8,
-    0x2cba,
-    0x2cbc,
-    0x2cbe,
-    0x2cc0,
-    0x2cc2,
-    0x2cc4,
-    0x2cc6,
-    0x2cc8,
-    0x2cca,
-    0x2ccc,
-    0x2cce,
-    0x2cd0,
-    0x2cd2,
-    0x2cd4,
-    0x2cd6,
-    0x2cd8,
-    0x2cda,
-    0x2cdc,
-    0x2cde,
-    0x2ce0,
-    0x2ce2,
-    0x2ceb,
-    0x2ced,
-    0x2cf2,
-    0xa640,
-    0xa642,
-    0xa644,
-    0xa646,
-    0xa648,
-    0xa64a,
-    0xa64c,
-    0xa64e,
-    0xa650,
-    0xa652,
-    0xa654,
-    0xa656,
-    0xa658,
-    0xa65a,
-    0xa65c,
-    0xa65e,
-    0xa660,
-    0xa662,
-    0xa664,
-    0xa666,
-    0xa668,
-    0xa66a,
-    0xa66c,
-    0xa680,
-    0xa682,
-    0xa684,
-    0xa686,
-    0xa688,
-    0xa68a,
-    0xa68c,
-    0xa68e,
-    0xa690,
-    0xa692,
-    0xa694,
-    0xa696,
-    0xa698,
-    0xa69a,
-    0xa722,
-    0xa724,
-    0xa726,
-    0xa728,
-    0xa72a,
-    0xa72c,
-    0xa72e,
-    0xa732,
-    0xa734,
-    0xa736,
-    0xa738,
-    0xa73a,
-    0xa73c,
-    0xa73e,
-    0xa740,
-    0xa742,
-    0xa744,
-    0xa746,
-    0xa748,
-    0xa74a,
-    0xa74c,
-    0xa74e,
-    0xa750,
-    0xa752,
-    0xa754,
-    0xa756,
-    0xa758,
-    0xa75a,
-    0xa75c,
-    0xa75e,
-    0xa760,
-    0xa762,
-    0xa764,
-    0xa766,
-    0xa768,
-    0xa76a,
-    0xa76c,
-    0xa76e,
-    0xa779,
-    0xa77b,
-    0xa780,
-    0xa782,
-    0xa784,
-    0xa786,
-    0xa78b,
-    0xa78d,
-    0xa790,
-    0xa792,
-    0xa796,
-    0xa798,
-    0xa79a,
-    0xa79c,
-    0xa79e,
-    0xa7a0,
-    0xa7a2,
-    0xa7a4,
-    0xa7a6,
-    0xa7a8,
+	0x0100,
+	0x0102,
+	0x0104,
+	0x0106,
+	0x0108,
+	0x010a,
+	0x010c,
+	0x010e,
+	0x0110,
+	0x0112,
+	0x0114,
+	0x0116,
+	0x0118,
+	0x011a,
+	0x011c,
+	0x011e,
+	0x0120,
+	0x0122,
+	0x0124,
+	0x0126,
+	0x0128,
+	0x012a,
+	0x012c,
+	0x012e,
+	0x0132,
+	0x0134,
+	0x0136,
+	0x0139,
+	0x013b,
+	0x013d,
+	0x013f,
+	0x0141,
+	0x0143,
+	0x0145,
+	0x0147,
+	0x014a,
+	0x014c,
+	0x014e,
+	0x0150,
+	0x0152,
+	0x0154,
+	0x0156,
+	0x0158,
+	0x015a,
+	0x015c,
+	0x015e,
+	0x0160,
+	0x0162,
+	0x0164,
+	0x0166,
+	0x0168,
+	0x016a,
+	0x016c,
+	0x016e,
+	0x0170,
+	0x0172,
+	0x0174,
+	0x0176,
+	0x017b,
+	0x017d,
+	0x0184,
+	0x01a2,
+	0x01a4,
+	0x01a9,
+	0x01ac,
+	0x01b5,
+	0x01bc,
+	0x01c5,
+	0x01c8,
+	0x01cb,
+	0x01cd,
+	0x01cf,
+	0x01d1,
+	0x01d3,
+	0x01d5,
+	0x01d7,
+	0x01d9,
+	0x01db,
+	0x01de,
+	0x01e0,
+	0x01e2,
+	0x01e4,
+	0x01e6,
+	0x01e8,
+	0x01ea,
+	0x01ec,
+	0x01ee,
+	0x01f2,
+	0x01f4,
+	0x01fa,
+	0x01fc,
+	0x01fe,
+	0x0200,
+	0x0202,
+	0x0204,
+	0x0206,
+	0x0208,
+	0x020a,
+	0x020c,
+	0x020e,
+	0x0210,
+	0x0212,
+	0x0214,
+	0x0216,
+	0x0218,
+	0x021a,
+	0x021c,
+	0x021e,
+	0x0220,
+	0x0222,
+	0x0224,
+	0x0226,
+	0x0228,
+	0x022a,
+	0x022c,
+	0x022e,
+	0x0230,
+	0x0232,
+	0x0241,
+	0x0248,
+	0x024a,
+	0x024c,
+	0x024e,
+	0x0370,
+	0x0372,
+	0x0376,
+	0x037f,
+	0x0386,
+	0x038c,
+	0x03cf,
+	0x03d8,
+	0x03da,
+	0x03dc,
+	0x03de,
+	0x03e0,
+	0x03e2,
+	0x03e4,
+	0x03e6,
+	0x03e8,
+	0x03ea,
+	0x03ec,
+	0x03ee,
+	0x03f7,
+	0x0460,
+	0x0462,
+	0x0464,
+	0x0466,
+	0x0468,
+	0x046a,
+	0x046c,
+	0x046e,
+	0x0470,
+	0x0472,
+	0x0474,
+	0x0476,
+	0x0478,
+	0x047a,
+	0x047c,
+	0x047e,
+	0x0480,
+	0x048a,
+	0x048c,
+	0x048e,
+	0x0490,
+	0x0492,
+	0x0494,
+	0x0496,
+	0x0498,
+	0x049a,
+	0x049c,
+	0x049e,
+	0x04a0,
+	0x04a2,
+	0x04a4,
+	0x04a6,
+	0x04a8,
+	0x04aa,
+	0x04ac,
+	0x04ae,
+	0x04b0,
+	0x04b2,
+	0x04b4,
+	0x04b6,
+	0x04b8,
+	0x04ba,
+	0x04bc,
+	0x04be,
+	0x04c3,
+	0x04c5,
+	0x04c7,
+	0x04c9,
+	0x04cb,
+	0x04cd,
+	0x04d0,
+	0x04d2,
+	0x04d4,
+	0x04d6,
+	0x04d8,
+	0x04da,
+	0x04dc,
+	0x04de,
+	0x04e0,
+	0x04e2,
+	0x04e4,
+	0x04e6,
+	0x04e8,
+	0x04ea,
+	0x04ec,
+	0x04ee,
+	0x04f0,
+	0x04f2,
+	0x04f4,
+	0x04f6,
+	0x04f8,
+	0x04fa,
+	0x04fc,
+	0x04fe,
+	0x0500,
+	0x0502,
+	0x0504,
+	0x0506,
+	0x0508,
+	0x050a,
+	0x050c,
+	0x050e,
+	0x0510,
+	0x0512,
+	0x0514,
+	0x0516,
+	0x0518,
+	0x051a,
+	0x051c,
+	0x051e,
+	0x0520,
+	0x0522,
+	0x0524,
+	0x0526,
+	0x0528,
+	0x052a,
+	0x052c,
+	0x052e,
+	0x10c7,
+	0x10cd,
+	0x1e00,
+	0x1e02,
+	0x1e04,
+	0x1e06,
+	0x1e08,
+	0x1e0a,
+	0x1e0c,
+	0x1e0e,
+	0x1e10,
+	0x1e12,
+	0x1e14,
+	0x1e16,
+	0x1e18,
+	0x1e1a,
+	0x1e1c,
+	0x1e1e,
+	0x1e20,
+	0x1e22,
+	0x1e24,
+	0x1e26,
+	0x1e28,
+	0x1e2a,
+	0x1e2c,
+	0x1e2e,
+	0x1e30,
+	0x1e32,
+	0x1e34,
+	0x1e36,
+	0x1e38,
+	0x1e3a,
+	0x1e3c,
+	0x1e3e,
+	0x1e40,
+	0x1e42,
+	0x1e44,
+	0x1e46,
+	0x1e48,
+	0x1e4a,
+	0x1e4c,
+	0x1e4e,
+	0x1e50,
+	0x1e52,
+	0x1e54,
+	0x1e56,
+	0x1e58,
+	0x1e5a,
+	0x1e5c,
+	0x1e5e,
+	0x1e60,
+	0x1e62,
+	0x1e64,
+	0x1e66,
+	0x1e68,
+	0x1e6a,
+	0x1e6c,
+	0x1e6e,
+	0x1e70,
+	0x1e72,
+	0x1e74,
+	0x1e76,
+	0x1e78,
+	0x1e7a,
+	0x1e7c,
+	0x1e7e,
+	0x1e80,
+	0x1e82,
+	0x1e84,
+	0x1e86,
+	0x1e88,
+	0x1e8a,
+	0x1e8c,
+	0x1e8e,
+	0x1e90,
+	0x1e92,
+	0x1e94,
+	0x1ea0,
+	0x1ea2,
+	0x1ea4,
+	0x1ea6,
+	0x1ea8,
+	0x1eaa,
+	0x1eac,
+	0x1eae,
+	0x1eb0,
+	0x1eb2,
+	0x1eb4,
+	0x1eb6,
+	0x1eb8,
+	0x1eba,
+	0x1ebc,
+	0x1ebe,
+	0x1ec0,
+	0x1ec2,
+	0x1ec4,
+	0x1ec6,
+	0x1ec8,
+	0x1eca,
+	0x1ecc,
+	0x1ece,
+	0x1ed0,
+	0x1ed2,
+	0x1ed4,
+	0x1ed6,
+	0x1ed8,
+	0x1eda,
+	0x1edc,
+	0x1ede,
+	0x1ee0,
+	0x1ee2,
+	0x1ee4,
+	0x1ee6,
+	0x1ee8,
+	0x1eea,
+	0x1eec,
+	0x1eee,
+	0x1ef0,
+	0x1ef2,
+	0x1ef4,
+	0x1ef6,
+	0x1ef8,
+	0x1efa,
+	0x1efc,
+	0x1efe,
+	0x1f59,
+	0x1f5b,
+	0x1f5d,
+	0x1f5f,
+	0x2132,
+	0x2183,
+	0x2c60,
+	0x2c67,
+	0x2c69,
+	0x2c6b,
+	0x2c72,
+	0x2c75,
+	0x2c82,
+	0x2c84,
+	0x2c86,
+	0x2c88,
+	0x2c8a,
+	0x2c8c,
+	0x2c8e,
+	0x2c90,
+	0x2c92,
+	0x2c94,
+	0x2c96,
+	0x2c98,
+	0x2c9a,
+	0x2c9c,
+	0x2c9e,
+	0x2ca0,
+	0x2ca2,
+	0x2ca4,
+	0x2ca6,
+	0x2ca8,
+	0x2caa,
+	0x2cac,
+	0x2cae,
+	0x2cb0,
+	0x2cb2,
+	0x2cb4,
+	0x2cb6,
+	0x2cb8,
+	0x2cba,
+	0x2cbc,
+	0x2cbe,
+	0x2cc0,
+	0x2cc2,
+	0x2cc4,
+	0x2cc6,
+	0x2cc8,
+	0x2cca,
+	0x2ccc,
+	0x2cce,
+	0x2cd0,
+	0x2cd2,
+	0x2cd4,
+	0x2cd6,
+	0x2cd8,
+	0x2cda,
+	0x2cdc,
+	0x2cde,
+	0x2ce0,
+	0x2ce2,
+	0x2ceb,
+	0x2ced,
+	0x2cf2,
+	0xa640,
+	0xa642,
+	0xa644,
+	0xa646,
+	0xa648,
+	0xa64a,
+	0xa64c,
+	0xa64e,
+	0xa650,
+	0xa652,
+	0xa654,
+	0xa656,
+	0xa658,
+	0xa65a,
+	0xa65c,
+	0xa65e,
+	0xa660,
+	0xa662,
+	0xa664,
+	0xa666,
+	0xa668,
+	0xa66a,
+	0xa66c,
+	0xa680,
+	0xa682,
+	0xa684,
+	0xa686,
+	0xa688,
+	0xa68a,
+	0xa68c,
+	0xa68e,
+	0xa690,
+	0xa692,
+	0xa694,
+	0xa696,
+	0xa698,
+	0xa69a,
+	0xa722,
+	0xa724,
+	0xa726,
+	0xa728,
+	0xa72a,
+	0xa72c,
+	0xa72e,
+	0xa732,
+	0xa734,
+	0xa736,
+	0xa738,
+	0xa73a,
+	0xa73c,
+	0xa73e,
+	0xa740,
+	0xa742,
+	0xa744,
+	0xa746,
+	0xa748,
+	0xa74a,
+	0xa74c,
+	0xa74e,
+	0xa750,
+	0xa752,
+	0xa754,
+	0xa756,
+	0xa758,
+	0xa75a,
+	0xa75c,
+	0xa75e,
+	0xa760,
+	0xa762,
+	0xa764,
+	0xa766,
+	0xa768,
+	0xa76a,
+	0xa76c,
+	0xa76e,
+	0xa779,
+	0xa77b,
+	0xa780,
+	0xa782,
+	0xa784,
+	0xa786,
+	0xa78b,
+	0xa78d,
+	0xa790,
+	0xa792,
+	0xa796,
+	0xa798,
+	0xa79a,
+	0xa79c,
+	0xa79e,
+	0xa7a0,
+	0xa7a2,
+	0xa7a4,
+	0xa7a6,
+	0xa7a8,
 };
 
 } // !namespace
 
-bool istitle(char32_t c) noexcept
+auto istitle(char32_t c) noexcept -> bool
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, istitler, nelem (istitler) / 2, 2);
+	p = search(c, istitler, nelem (istitler) / 2, 2);
 
-    if (p && c >= p[0] && c <= p[1])
-        return true;
+	if (p && c >= p[0] && c <= p[1])
+		return true;
 
-    p = rbsearch(c, istitles, nelem (istitles), 1);
+	p = search(c, istitles, nelem (istitles), 1);
 
-    if (p && c == p[0])
-        return true;
+	if (p && c == p[0])
+		return true;
 
-    return false;
+	return false;
 }
 
 namespace {
 
 const char32_t toupperr[] = {
-    0x0061, 0x007a, 1048544,
-    0x00e0, 0x00f6, 1048544,
-    0x00f8, 0x00fe, 1048544,
-    0x023f, 0x0240, 1059391,
-    0x0256, 0x0257, 1048371,
-    0x028a, 0x028b, 1048359,
-    0x037b, 0x037d, 1048706,
-    0x03ad, 0x03af, 1048539,
-    0x03b1, 0x03c1, 1048544,
-    0x03c3, 0x03cb, 1048544,
-    0x03cd, 0x03ce, 1048513,
-    0x0430, 0x044f, 1048544,
-    0x0450, 0x045f, 1048496,
-    0x0561, 0x0586, 1048528,
-    0x1f00, 0x1f07, 1048584,
-    0x1f10, 0x1f15, 1048584,
-    0x1f20, 0x1f27, 1048584,
-    0x1f30, 0x1f37, 1048584,
-    0x1f40, 0x1f45, 1048584,
-    0x1f60, 0x1f67, 1048584,
-    0x1f70, 0x1f71, 1048650,
-    0x1f72, 0x1f75, 1048662,
-    0x1f76, 0x1f77, 1048676,
-    0x1f78, 0x1f79, 1048704,
-    0x1f7a, 0x1f7b, 1048688,
-    0x1f7c, 0x1f7d, 1048702,
-    0x1f80, 0x1f87, 1048584,
-    0x1f90, 0x1f97, 1048584,
-    0x1fa0, 0x1fa7, 1048584,
-    0x1fb0, 0x1fb1, 1048584,
-    0x1fd0, 0x1fd1, 1048584,
-    0x1fe0, 0x1fe1, 1048584,
-    0x2170, 0x217f, 1048560,
-    0x24d0, 0x24e9, 1048550,
-    0x2c30, 0x2c5e, 1048528,
-    0x2d00, 0x2d25, 1041312,
-    0xff41, 0xff5a, 1048544,
-    0x10428, 0x1044f, 1048536,
-    0x118c0, 0x118df, 1048544,
+	0x0061, 0x007a, 1048544,
+	0x00e0, 0x00f6, 1048544,
+	0x00f8, 0x00fe, 1048544,
+	0x023f, 0x0240, 1059391,
+	0x0256, 0x0257, 1048371,
+	0x028a, 0x028b, 1048359,
+	0x037b, 0x037d, 1048706,
+	0x03ad, 0x03af, 1048539,
+	0x03b1, 0x03c1, 1048544,
+	0x03c3, 0x03cb, 1048544,
+	0x03cd, 0x03ce, 1048513,
+	0x0430, 0x044f, 1048544,
+	0x0450, 0x045f, 1048496,
+	0x0561, 0x0586, 1048528,
+	0x1f00, 0x1f07, 1048584,
+	0x1f10, 0x1f15, 1048584,
+	0x1f20, 0x1f27, 1048584,
+	0x1f30, 0x1f37, 1048584,
+	0x1f40, 0x1f45, 1048584,
+	0x1f60, 0x1f67, 1048584,
+	0x1f70, 0x1f71, 1048650,
+	0x1f72, 0x1f75, 1048662,
+	0x1f76, 0x1f77, 1048676,
+	0x1f78, 0x1f79, 1048704,
+	0x1f7a, 0x1f7b, 1048688,
+	0x1f7c, 0x1f7d, 1048702,
+	0x1f80, 0x1f87, 1048584,
+	0x1f90, 0x1f97, 1048584,
+	0x1fa0, 0x1fa7, 1048584,
+	0x1fb0, 0x1fb1, 1048584,
+	0x1fd0, 0x1fd1, 1048584,
+	0x1fe0, 0x1fe1, 1048584,
+	0x2170, 0x217f, 1048560,
+	0x24d0, 0x24e9, 1048550,
+	0x2c30, 0x2c5e, 1048528,
+	0x2d00, 0x2d25, 1041312,
+	0xff41, 0xff5a, 1048544,
+	0x10428, 0x1044f, 1048536,
+	0x118c0, 0x118df, 1048544,
 };
 
 } // !namespace
@@ -2696,674 +2696,674 @@
 namespace {
 
 const char32_t touppers[] = {
-    0x00b5, 1049319,
-    0x00ff, 1048697,
-    0x0101, 1048575,
-    0x0103, 1048575,
-    0x0105, 1048575,
-    0x0107, 1048575,
-    0x0109, 1048575,
-    0x010b, 1048575,
-    0x010d, 1048575,
-    0x010f, 1048575,
-    0x0111, 1048575,
-    0x0113, 1048575,
-    0x0115, 1048575,
-    0x0117, 1048575,
-    0x0119, 1048575,
-    0x011b, 1048575,
-    0x011d, 1048575,
-    0x011f, 1048575,
-    0x0121, 1048575,
-    0x0123, 1048575,
-    0x0125, 1048575,
-    0x0127, 1048575,
-    0x0129, 1048575,
-    0x012b, 1048575,
-    0x012d, 1048575,
-    0x012f, 1048575,
-    0x0131, 1048344,
-    0x0133, 1048575,
-    0x0135, 1048575,
-    0x0137, 1048575,
-    0x013a, 1048575,
-    0x013c, 1048575,
-    0x013e, 1048575,
-    0x0140, 1048575,
-    0x0142, 1048575,
-    0x0144, 1048575,
-    0x0146, 1048575,
-    0x0148, 1048575,
-    0x014b, 1048575,
-    0x014d, 1048575,
-    0x014f, 1048575,
-    0x0151, 1048575,
-    0x0153, 1048575,
-    0x0155, 1048575,
-    0x0157, 1048575,
-    0x0159, 1048575,
-    0x015b, 1048575,
-    0x015d, 1048575,
-    0x015f, 1048575,
-    0x0161, 1048575,
-    0x0163, 1048575,
-    0x0165, 1048575,
-    0x0167, 1048575,
-    0x0169, 1048575,
-    0x016b, 1048575,
-    0x016d, 1048575,
-    0x016f, 1048575,
-    0x0171, 1048575,
-    0x0173, 1048575,
-    0x0175, 1048575,
-    0x0177, 1048575,
-    0x017a, 1048575,
-    0x017c, 1048575,
-    0x017e, 1048575,
-    0x017f, 1048276,
-    0x0180, 1048771,
-    0x0183, 1048575,
-    0x0185, 1048575,
-    0x0188, 1048575,
-    0x018c, 1048575,
-    0x0192, 1048575,
-    0x0195, 1048673,
-    0x0199, 1048575,
-    0x019a, 1048739,
-    0x019e, 1048706,
-    0x01a1, 1048575,
-    0x01a3, 1048575,
-    0x01a5, 1048575,
-    0x01a8, 1048575,
-    0x01ad, 1048575,
-    0x01b0, 1048575,
-    0x01b4, 1048575,
-    0x01b6, 1048575,
-    0x01b9, 1048575,
-    0x01bd, 1048575,
-    0x01bf, 1048632,
-    0x01c5, 1048575,
-    0x01c6, 1048574,
-    0x01c8, 1048575,
-    0x01c9, 1048574,
-    0x01cb, 1048575,
-    0x01cc, 1048574,
-    0x01ce, 1048575,
-    0x01d0, 1048575,
-    0x01d2, 1048575,
-    0x01d4, 1048575,
-    0x01d6, 1048575,
-    0x01d8, 1048575,
-    0x01da, 1048575,
-    0x01dc, 1048575,
-    0x01dd, 1048497,
-    0x01df, 1048575,
-    0x01e1, 1048575,
-    0x01e3, 1048575,
-    0x01e5, 1048575,
-    0x01e7, 1048575,
-    0x01e9, 1048575,
-    0x01eb, 1048575,
-    0x01ed, 1048575,
-    0x01ef, 1048575,
-    0x01f2, 1048575,
-    0x01f3, 1048574,
-    0x01f5, 1048575,
-    0x01f9, 1048575,
-    0x01fb, 1048575,
-    0x01fd, 1048575,
-    0x01ff, 1048575,
-    0x0201, 1048575,
-    0x0203, 1048575,
-    0x0205, 1048575,
-    0x0207, 1048575,
-    0x0209, 1048575,
-    0x020b, 1048575,
-    0x020d, 1048575,
-    0x020f, 1048575,
-    0x0211, 1048575,
-    0x0213, 1048575,
-    0x0215, 1048575,
-    0x0217, 1048575,
-    0x0219, 1048575,
-    0x021b, 1048575,
-    0x021d, 1048575,
-    0x021f, 1048575,
-    0x0223, 1048575,
-    0x0225, 1048575,
-    0x0227, 1048575,
-    0x0229, 1048575,
-    0x022b, 1048575,
-    0x022d, 1048575,
-    0x022f, 1048575,
-    0x0231, 1048575,
-    0x0233, 1048575,
-    0x023c, 1048575,
-    0x0242, 1048575,
-    0x0247, 1048575,
-    0x0249, 1048575,
-    0x024b, 1048575,
-    0x024d, 1048575,
-    0x024f, 1048575,
-    0x0250, 1059359,
-    0x0251, 1059356,
-    0x0252, 1059358,
-    0x0253, 1048366,
-    0x0254, 1048370,
-    0x0259, 1048374,
-    0x025b, 1048373,
-    0x025c, 1090895,
-    0x0260, 1048371,
-    0x0261, 1090891,
-    0x0263, 1048369,
-    0x0265, 1090856,
-    0x0266, 1090884,
-    0x0268, 1048367,
-    0x0269, 1048365,
-    0x026b, 1059319,
-    0x026c, 1090881,
-    0x026f, 1048365,
-    0x0271, 1059325,
-    0x0272, 1048363,
-    0x0275, 1048362,
-    0x027d, 1059303,
-    0x0280, 1048358,
-    0x0283, 1048358,
-    0x0287, 1090858,
-    0x0288, 1048358,
-    0x0289, 1048507,
-    0x028c, 1048505,
-    0x0292, 1048357,
-    0x029e, 1090834,
-    0x0345, 1048660,
-    0x0371, 1048575,
-    0x0373, 1048575,
-    0x0377, 1048575,
-    0x03ac, 1048538,
-    0x03c2, 1048545,
-    0x03cc, 1048512,
-    0x03d0, 1048514,
-    0x03d1, 1048519,
-    0x03d5, 1048529,
-    0x03d6, 1048522,
-    0x03d7, 1048568,
-    0x03d9, 1048575,
-    0x03db, 1048575,
-    0x03dd, 1048575,
-    0x03df, 1048575,
-    0x03e1, 1048575,
-    0x03e3, 1048575,
-    0x03e5, 1048575,
-    0x03e7, 1048575,
-    0x03e9, 1048575,
-    0x03eb, 1048575,
-    0x03ed, 1048575,
-    0x03ef, 1048575,
-    0x03f0, 1048490,
-    0x03f1, 1048496,
-    0x03f2, 1048583,
-    0x03f3, 1048460,
-    0x03f5, 1048480,
-    0x03f8, 1048575,
-    0x03fb, 1048575,
-    0x0461, 1048575,
-    0x0463, 1048575,
-    0x0465, 1048575,
-    0x0467, 1048575,
-    0x0469, 1048575,
-    0x046b, 1048575,
-    0x046d, 1048575,
-    0x046f, 1048575,
-    0x0471, 1048575,
-    0x0473, 1048575,
-    0x0475, 1048575,
-    0x0477, 1048575,
-    0x0479, 1048575,
-    0x047b, 1048575,
-    0x047d, 1048575,
-    0x047f, 1048575,
-    0x0481, 1048575,
-    0x048b, 1048575,
-    0x048d, 1048575,
-    0x048f, 1048575,
-    0x0491, 1048575,
-    0x0493, 1048575,
-    0x0495, 1048575,
-    0x0497, 1048575,
-    0x0499, 1048575,
-    0x049b, 1048575,
-    0x049d, 1048575,
-    0x049f, 1048575,
-    0x04a1, 1048575,
-    0x04a3, 1048575,
-    0x04a5, 1048575,
-    0x04a7, 1048575,
-    0x04a9, 1048575,
-    0x04ab, 1048575,
-    0x04ad, 1048575,
-    0x04af, 1048575,
-    0x04b1, 1048575,
-    0x04b3, 1048575,
-    0x04b5, 1048575,
-    0x04b7, 1048575,
-    0x04b9, 1048575,
-    0x04bb, 1048575,
-    0x04bd, 1048575,
-    0x04bf, 1048575,
-    0x04c2, 1048575,
-    0x04c4, 1048575,
-    0x04c6, 1048575,
-    0x04c8, 1048575,
-    0x04ca, 1048575,
-    0x04cc, 1048575,
-    0x04ce, 1048575,
-    0x04cf, 1048561,
-    0x04d1, 1048575,
-    0x04d3, 1048575,
-    0x04d5, 1048575,
-    0x04d7, 1048575,
-    0x04d9, 1048575,
-    0x04db, 1048575,
-    0x04dd, 1048575,
-    0x04df, 1048575,
-    0x04e1, 1048575,
-    0x04e3, 1048575,
-    0x04e5, 1048575,
-    0x04e7, 1048575,
-    0x04e9, 1048575,
-    0x04eb, 1048575,
-    0x04ed, 1048575,
-    0x04ef, 1048575,
-    0x04f1, 1048575,
-    0x04f3, 1048575,
-    0x04f5, 1048575,
-    0x04f7, 1048575,
-    0x04f9, 1048575,
-    0x04fb, 1048575,
-    0x04fd, 1048575,
-    0x04ff, 1048575,
-    0x0501, 1048575,
-    0x0503, 1048575,
-    0x0505, 1048575,
-    0x0507, 1048575,
-    0x0509, 1048575,
-    0x050b, 1048575,
-    0x050d, 1048575,
-    0x050f, 1048575,
-    0x0511, 1048575,
-    0x0513, 1048575,
-    0x0515, 1048575,
-    0x0517, 1048575,
-    0x0519, 1048575,
-    0x051b, 1048575,
-    0x051d, 1048575,
-    0x051f, 1048575,
-    0x0521, 1048575,
-    0x0523, 1048575,
-    0x0525, 1048575,
-    0x0527, 1048575,
-    0x0529, 1048575,
-    0x052b, 1048575,
-    0x052d, 1048575,
-    0x052f, 1048575,
-    0x1d79, 1083908,
-    0x1d7d, 1052390,
-    0x1e01, 1048575,
-    0x1e03, 1048575,
-    0x1e05, 1048575,
-    0x1e07, 1048575,
-    0x1e09, 1048575,
-    0x1e0b, 1048575,
-    0x1e0d, 1048575,
-    0x1e0f, 1048575,
-    0x1e11, 1048575,
-    0x1e13, 1048575,
-    0x1e15, 1048575,
-    0x1e17, 1048575,
-    0x1e19, 1048575,
-    0x1e1b, 1048575,
-    0x1e1d, 1048575,
-    0x1e1f, 1048575,
-    0x1e21, 1048575,
-    0x1e23, 1048575,
-    0x1e25, 1048575,
-    0x1e27, 1048575,
-    0x1e29, 1048575,
-    0x1e2b, 1048575,
-    0x1e2d, 1048575,
-    0x1e2f, 1048575,
-    0x1e31, 1048575,
-    0x1e33, 1048575,
-    0x1e35, 1048575,
-    0x1e37, 1048575,
-    0x1e39, 1048575,
-    0x1e3b, 1048575,
-    0x1e3d, 1048575,
-    0x1e3f, 1048575,
-    0x1e41, 1048575,
-    0x1e43, 1048575,
-    0x1e45, 1048575,
-    0x1e47, 1048575,
-    0x1e49, 1048575,
-    0x1e4b, 1048575,
-    0x1e4d, 1048575,
-    0x1e4f, 1048575,
-    0x1e51, 1048575,
-    0x1e53, 1048575,
-    0x1e55, 1048575,
-    0x1e57, 1048575,
-    0x1e59, 1048575,
-    0x1e5b, 1048575,
-    0x1e5d, 1048575,
-    0x1e5f, 1048575,
-    0x1e61, 1048575,
-    0x1e63, 1048575,
-    0x1e65, 1048575,
-    0x1e67, 1048575,
-    0x1e69, 1048575,
-    0x1e6b, 1048575,
-    0x1e6d, 1048575,
-    0x1e6f, 1048575,
-    0x1e71, 1048575,
-    0x1e73, 1048575,
-    0x1e75, 1048575,
-    0x1e77, 1048575,
-    0x1e79, 1048575,
-    0x1e7b, 1048575,
-    0x1e7d, 1048575,
-    0x1e7f, 1048575,
-    0x1e81, 1048575,
-    0x1e83, 1048575,
-    0x1e85, 1048575,
-    0x1e87, 1048575,
-    0x1e89, 1048575,
-    0x1e8b, 1048575,
-    0x1e8d, 1048575,
-    0x1e8f, 1048575,
-    0x1e91, 1048575,
-    0x1e93, 1048575,
-    0x1e95, 1048575,
-    0x1e9b, 1048517,
-    0x1ea1, 1048575,
-    0x1ea3, 1048575,
-    0x1ea5, 1048575,
-    0x1ea7, 1048575,
-    0x1ea9, 1048575,
-    0x1eab, 1048575,
-    0x1ead, 1048575,
-    0x1eaf, 1048575,
-    0x1eb1, 1048575,
-    0x1eb3, 1048575,
-    0x1eb5, 1048575,
-    0x1eb7, 1048575,
-    0x1eb9, 1048575,
-    0x1ebb, 1048575,
-    0x1ebd, 1048575,
-    0x1ebf, 1048575,
-    0x1ec1, 1048575,
-    0x1ec3, 1048575,
-    0x1ec5, 1048575,
-    0x1ec7, 1048575,
-    0x1ec9, 1048575,
-    0x1ecb, 1048575,
-    0x1ecd, 1048575,
-    0x1ecf, 1048575,
-    0x1ed1, 1048575,
-    0x1ed3, 1048575,
-    0x1ed5, 1048575,
-    0x1ed7, 1048575,
-    0x1ed9, 1048575,
-    0x1edb, 1048575,
-    0x1edd, 1048575,
-    0x1edf, 1048575,
-    0x1ee1, 1048575,
-    0x1ee3, 1048575,
-    0x1ee5, 1048575,
-    0x1ee7, 1048575,
-    0x1ee9, 1048575,
-    0x1eeb, 1048575,
-    0x1eed, 1048575,
-    0x1eef, 1048575,
-    0x1ef1, 1048575,
-    0x1ef3, 1048575,
-    0x1ef5, 1048575,
-    0x1ef7, 1048575,
-    0x1ef9, 1048575,
-    0x1efb, 1048575,
-    0x1efd, 1048575,
-    0x1eff, 1048575,
-    0x1f51, 1048584,
-    0x1f53, 1048584,
-    0x1f55, 1048584,
-    0x1f57, 1048584,
-    0x1fb3, 1048585,
-    0x1fbe, 1041371,
-    0x1fc3, 1048585,
-    0x1fe5, 1048583,
-    0x1ff3, 1048585,
-    0x214e, 1048548,
-    0x2184, 1048575,
-    0x2c61, 1048575,
-    0x2c65, 1037781,
-    0x2c66, 1037784,
-    0x2c68, 1048575,
-    0x2c6a, 1048575,
-    0x2c6c, 1048575,
-    0x2c73, 1048575,
-    0x2c76, 1048575,
-    0x2c81, 1048575,
-    0x2c83, 1048575,
-    0x2c85, 1048575,
-    0x2c87, 1048575,
-    0x2c89, 1048575,
-    0x2c8b, 1048575,
-    0x2c8d, 1048575,
-    0x2c8f, 1048575,
-    0x2c91, 1048575,
-    0x2c93, 1048575,
-    0x2c95, 1048575,
-    0x2c97, 1048575,
-    0x2c99, 1048575,
-    0x2c9b, 1048575,
-    0x2c9d, 1048575,
-    0x2c9f, 1048575,
-    0x2ca1, 1048575,
-    0x2ca3, 1048575,
-    0x2ca5, 1048575,
-    0x2ca7, 1048575,
-    0x2ca9, 1048575,
-    0x2cab, 1048575,
-    0x2cad, 1048575,
-    0x2caf, 1048575,
-    0x2cb1, 1048575,
-    0x2cb3, 1048575,
-    0x2cb5, 1048575,
-    0x2cb7, 1048575,
-    0x2cb9, 1048575,
-    0x2cbb, 1048575,
-    0x2cbd, 1048575,
-    0x2cbf, 1048575,
-    0x2cc1, 1048575,
-    0x2cc3, 1048575,
-    0x2cc5, 1048575,
-    0x2cc7, 1048575,
-    0x2cc9, 1048575,
-    0x2ccb, 1048575,
-    0x2ccd, 1048575,
-    0x2ccf, 1048575,
-    0x2cd1, 1048575,
-    0x2cd3, 1048575,
-    0x2cd5, 1048575,
-    0x2cd7, 1048575,
-    0x2cd9, 1048575,
-    0x2cdb, 1048575,
-    0x2cdd, 1048575,
-    0x2cdf, 1048575,
-    0x2ce1, 1048575,
-    0x2ce3, 1048575,
-    0x2cec, 1048575,
-    0x2cee, 1048575,
-    0x2cf3, 1048575,
-    0x2d27, 1041312,
-    0x2d2d, 1041312,
-    0xa641, 1048575,
-    0xa643, 1048575,
-    0xa645, 1048575,
-    0xa647, 1048575,
-    0xa649, 1048575,
-    0xa64b, 1048575,
-    0xa64d, 1048575,
-    0xa64f, 1048575,
-    0xa651, 1048575,
-    0xa653, 1048575,
-    0xa655, 1048575,
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+	0xa65d, 1048575,
+	0xa65f, 1048575,
+	0xa661, 1048575,
+	0xa663, 1048575,
+	0xa665, 1048575,
+	0xa667, 1048575,
+	0xa669, 1048575,
+	0xa66b, 1048575,
+	0xa66d, 1048575,
+	0xa681, 1048575,
+	0xa683, 1048575,
+	0xa685, 1048575,
+	0xa687, 1048575,
+	0xa689, 1048575,
+	0xa68b, 1048575,
+	0xa68d, 1048575,
+	0xa68f, 1048575,
+	0xa691, 1048575,
+	0xa693, 1048575,
+	0xa695, 1048575,
+	0xa697, 1048575,
+	0xa699, 1048575,
+	0xa69b, 1048575,
+	0xa723, 1048575,
+	0xa725, 1048575,
+	0xa727, 1048575,
+	0xa729, 1048575,
+	0xa72b, 1048575,
+	0xa72d, 1048575,
+	0xa72f, 1048575,
+	0xa733, 1048575,
+	0xa735, 1048575,
+	0xa737, 1048575,
+	0xa739, 1048575,
+	0xa73b, 1048575,
+	0xa73d, 1048575,
+	0xa73f, 1048575,
+	0xa741, 1048575,
+	0xa743, 1048575,
+	0xa745, 1048575,
+	0xa747, 1048575,
+	0xa749, 1048575,
+	0xa74b, 1048575,
+	0xa74d, 1048575,
+	0xa74f, 1048575,
+	0xa751, 1048575,
+	0xa753, 1048575,
+	0xa755, 1048575,
+	0xa757, 1048575,
+	0xa759, 1048575,
+	0xa75b, 1048575,
+	0xa75d, 1048575,
+	0xa75f, 1048575,
+	0xa761, 1048575,
+	0xa763, 1048575,
+	0xa765, 1048575,
+	0xa767, 1048575,
+	0xa769, 1048575,
+	0xa76b, 1048575,
+	0xa76d, 1048575,
+	0xa76f, 1048575,
+	0xa77a, 1048575,
+	0xa77c, 1048575,
+	0xa77f, 1048575,
+	0xa781, 1048575,
+	0xa783, 1048575,
+	0xa785, 1048575,
+	0xa787, 1048575,
+	0xa78c, 1048575,
+	0xa791, 1048575,
+	0xa793, 1048575,
+	0xa797, 1048575,
+	0xa799, 1048575,
+	0xa79b, 1048575,
+	0xa79d, 1048575,
+	0xa79f, 1048575,
+	0xa7a1, 1048575,
+	0xa7a3, 1048575,
+	0xa7a5, 1048575,
+	0xa7a7, 1048575,
+	0xa7a9, 1048575,
 };
 
 } // !namespace
 
-char32_t toupper(char32_t c) noexcept
+auto toupper(char32_t c) noexcept -> char32_t
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, toupperr, nelem (toupperr) / 3, 3);
+	p = search(c, toupperr, nelem (toupperr) / 3, 3);
 
-    if (p && c >= p[0] && c <= p[1])
-        return c + p[2] - 1048576;
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
 
-    p = rbsearch(c, touppers, nelem (touppers) / 2, 2);
+	p = search(c, touppers, nelem (touppers) / 2, 2);
 
-    if (p && c == p[0])
-        return c + p[1] - 1048576;
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
 
-    return c;
+	return c;
 }
 
 namespace {
 
 const char32_t tolowerr[] = {
-    0x0041, 0x005a, 1048608,
-    0x00c0, 0x00d6, 1048608,
-    0x00d8, 0x00de, 1048608,
-    0x0189, 0x018a, 1048781,
-    0x01b1, 0x01b2, 1048793,
-    0x0388, 0x038a, 1048613,
-    0x038e, 0x038f, 1048639,
-    0x0391, 0x03a1, 1048608,
-    0x03a3, 0x03ab, 1048608,
-    0x03fd, 0x03ff, 1048446,
-    0x0400, 0x040f, 1048656,
-    0x0410, 0x042f, 1048608,
-    0x0531, 0x0556, 1048624,
-    0x10a0, 0x10c5, 1055840,
-    0x1f08, 0x1f0f, 1048568,
-    0x1f18, 0x1f1d, 1048568,
-    0x1f28, 0x1f2f, 1048568,
-    0x1f38, 0x1f3f, 1048568,
-    0x1f48, 0x1f4d, 1048568,
-    0x1f68, 0x1f6f, 1048568,
-    0x1f88, 0x1f8f, 1048568,
-    0x1f98, 0x1f9f, 1048568,
-    0x1fa8, 0x1faf, 1048568,
-    0x1fb8, 0x1fb9, 1048568,
-    0x1fba, 0x1fbb, 1048502,
-    0x1fc8, 0x1fcb, 1048490,
-    0x1fd8, 0x1fd9, 1048568,
-    0x1fda, 0x1fdb, 1048476,
-    0x1fe8, 0x1fe9, 1048568,
-    0x1fea, 0x1feb, 1048464,
-    0x1ff8, 0x1ff9, 1048448,
-    0x1ffa, 0x1ffb, 1048450,
-    0x2160, 0x216f, 1048592,
-    0x24b6, 0x24cf, 1048602,
-    0x2c00, 0x2c2e, 1048624,
-    0x2c7e, 0x2c7f, 1037761,
-    0xff21, 0xff3a, 1048608,
-    0x10400, 0x10427, 1048616,
-    0x118a0, 0x118bf, 1048608,
+	0x0041, 0x005a, 1048608,
+	0x00c0, 0x00d6, 1048608,
+	0x00d8, 0x00de, 1048608,
+	0x0189, 0x018a, 1048781,
+	0x01b1, 0x01b2, 1048793,
+	0x0388, 0x038a, 1048613,
+	0x038e, 0x038f, 1048639,
+	0x0391, 0x03a1, 1048608,
+	0x03a3, 0x03ab, 1048608,
+	0x03fd, 0x03ff, 1048446,
+	0x0400, 0x040f, 1048656,
+	0x0410, 0x042f, 1048608,
+	0x0531, 0x0556, 1048624,
+	0x10a0, 0x10c5, 1055840,
+	0x1f08, 0x1f0f, 1048568,
+	0x1f18, 0x1f1d, 1048568,
+	0x1f28, 0x1f2f, 1048568,
+	0x1f38, 0x1f3f, 1048568,
+	0x1f48, 0x1f4d, 1048568,
+	0x1f68, 0x1f6f, 1048568,
+	0x1f88, 0x1f8f, 1048568,
+	0x1f98, 0x1f9f, 1048568,
+	0x1fa8, 0x1faf, 1048568,
+	0x1fb8, 0x1fb9, 1048568,
+	0x1fba, 0x1fbb, 1048502,
+	0x1fc8, 0x1fcb, 1048490,
+	0x1fd8, 0x1fd9, 1048568,
+	0x1fda, 0x1fdb, 1048476,
+	0x1fe8, 0x1fe9, 1048568,
+	0x1fea, 0x1feb, 1048464,
+	0x1ff8, 0x1ff9, 1048448,
+	0x1ffa, 0x1ffb, 1048450,
+	0x2160, 0x216f, 1048592,
+	0x24b6, 0x24cf, 1048602,
+	0x2c00, 0x2c2e, 1048624,
+	0x2c7e, 0x2c7f, 1037761,
+	0xff21, 0xff3a, 1048608,
+	0x10400, 0x10427, 1048616,
+	0x118a0, 0x118bf, 1048608,
 };
 
 } // !namespace
@@ -3371,666 +3371,666 @@
 namespace {
 
 const char32_t tolowers[] = {
-    0x0100, 1048577,
-    0x0102, 1048577,
-    0x0104, 1048577,
-    0x0106, 1048577,
-    0x0108, 1048577,
-    0x010a, 1048577,
-    0x010c, 1048577,
-    0x010e, 1048577,
-    0x0110, 1048577,
-    0x0112, 1048577,
-    0x0114, 1048577,
-    0x0116, 1048577,
-    0x0118, 1048577,
-    0x011a, 1048577,
-    0x011c, 1048577,
-    0x011e, 1048577,
-    0x0120, 1048577,
-    0x0122, 1048577,
-    0x0124, 1048577,
-    0x0126, 1048577,
-    0x0128, 1048577,
-    0x012a, 1048577,
-    0x012c, 1048577,
-    0x012e, 1048577,
-    0x0130, 1048377,
-    0x0132, 1048577,
-    0x0134, 1048577,
-    0x0136, 1048577,
-    0x0139, 1048577,
-    0x013b, 1048577,
-    0x013d, 1048577,
-    0x013f, 1048577,
-    0x0141, 1048577,
-    0x0143, 1048577,
-    0x0145, 1048577,
-    0x0147, 1048577,
-    0x014a, 1048577,
-    0x014c, 1048577,
-    0x014e, 1048577,
-    0x0150, 1048577,
-    0x0152, 1048577,
-    0x0154, 1048577,
-    0x0156, 1048577,
-    0x0158, 1048577,
-    0x015a, 1048577,
-    0x015c, 1048577,
-    0x015e, 1048577,
-    0x0160, 1048577,
-    0x0162, 1048577,
-    0x0164, 1048577,
-    0x0166, 1048577,
-    0x0168, 1048577,
-    0x016a, 1048577,
-    0x016c, 1048577,
-    0x016e, 1048577,
-    0x0170, 1048577,
-    0x0172, 1048577,
-    0x0174, 1048577,
-    0x0176, 1048577,
-    0x0178, 1048455,
-    0x0179, 1048577,
-    0x017b, 1048577,
-    0x017d, 1048577,
-    0x0181, 1048786,
-    0x0182, 1048577,
-    0x0184, 1048577,
-    0x0186, 1048782,
-    0x0187, 1048577,
-    0x018b, 1048577,
-    0x018e, 1048655,
-    0x018f, 1048778,
-    0x0190, 1048779,
-    0x0191, 1048577,
-    0x0193, 1048781,
-    0x0194, 1048783,
-    0x0196, 1048787,
-    0x0197, 1048785,
-    0x0198, 1048577,
-    0x019c, 1048787,
-    0x019d, 1048789,
-    0x019f, 1048790,
-    0x01a0, 1048577,
-    0x01a2, 1048577,
-    0x01a4, 1048577,
-    0x01a6, 1048794,
-    0x01a7, 1048577,
-    0x01a9, 1048794,
-    0x01ac, 1048577,
-    0x01ae, 1048794,
-    0x01af, 1048577,
-    0x01b3, 1048577,
-    0x01b5, 1048577,
-    0x01b7, 1048795,
-    0x01b8, 1048577,
-    0x01bc, 1048577,
-    0x01c4, 1048578,
-    0x01c5, 1048577,
-    0x01c7, 1048578,
-    0x01c8, 1048577,
-    0x01ca, 1048578,
-    0x01cb, 1048577,
-    0x01cd, 1048577,
-    0x01cf, 1048577,
-    0x01d1, 1048577,
-    0x01d3, 1048577,
-    0x01d5, 1048577,
-    0x01d7, 1048577,
-    0x01d9, 1048577,
-    0x01db, 1048577,
-    0x01de, 1048577,
-    0x01e0, 1048577,
-    0x01e2, 1048577,
-    0x01e4, 1048577,
-    0x01e6, 1048577,
-    0x01e8, 1048577,
-    0x01ea, 1048577,
-    0x01ec, 1048577,
-    0x01ee, 1048577,
-    0x01f1, 1048578,
-    0x01f2, 1048577,
-    0x01f4, 1048577,
-    0x01f6, 1048479,
-    0x01f7, 1048520,
-    0x01f8, 1048577,
-    0x01fa, 1048577,
-    0x01fc, 1048577,
-    0x01fe, 1048577,
-    0x0200, 1048577,
-    0x0202, 1048577,
-    0x0204, 1048577,
-    0x0206, 1048577,
-    0x0208, 1048577,
-    0x020a, 1048577,
-    0x020c, 1048577,
-    0x020e, 1048577,
-    0x0210, 1048577,
-    0x0212, 1048577,
-    0x0214, 1048577,
-    0x0216, 1048577,
-    0x0218, 1048577,
-    0x021a, 1048577,
-    0x021c, 1048577,
-    0x021e, 1048577,
-    0x0220, 1048446,
-    0x0222, 1048577,
-    0x0224, 1048577,
-    0x0226, 1048577,
-    0x0228, 1048577,
-    0x022a, 1048577,
-    0x022c, 1048577,
-    0x022e, 1048577,
-    0x0230, 1048577,
-    0x0232, 1048577,
-    0x023a, 1059371,
-    0x023b, 1048577,
-    0x023d, 1048413,
-    0x023e, 1059368,
-    0x0241, 1048577,
-    0x0243, 1048381,
-    0x0244, 1048645,
-    0x0245, 1048647,
-    0x0246, 1048577,
-    0x0248, 1048577,
-    0x024a, 1048577,
-    0x024c, 1048577,
-    0x024e, 1048577,
-    0x0370, 1048577,
-    0x0372, 1048577,
-    0x0376, 1048577,
-    0x037f, 1048692,
-    0x0386, 1048614,
-    0x038c, 1048640,
-    0x03cf, 1048584,
-    0x03d8, 1048577,
-    0x03da, 1048577,
-    0x03dc, 1048577,
-    0x03de, 1048577,
-    0x03e0, 1048577,
-    0x03e2, 1048577,
-    0x03e4, 1048577,
-    0x03e6, 1048577,
-    0x03e8, 1048577,
-    0x03ea, 1048577,
-    0x03ec, 1048577,
-    0x03ee, 1048577,
-    0x03f4, 1048516,
-    0x03f7, 1048577,
-    0x03f9, 1048569,
-    0x03fa, 1048577,
-    0x0460, 1048577,
-    0x0462, 1048577,
-    0x0464, 1048577,
-    0x0466, 1048577,
-    0x0468, 1048577,
-    0x046a, 1048577,
-    0x046c, 1048577,
-    0x046e, 1048577,
-    0x0470, 1048577,
-    0x0472, 1048577,
-    0x0474, 1048577,
-    0x0476, 1048577,
-    0x0478, 1048577,
-    0x047a, 1048577,
-    0x047c, 1048577,
-    0x047e, 1048577,
-    0x0480, 1048577,
-    0x048a, 1048577,
-    0x048c, 1048577,
-    0x048e, 1048577,
-    0x0490, 1048577,
-    0x0492, 1048577,
-    0x0494, 1048577,
-    0x0496, 1048577,
-    0x0498, 1048577,
-    0x049a, 1048577,
-    0x049c, 1048577,
-    0x049e, 1048577,
-    0x04a0, 1048577,
-    0x04a2, 1048577,
-    0x04a4, 1048577,
-    0x04a6, 1048577,
-    0x04a8, 1048577,
-    0x04aa, 1048577,
-    0x04ac, 1048577,
-    0x04ae, 1048577,
-    0x04b0, 1048577,
-    0x04b2, 1048577,
-    0x04b4, 1048577,
-    0x04b6, 1048577,
-    0x04b8, 1048577,
-    0x04ba, 1048577,
-    0x04bc, 1048577,
-    0x04be, 1048577,
-    0x04c0, 1048591,
-    0x04c1, 1048577,
-    0x04c3, 1048577,
-    0x04c5, 1048577,
-    0x04c7, 1048577,
-    0x04c9, 1048577,
-    0x04cb, 1048577,
-    0x04cd, 1048577,
-    0x04d0, 1048577,
-    0x04d2, 1048577,
-    0x04d4, 1048577,
-    0x04d6, 1048577,
-    0x04d8, 1048577,
-    0x04da, 1048577,
-    0x04dc, 1048577,
-    0x04de, 1048577,
-    0x04e0, 1048577,
-    0x04e2, 1048577,
-    0x04e4, 1048577,
-    0x04e6, 1048577,
-    0x04e8, 1048577,
-    0x04ea, 1048577,
-    0x04ec, 1048577,
-    0x04ee, 1048577,
-    0x04f0, 1048577,
-    0x04f2, 1048577,
-    0x04f4, 1048577,
-    0x04f6, 1048577,
-    0x04f8, 1048577,
-    0x04fa, 1048577,
-    0x04fc, 1048577,
-    0x04fe, 1048577,
-    0x0500, 1048577,
-    0x0502, 1048577,
-    0x0504, 1048577,
-    0x0506, 1048577,
-    0x0508, 1048577,
-    0x050a, 1048577,
-    0x050c, 1048577,
-    0x050e, 1048577,
-    0x0510, 1048577,
-    0x0512, 1048577,
-    0x0514, 1048577,
-    0x0516, 1048577,
-    0x0518, 1048577,
-    0x051a, 1048577,
-    0x051c, 1048577,
-    0x051e, 1048577,
-    0x0520, 1048577,
-    0x0522, 1048577,
-    0x0524, 1048577,
-    0x0526, 1048577,
-    0x0528, 1048577,
-    0x052a, 1048577,
-    0x052c, 1048577,
-    0x052e, 1048577,
-    0x10c7, 1055840,
-    0x10cd, 1055840,
-    0x1e00, 1048577,
-    0x1e02, 1048577,
-    0x1e04, 1048577,
-    0x1e06, 1048577,
-    0x1e08, 1048577,
-    0x1e0a, 1048577,
-    0x1e0c, 1048577,
-    0x1e0e, 1048577,
-    0x1e10, 1048577,
-    0x1e12, 1048577,
-    0x1e14, 1048577,
-    0x1e16, 1048577,
-    0x1e18, 1048577,
-    0x1e1a, 1048577,
-    0x1e1c, 1048577,
-    0x1e1e, 1048577,
-    0x1e20, 1048577,
-    0x1e22, 1048577,
-    0x1e24, 1048577,
-    0x1e26, 1048577,
-    0x1e28, 1048577,
-    0x1e2a, 1048577,
-    0x1e2c, 1048577,
-    0x1e2e, 1048577,
-    0x1e30, 1048577,
-    0x1e32, 1048577,
-    0x1e34, 1048577,
-    0x1e36, 1048577,
-    0x1e38, 1048577,
-    0x1e3a, 1048577,
-    0x1e3c, 1048577,
-    0x1e3e, 1048577,
-    0x1e40, 1048577,
-    0x1e42, 1048577,
-    0x1e44, 1048577,
-    0x1e46, 1048577,
-    0x1e48, 1048577,
-    0x1e4a, 1048577,
-    0x1e4c, 1048577,
-    0x1e4e, 1048577,
-    0x1e50, 1048577,
-    0x1e52, 1048577,
-    0x1e54, 1048577,
-    0x1e56, 1048577,
-    0x1e58, 1048577,
-    0x1e5a, 1048577,
-    0x1e5c, 1048577,
-    0x1e5e, 1048577,
-    0x1e60, 1048577,
-    0x1e62, 1048577,
-    0x1e64, 1048577,
-    0x1e66, 1048577,
-    0x1e68, 1048577,
-    0x1e6a, 1048577,
-    0x1e6c, 1048577,
-    0x1e6e, 1048577,
-    0x1e70, 1048577,
-    0x1e72, 1048577,
-    0x1e74, 1048577,
-    0x1e76, 1048577,
-    0x1e78, 1048577,
-    0x1e7a, 1048577,
-    0x1e7c, 1048577,
-    0x1e7e, 1048577,
-    0x1e80, 1048577,
-    0x1e82, 1048577,
-    0x1e84, 1048577,
-    0x1e86, 1048577,
-    0x1e88, 1048577,
-    0x1e8a, 1048577,
-    0x1e8c, 1048577,
-    0x1e8e, 1048577,
-    0x1e90, 1048577,
-    0x1e92, 1048577,
-    0x1e94, 1048577,
-    0x1e9e, 1040961,
-    0x1ea0, 1048577,
-    0x1ea2, 1048577,
-    0x1ea4, 1048577,
-    0x1ea6, 1048577,
-    0x1ea8, 1048577,
-    0x1eaa, 1048577,
-    0x1eac, 1048577,
-    0x1eae, 1048577,
-    0x1eb0, 1048577,
-    0x1eb2, 1048577,
-    0x1eb4, 1048577,
-    0x1eb6, 1048577,
-    0x1eb8, 1048577,
-    0x1eba, 1048577,
-    0x1ebc, 1048577,
-    0x1ebe, 1048577,
-    0x1ec0, 1048577,
-    0x1ec2, 1048577,
-    0x1ec4, 1048577,
-    0x1ec6, 1048577,
-    0x1ec8, 1048577,
-    0x1eca, 1048577,
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+	0x1edc, 1048577,
+	0x1ede, 1048577,
+	0x1ee0, 1048577,
+	0x1ee2, 1048577,
+	0x1ee4, 1048577,
+	0x1ee6, 1048577,
+	0x1ee8, 1048577,
+	0x1eea, 1048577,
+	0x1eec, 1048577,
+	0x1eee, 1048577,
+	0x1ef0, 1048577,
+	0x1ef2, 1048577,
+	0x1ef4, 1048577,
+	0x1ef6, 1048577,
+	0x1ef8, 1048577,
+	0x1efa, 1048577,
+	0x1efc, 1048577,
+	0x1efe, 1048577,
+	0x1f59, 1048568,
+	0x1f5b, 1048568,
+	0x1f5d, 1048568,
+	0x1f5f, 1048568,
+	0x1fbc, 1048567,
+	0x1fcc, 1048567,
+	0x1fec, 1048569,
+	0x1ffc, 1048567,
+	0x2126, 1041059,
+	0x212a, 1040193,
+	0x212b, 1040314,
+	0x2132, 1048604,
+	0x2183, 1048577,
+	0x2c60, 1048577,
+	0x2c62, 1037833,
+	0x2c63, 1044762,
+	0x2c64, 1037849,
+	0x2c67, 1048577,
+	0x2c69, 1048577,
+	0x2c6b, 1048577,
+	0x2c6d, 1037796,
+	0x2c6e, 1037827,
+	0x2c6f, 1037793,
+	0x2c70, 1037794,
+	0x2c72, 1048577,
+	0x2c75, 1048577,
+	0x2c80, 1048577,
+	0x2c82, 1048577,
+	0x2c84, 1048577,
+	0x2c86, 1048577,
+	0x2c88, 1048577,
+	0x2c8a, 1048577,
+	0x2c8c, 1048577,
+	0x2c8e, 1048577,
+	0x2c90, 1048577,
+	0x2c92, 1048577,
+	0x2c94, 1048577,
+	0x2c96, 1048577,
+	0x2c98, 1048577,
+	0x2c9a, 1048577,
+	0x2c9c, 1048577,
+	0x2c9e, 1048577,
+	0x2ca0, 1048577,
+	0x2ca2, 1048577,
+	0x2ca4, 1048577,
+	0x2ca6, 1048577,
+	0x2ca8, 1048577,
+	0x2caa, 1048577,
+	0x2cac, 1048577,
+	0x2cae, 1048577,
+	0x2cb0, 1048577,
+	0x2cb2, 1048577,
+	0x2cb4, 1048577,
+	0x2cb6, 1048577,
+	0x2cb8, 1048577,
+	0x2cba, 1048577,
+	0x2cbc, 1048577,
+	0x2cbe, 1048577,
+	0x2cc0, 1048577,
+	0x2cc2, 1048577,
+	0x2cc4, 1048577,
+	0x2cc6, 1048577,
+	0x2cc8, 1048577,
+	0x2cca, 1048577,
+	0x2ccc, 1048577,
+	0x2cce, 1048577,
+	0x2cd0, 1048577,
+	0x2cd2, 1048577,
+	0x2cd4, 1048577,
+	0x2cd6, 1048577,
+	0x2cd8, 1048577,
+	0x2cda, 1048577,
+	0x2cdc, 1048577,
+	0x2cde, 1048577,
+	0x2ce0, 1048577,
+	0x2ce2, 1048577,
+	0x2ceb, 1048577,
+	0x2ced, 1048577,
+	0x2cf2, 1048577,
+	0xa640, 1048577,
+	0xa642, 1048577,
+	0xa644, 1048577,
+	0xa646, 1048577,
+	0xa648, 1048577,
+	0xa64a, 1048577,
+	0xa64c, 1048577,
+	0xa64e, 1048577,
+	0xa650, 1048577,
+	0xa652, 1048577,
+	0xa654, 1048577,
+	0xa656, 1048577,
+	0xa658, 1048577,
+	0xa65a, 1048577,
+	0xa65c, 1048577,
+	0xa65e, 1048577,
+	0xa660, 1048577,
+	0xa662, 1048577,
+	0xa664, 1048577,
+	0xa666, 1048577,
+	0xa668, 1048577,
+	0xa66a, 1048577,
+	0xa66c, 1048577,
+	0xa680, 1048577,
+	0xa682, 1048577,
+	0xa684, 1048577,
+	0xa686, 1048577,
+	0xa688, 1048577,
+	0xa68a, 1048577,
+	0xa68c, 1048577,
+	0xa68e, 1048577,
+	0xa690, 1048577,
+	0xa692, 1048577,
+	0xa694, 1048577,
+	0xa696, 1048577,
+	0xa698, 1048577,
+	0xa69a, 1048577,
+	0xa722, 1048577,
+	0xa724, 1048577,
+	0xa726, 1048577,
+	0xa728, 1048577,
+	0xa72a, 1048577,
+	0xa72c, 1048577,
+	0xa72e, 1048577,
+	0xa732, 1048577,
+	0xa734, 1048577,
+	0xa736, 1048577,
+	0xa738, 1048577,
+	0xa73a, 1048577,
+	0xa73c, 1048577,
+	0xa73e, 1048577,
+	0xa740, 1048577,
+	0xa742, 1048577,
+	0xa744, 1048577,
+	0xa746, 1048577,
+	0xa748, 1048577,
+	0xa74a, 1048577,
+	0xa74c, 1048577,
+	0xa74e, 1048577,
+	0xa750, 1048577,
+	0xa752, 1048577,
+	0xa754, 1048577,
+	0xa756, 1048577,
+	0xa758, 1048577,
+	0xa75a, 1048577,
+	0xa75c, 1048577,
+	0xa75e, 1048577,
+	0xa760, 1048577,
+	0xa762, 1048577,
+	0xa764, 1048577,
+	0xa766, 1048577,
+	0xa768, 1048577,
+	0xa76a, 1048577,
+	0xa76c, 1048577,
+	0xa76e, 1048577,
+	0xa779, 1048577,
+	0xa77b, 1048577,
+	0xa77d, 1013244,
+	0xa77e, 1048577,
+	0xa780, 1048577,
+	0xa782, 1048577,
+	0xa784, 1048577,
+	0xa786, 1048577,
+	0xa78b, 1048577,
+	0xa78d, 1006296,
+	0xa790, 1048577,
+	0xa792, 1048577,
+	0xa796, 1048577,
+	0xa798, 1048577,
+	0xa79a, 1048577,
+	0xa79c, 1048577,
+	0xa79e, 1048577,
+	0xa7a0, 1048577,
+	0xa7a2, 1048577,
+	0xa7a4, 1048577,
+	0xa7a6, 1048577,
+	0xa7a8, 1048577,
+	0xa7aa, 1006268,
+	0xa7ab, 1006257,
+	0xa7ac, 1006261,
+	0xa7ad, 1006271,
+	0xa7b0, 1006318,
+	0xa7b1, 1006294,
 };
 
 } // !namespace
 
-char32_t tolower(char32_t c) noexcept
+auto tolower(char32_t c) noexcept -> char32_t
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, tolowerr, nelem (tolowerr) / 3, 3);
+	p = search(c, tolowerr, nelem (tolowerr) / 3, 3);
 
-    if (p && c >= p[0] && c <= p[1])
-        return c + p[2] - 1048576;
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
 
-    p = rbsearch(c, tolowers, nelem (tolowers) / 2, 2);
+	p = search(c, tolowers, nelem (tolowers) / 2, 2);
 
-    if (p && c == p[0])
-        return c + p[1] - 1048576;
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
 
-    return c;
+	return c;
 }
 
 namespace {
 
 const char32_t totitler[] = {
-    0x0061, 0x007a, 1048544,
-    0x00e0, 0x00f6, 1048544,
-    0x00f8, 0x00fe, 1048544,
-    0x023f, 0x0240, 1059391,
-    0x0256, 0x0257, 1048371,
-    0x028a, 0x028b, 1048359,
-    0x037b, 0x037d, 1048706,
-    0x03ad, 0x03af, 1048539,
-    0x03b1, 0x03c1, 1048544,
-    0x03c3, 0x03cb, 1048544,
-    0x03cd, 0x03ce, 1048513,
-    0x0430, 0x044f, 1048544,
-    0x0450, 0x045f, 1048496,
-    0x0561, 0x0586, 1048528,
-    0x1f00, 0x1f07, 1048584,
-    0x1f10, 0x1f15, 1048584,
-    0x1f20, 0x1f27, 1048584,
-    0x1f30, 0x1f37, 1048584,
-    0x1f40, 0x1f45, 1048584,
-    0x1f60, 0x1f67, 1048584,
-    0x1f70, 0x1f71, 1048650,
-    0x1f72, 0x1f75, 1048662,
-    0x1f76, 0x1f77, 1048676,
-    0x1f78, 0x1f79, 1048704,
-    0x1f7a, 0x1f7b, 1048688,
-    0x1f7c, 0x1f7d, 1048702,
-    0x1f80, 0x1f87, 1048584,
-    0x1f90, 0x1f97, 1048584,
-    0x1fa0, 0x1fa7, 1048584,
-    0x1fb0, 0x1fb1, 1048584,
-    0x1fd0, 0x1fd1, 1048584,
-    0x1fe0, 0x1fe1, 1048584,
-    0x2170, 0x217f, 1048560,
-    0x24d0, 0x24e9, 1048550,
-    0x2c30, 0x2c5e, 1048528,
-    0x2d00, 0x2d25, 1041312,
-    0xff41, 0xff5a, 1048544,
-    0x10428, 0x1044f, 1048536,
-    0x118c0, 0x118df, 1048544,
+	0x0061, 0x007a, 1048544,
+	0x00e0, 0x00f6, 1048544,
+	0x00f8, 0x00fe, 1048544,
+	0x023f, 0x0240, 1059391,
+	0x0256, 0x0257, 1048371,
+	0x028a, 0x028b, 1048359,
+	0x037b, 0x037d, 1048706,
+	0x03ad, 0x03af, 1048539,
+	0x03b1, 0x03c1, 1048544,
+	0x03c3, 0x03cb, 1048544,
+	0x03cd, 0x03ce, 1048513,
+	0x0430, 0x044f, 1048544,
+	0x0450, 0x045f, 1048496,
+	0x0561, 0x0586, 1048528,
+	0x1f00, 0x1f07, 1048584,
+	0x1f10, 0x1f15, 1048584,
+	0x1f20, 0x1f27, 1048584,
+	0x1f30, 0x1f37, 1048584,
+	0x1f40, 0x1f45, 1048584,
+	0x1f60, 0x1f67, 1048584,
+	0x1f70, 0x1f71, 1048650,
+	0x1f72, 0x1f75, 1048662,
+	0x1f76, 0x1f77, 1048676,
+	0x1f78, 0x1f79, 1048704,
+	0x1f7a, 0x1f7b, 1048688,
+	0x1f7c, 0x1f7d, 1048702,
+	0x1f80, 0x1f87, 1048584,
+	0x1f90, 0x1f97, 1048584,
+	0x1fa0, 0x1fa7, 1048584,
+	0x1fb0, 0x1fb1, 1048584,
+	0x1fd0, 0x1fd1, 1048584,
+	0x1fe0, 0x1fe1, 1048584,
+	0x2170, 0x217f, 1048560,
+	0x24d0, 0x24e9, 1048550,
+	0x2c30, 0x2c5e, 1048528,
+	0x2d00, 0x2d25, 1041312,
+	0xff41, 0xff5a, 1048544,
+	0x10428, 0x1044f, 1048536,
+	0x118c0, 0x118df, 1048544,
 };
 
 } // !namespace
@@ -4038,801 +4038,801 @@
 namespace {
 
 const char32_t totitles[] = {
-    0x00b5, 1049319,
-    0x00ff, 1048697,
-    0x0101, 1048575,
-    0x0103, 1048575,
-    0x0105, 1048575,
-    0x0107, 1048575,
-    0x0109, 1048575,
-    0x010b, 1048575,
-    0x010d, 1048575,
-    0x010f, 1048575,
-    0x0111, 1048575,
-    0x0113, 1048575,
-    0x0115, 1048575,
-    0x0117, 1048575,
-    0x0119, 1048575,
-    0x011b, 1048575,
-    0x011d, 1048575,
-    0x011f, 1048575,
-    0x0121, 1048575,
-    0x0123, 1048575,
-    0x0125, 1048575,
-    0x0127, 1048575,
-    0x0129, 1048575,
-    0x012b, 1048575,
-    0x012d, 1048575,
-    0x012f, 1048575,
-    0x0131, 1048344,
-    0x0133, 1048575,
-    0x0135, 1048575,
-    0x0137, 1048575,
-    0x013a, 1048575,
-    0x013c, 1048575,
-    0x013e, 1048575,
-    0x0140, 1048575,
-    0x0142, 1048575,
-    0x0144, 1048575,
-    0x0146, 1048575,
-    0x0148, 1048575,
-    0x014b, 1048575,
-    0x014d, 1048575,
-    0x014f, 1048575,
-    0x0151, 1048575,
-    0x0153, 1048575,
-    0x0155, 1048575,
-    0x0157, 1048575,
-    0x0159, 1048575,
-    0x015b, 1048575,
-    0x015d, 1048575,
-    0x015f, 1048575,
-    0x0161, 1048575,
-    0x0163, 1048575,
-    0x0165, 1048575,
-    0x0167, 1048575,
-    0x0169, 1048575,
-    0x016b, 1048575,
-    0x016d, 1048575,
-    0x016f, 1048575,
-    0x0171, 1048575,
-    0x0173, 1048575,
-    0x0175, 1048575,
-    0x0177, 1048575,
-    0x017a, 1048575,
-    0x017c, 1048575,
-    0x017e, 1048575,
-    0x017f, 1048276,
-    0x0180, 1048771,
-    0x0183, 1048575,
-    0x0185, 1048575,
-    0x0188, 1048575,
-    0x018c, 1048575,
-    0x0192, 1048575,
-    0x0195, 1048673,
-    0x0199, 1048575,
-    0x019a, 1048739,
-    0x019e, 1048706,
-    0x01a1, 1048575,
-    0x01a3, 1048575,
-    0x01a5, 1048575,
-    0x01a8, 1048575,
-    0x01ad, 1048575,
-    0x01b0, 1048575,
-    0x01b4, 1048575,
-    0x01b6, 1048575,
-    0x01b9, 1048575,
-    0x01bd, 1048575,
-    0x01bf, 1048632,
-    0x01c4, 1048577,
-    0x01c6, 1048575,
-    0x01c7, 1048577,
-    0x01c9, 1048575,
-    0x01ca, 1048577,
-    0x01cc, 1048575,
-    0x01ce, 1048575,
-    0x01d0, 1048575,
-    0x01d2, 1048575,
-    0x01d4, 1048575,
-    0x01d6, 1048575,
-    0x01d8, 1048575,
-    0x01da, 1048575,
-    0x01dc, 1048575,
-    0x01dd, 1048497,
-    0x01df, 1048575,
-    0x01e1, 1048575,
-    0x01e3, 1048575,
-    0x01e5, 1048575,
-    0x01e7, 1048575,
-    0x01e9, 1048575,
-    0x01eb, 1048575,
-    0x01ed, 1048575,
-    0x01ef, 1048575,
-    0x01f1, 1048577,
-    0x01f3, 1048575,
-    0x01f5, 1048575,
-    0x01f9, 1048575,
-    0x01fb, 1048575,
-    0x01fd, 1048575,
-    0x01ff, 1048575,
-    0x0201, 1048575,
-    0x0203, 1048575,
-    0x0205, 1048575,
-    0x0207, 1048575,
-    0x0209, 1048575,
-    0x020b, 1048575,
-    0x020d, 1048575,
-    0x020f, 1048575,
-    0x0211, 1048575,
-    0x0213, 1048575,
-    0x0215, 1048575,
-    0x0217, 1048575,
-    0x0219, 1048575,
-    0x021b, 1048575,
-    0x021d, 1048575,
-    0x021f, 1048575,
-    0x0223, 1048575,
-    0x0225, 1048575,
-    0x0227, 1048575,
-    0x0229, 1048575,
-    0x022b, 1048575,
-    0x022d, 1048575,
-    0x022f, 1048575,
-    0x0231, 1048575,
-    0x0233, 1048575,
-    0x023c, 1048575,
-    0x0242, 1048575,
-    0x0247, 1048575,
-    0x0249, 1048575,
-    0x024b, 1048575,
-    0x024d, 1048575,
-    0x024f, 1048575,
-    0x0250, 1059359,
-    0x0251, 1059356,
-    0x0252, 1059358,
-    0x0253, 1048366,
-    0x0254, 1048370,
-    0x0259, 1048374,
-    0x025b, 1048373,
-    0x025c, 1090895,
-    0x0260, 1048371,
-    0x0261, 1090891,
-    0x0263, 1048369,
-    0x0265, 1090856,
-    0x0266, 1090884,
-    0x0268, 1048367,
-    0x0269, 1048365,
-    0x026b, 1059319,
-    0x026c, 1090881,
-    0x026f, 1048365,
-    0x0271, 1059325,
-    0x0272, 1048363,
-    0x0275, 1048362,
-    0x027d, 1059303,
-    0x0280, 1048358,
-    0x0283, 1048358,
-    0x0287, 1090858,
-    0x0288, 1048358,
-    0x0289, 1048507,
-    0x028c, 1048505,
-    0x0292, 1048357,
-    0x029e, 1090834,
-    0x0345, 1048660,
-    0x0371, 1048575,
-    0x0373, 1048575,
-    0x0377, 1048575,
-    0x03ac, 1048538,
-    0x03c2, 1048545,
-    0x03cc, 1048512,
-    0x03d0, 1048514,
-    0x03d1, 1048519,
-    0x03d5, 1048529,
-    0x03d6, 1048522,
-    0x03d7, 1048568,
-    0x03d9, 1048575,
-    0x03db, 1048575,
-    0x03dd, 1048575,
-    0x03df, 1048575,
-    0x03e1, 1048575,
-    0x03e3, 1048575,
-    0x03e5, 1048575,
-    0x03e7, 1048575,
-    0x03e9, 1048575,
-    0x03eb, 1048575,
-    0x03ed, 1048575,
-    0x03ef, 1048575,
-    0x03f0, 1048490,
-    0x03f1, 1048496,
-    0x03f2, 1048583,
-    0x03f3, 1048460,
-    0x03f5, 1048480,
-    0x03f8, 1048575,
-    0x03fb, 1048575,
-    0x0461, 1048575,
-    0x0463, 1048575,
-    0x0465, 1048575,
-    0x0467, 1048575,
-    0x0469, 1048575,
-    0x046b, 1048575,
-    0x046d, 1048575,
-    0x046f, 1048575,
-    0x0471, 1048575,
-    0x0473, 1048575,
-    0x0475, 1048575,
-    0x0477, 1048575,
-    0x0479, 1048575,
-    0x047b, 1048575,
-    0x047d, 1048575,
-    0x047f, 1048575,
-    0x0481, 1048575,
-    0x048b, 1048575,
-    0x048d, 1048575,
-    0x048f, 1048575,
-    0x0491, 1048575,
-    0x0493, 1048575,
-    0x0495, 1048575,
-    0x0497, 1048575,
-    0x0499, 1048575,
-    0x049b, 1048575,
-    0x049d, 1048575,
-    0x049f, 1048575,
-    0x04a1, 1048575,
-    0x04a3, 1048575,
-    0x04a5, 1048575,
-    0x04a7, 1048575,
-    0x04a9, 1048575,
-    0x04ab, 1048575,
-    0x04ad, 1048575,
-    0x04af, 1048575,
-    0x04b1, 1048575,
-    0x04b3, 1048575,
-    0x04b5, 1048575,
-    0x04b7, 1048575,
-    0x04b9, 1048575,
-    0x04bb, 1048575,
-    0x04bd, 1048575,
-    0x04bf, 1048575,
-    0x04c2, 1048575,
-    0x04c4, 1048575,
-    0x04c6, 1048575,
-    0x04c8, 1048575,
-    0x04ca, 1048575,
-    0x04cc, 1048575,
-    0x04ce, 1048575,
-    0x04cf, 1048561,
-    0x04d1, 1048575,
-    0x04d3, 1048575,
-    0x04d5, 1048575,
-    0x04d7, 1048575,
-    0x04d9, 1048575,
-    0x04db, 1048575,
-    0x04dd, 1048575,
-    0x04df, 1048575,
-    0x04e1, 1048575,
-    0x04e3, 1048575,
-    0x04e5, 1048575,
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+	0x04e7, 1048575,
+	0x04e9, 1048575,
+	0x04eb, 1048575,
+	0x04ed, 1048575,
+	0x04ef, 1048575,
+	0x04f1, 1048575,
+	0x04f3, 1048575,
+	0x04f5, 1048575,
+	0x04f7, 1048575,
+	0x04f9, 1048575,
+	0x04fb, 1048575,
+	0x04fd, 1048575,
+	0x04ff, 1048575,
+	0x0501, 1048575,
+	0x0503, 1048575,
+	0x0505, 1048575,
+	0x0507, 1048575,
+	0x0509, 1048575,
+	0x050b, 1048575,
+	0x050d, 1048575,
+	0x050f, 1048575,
+	0x0511, 1048575,
+	0x0513, 1048575,
+	0x0515, 1048575,
+	0x0517, 1048575,
+	0x0519, 1048575,
+	0x051b, 1048575,
+	0x051d, 1048575,
+	0x051f, 1048575,
+	0x0521, 1048575,
+	0x0523, 1048575,
+	0x0525, 1048575,
+	0x0527, 1048575,
+	0x0529, 1048575,
+	0x052b, 1048575,
+	0x052d, 1048575,
+	0x052f, 1048575,
+	0x1d79, 1083908,
+	0x1d7d, 1052390,
+	0x1e01, 1048575,
+	0x1e03, 1048575,
+	0x1e05, 1048575,
+	0x1e07, 1048575,
+	0x1e09, 1048575,
+	0x1e0b, 1048575,
+	0x1e0d, 1048575,
+	0x1e0f, 1048575,
+	0x1e11, 1048575,
+	0x1e13, 1048575,
+	0x1e15, 1048575,
+	0x1e17, 1048575,
+	0x1e19, 1048575,
+	0x1e1b, 1048575,
+	0x1e1d, 1048575,
+	0x1e1f, 1048575,
+	0x1e21, 1048575,
+	0x1e23, 1048575,
+	0x1e25, 1048575,
+	0x1e27, 1048575,
+	0x1e29, 1048575,
+	0x1e2b, 1048575,
+	0x1e2d, 1048575,
+	0x1e2f, 1048575,
+	0x1e31, 1048575,
+	0x1e33, 1048575,
+	0x1e35, 1048575,
+	0x1e37, 1048575,
+	0x1e39, 1048575,
+	0x1e3b, 1048575,
+	0x1e3d, 1048575,
+	0x1e3f, 1048575,
+	0x1e41, 1048575,
+	0x1e43, 1048575,
+	0x1e45, 1048575,
+	0x1e47, 1048575,
+	0x1e49, 1048575,
+	0x1e4b, 1048575,
+	0x1e4d, 1048575,
+	0x1e4f, 1048575,
+	0x1e51, 1048575,
+	0x1e53, 1048575,
+	0x1e55, 1048575,
+	0x1e57, 1048575,
+	0x1e59, 1048575,
+	0x1e5b, 1048575,
+	0x1e5d, 1048575,
+	0x1e5f, 1048575,
+	0x1e61, 1048575,
+	0x1e63, 1048575,
+	0x1e65, 1048575,
+	0x1e67, 1048575,
+	0x1e69, 1048575,
+	0x1e6b, 1048575,
+	0x1e6d, 1048575,
+	0x1e6f, 1048575,
+	0x1e71, 1048575,
+	0x1e73, 1048575,
+	0x1e75, 1048575,
+	0x1e77, 1048575,
+	0x1e79, 1048575,
+	0x1e7b, 1048575,
+	0x1e7d, 1048575,
+	0x1e7f, 1048575,
+	0x1e81, 1048575,
+	0x1e83, 1048575,
+	0x1e85, 1048575,
+	0x1e87, 1048575,
+	0x1e89, 1048575,
+	0x1e8b, 1048575,
+	0x1e8d, 1048575,
+	0x1e8f, 1048575,
+	0x1e91, 1048575,
+	0x1e93, 1048575,
+	0x1e95, 1048575,
+	0x1e9b, 1048517,
+	0x1ea1, 1048575,
+	0x1ea3, 1048575,
+	0x1ea5, 1048575,
+	0x1ea7, 1048575,
+	0x1ea9, 1048575,
+	0x1eab, 1048575,
+	0x1ead, 1048575,
+	0x1eaf, 1048575,
+	0x1eb1, 1048575,
+	0x1eb3, 1048575,
+	0x1eb5, 1048575,
+	0x1eb7, 1048575,
+	0x1eb9, 1048575,
+	0x1ebb, 1048575,
+	0x1ebd, 1048575,
+	0x1ebf, 1048575,
+	0x1ec1, 1048575,
+	0x1ec3, 1048575,
+	0x1ec5, 1048575,
+	0x1ec7, 1048575,
+	0x1ec9, 1048575,
+	0x1ecb, 1048575,
+	0x1ecd, 1048575,
+	0x1ecf, 1048575,
+	0x1ed1, 1048575,
+	0x1ed3, 1048575,
+	0x1ed5, 1048575,
+	0x1ed7, 1048575,
+	0x1ed9, 1048575,
+	0x1edb, 1048575,
+	0x1edd, 1048575,
+	0x1edf, 1048575,
+	0x1ee1, 1048575,
+	0x1ee3, 1048575,
+	0x1ee5, 1048575,
+	0x1ee7, 1048575,
+	0x1ee9, 1048575,
+	0x1eeb, 1048575,
+	0x1eed, 1048575,
+	0x1eef, 1048575,
+	0x1ef1, 1048575,
+	0x1ef3, 1048575,
+	0x1ef5, 1048575,
+	0x1ef7, 1048575,
+	0x1ef9, 1048575,
+	0x1efb, 1048575,
+	0x1efd, 1048575,
+	0x1eff, 1048575,
+	0x1f51, 1048584,
+	0x1f53, 1048584,
+	0x1f55, 1048584,
+	0x1f57, 1048584,
+	0x1fb3, 1048585,
+	0x1fbe, 1041371,
+	0x1fc3, 1048585,
+	0x1fe5, 1048583,
+	0x1ff3, 1048585,
+	0x214e, 1048548,
+	0x2184, 1048575,
+	0x2c61, 1048575,
+	0x2c65, 1037781,
+	0x2c66, 1037784,
+	0x2c68, 1048575,
+	0x2c6a, 1048575,
+	0x2c6c, 1048575,
+	0x2c73, 1048575,
+	0x2c76, 1048575,
+	0x2c81, 1048575,
+	0x2c83, 1048575,
+	0x2c85, 1048575,
+	0x2c87, 1048575,
+	0x2c89, 1048575,
+	0x2c8b, 1048575,
+	0x2c8d, 1048575,
+	0x2c8f, 1048575,
+	0x2c91, 1048575,
+	0x2c93, 1048575,
+	0x2c95, 1048575,
+	0x2c97, 1048575,
+	0x2c99, 1048575,
+	0x2c9b, 1048575,
+	0x2c9d, 1048575,
+	0x2c9f, 1048575,
+	0x2ca1, 1048575,
+	0x2ca3, 1048575,
+	0x2ca5, 1048575,
+	0x2ca7, 1048575,
+	0x2ca9, 1048575,
+	0x2cab, 1048575,
+	0x2cad, 1048575,
+	0x2caf, 1048575,
+	0x2cb1, 1048575,
+	0x2cb3, 1048575,
+	0x2cb5, 1048575,
+	0x2cb7, 1048575,
+	0x2cb9, 1048575,
+	0x2cbb, 1048575,
+	0x2cbd, 1048575,
+	0x2cbf, 1048575,
+	0x2cc1, 1048575,
+	0x2cc3, 1048575,
+	0x2cc5, 1048575,
+	0x2cc7, 1048575,
+	0x2cc9, 1048575,
+	0x2ccb, 1048575,
+	0x2ccd, 1048575,
+	0x2ccf, 1048575,
+	0x2cd1, 1048575,
+	0x2cd3, 1048575,
+	0x2cd5, 1048575,
+	0x2cd7, 1048575,
+	0x2cd9, 1048575,
+	0x2cdb, 1048575,
+	0x2cdd, 1048575,
+	0x2cdf, 1048575,
+	0x2ce1, 1048575,
+	0x2ce3, 1048575,
+	0x2cec, 1048575,
+	0x2cee, 1048575,
+	0x2cf3, 1048575,
+	0x2d27, 1041312,
+	0x2d2d, 1041312,
+	0xa641, 1048575,
+	0xa643, 1048575,
+	0xa645, 1048575,
+	0xa647, 1048575,
+	0xa649, 1048575,
+	0xa64b, 1048575,
+	0xa64d, 1048575,
+	0xa64f, 1048575,
+	0xa651, 1048575,
+	0xa653, 1048575,
+	0xa655, 1048575,
+	0xa657, 1048575,
+	0xa659, 1048575,
+	0xa65b, 1048575,
+	0xa65d, 1048575,
+	0xa65f, 1048575,
+	0xa661, 1048575,
+	0xa663, 1048575,
+	0xa665, 1048575,
+	0xa667, 1048575,
+	0xa669, 1048575,
+	0xa66b, 1048575,
+	0xa66d, 1048575,
+	0xa681, 1048575,
+	0xa683, 1048575,
+	0xa685, 1048575,
+	0xa687, 1048575,
+	0xa689, 1048575,
+	0xa68b, 1048575,
+	0xa68d, 1048575,
+	0xa68f, 1048575,
+	0xa691, 1048575,
+	0xa693, 1048575,
+	0xa695, 1048575,
+	0xa697, 1048575,
+	0xa699, 1048575,
+	0xa69b, 1048575,
+	0xa723, 1048575,
+	0xa725, 1048575,
+	0xa727, 1048575,
+	0xa729, 1048575,
+	0xa72b, 1048575,
+	0xa72d, 1048575,
+	0xa72f, 1048575,
+	0xa733, 1048575,
+	0xa735, 1048575,
+	0xa737, 1048575,
+	0xa739, 1048575,
+	0xa73b, 1048575,
+	0xa73d, 1048575,
+	0xa73f, 1048575,
+	0xa741, 1048575,
+	0xa743, 1048575,
+	0xa745, 1048575,
+	0xa747, 1048575,
+	0xa749, 1048575,
+	0xa74b, 1048575,
+	0xa74d, 1048575,
+	0xa74f, 1048575,
+	0xa751, 1048575,
+	0xa753, 1048575,
+	0xa755, 1048575,
+	0xa757, 1048575,
+	0xa759, 1048575,
+	0xa75b, 1048575,
+	0xa75d, 1048575,
+	0xa75f, 1048575,
+	0xa761, 1048575,
+	0xa763, 1048575,
+	0xa765, 1048575,
+	0xa767, 1048575,
+	0xa769, 1048575,
+	0xa76b, 1048575,
+	0xa76d, 1048575,
+	0xa76f, 1048575,
+	0xa77a, 1048575,
+	0xa77c, 1048575,
+	0xa77f, 1048575,
+	0xa781, 1048575,
+	0xa783, 1048575,
+	0xa785, 1048575,
+	0xa787, 1048575,
+	0xa78c, 1048575,
+	0xa791, 1048575,
+	0xa793, 1048575,
+	0xa797, 1048575,
+	0xa799, 1048575,
+	0xa79b, 1048575,
+	0xa79d, 1048575,
+	0xa79f, 1048575,
+	0xa7a1, 1048575,
+	0xa7a3, 1048575,
+	0xa7a5, 1048575,
+	0xa7a7, 1048575,
+	0xa7a9, 1048575,
 };
 
 } // !namespace
 
-char32_t totitle(char32_t c) noexcept
+auto totitle(char32_t c) noexcept -> char32_t
 {
-    const char32_t* p;
+	const char32_t* p;
 
-    p = rbsearch(c, totitler, nelem (totitler) / 3, 3);
+	p = search(c, totitler, nelem (totitler) / 3, 3);
 
-    if (p && c >= p[0] && c <= p[1])
-        return c + p[2] - 1048576;
+	if (p && c >= p[0] && c <= p[1])
+		return c + p[2] - 1048576;
 
-    p = rbsearch(c, totitles, nelem (totitles) / 2, 2);
+	p = search(c, totitles, nelem (totitles) / 2, 2);
 
-    if (p && c == p[0])
-        return c + p[1] - 1048576;
+	if (p && c == p[0])
+		return c + p[1] - 1048576;
 
-    return c;
+	return c;
 }
 
 void encode(char32_t c, char res[5]) noexcept
 {
-    switch (nbytes_point(c)) {
-    case 1:
-        res[0] = static_cast<char>(c);
-        res[1] = '\0';
-        break;
-    case 2:
-        res[0] = 0xC0 | ((c >> 6)  & 0x1F);
-        res[1] = 0x80 | (c & 0x3F);
-        res[2] = '\0';
-        break;
-    case 3:
-        res[0] = 0xE0 | ((c >> 12) & 0xF );
-        res[1] = 0x80 | ((c >> 6)  & 0x3F);
-        res[2] = 0x80 | (c & 0x3F);
-        res[3] = '\0';
-        break;
-    case 4:
-        res[0] = 0xF0 | ((c >> 18) & 0x7 );
-        res[1] = 0x80 | ((c >> 12) & 0x3F);
-        res[2] = 0x80 | ((c >> 6)  & 0x3F);
-        res[3] = 0x80 | (c & 0x3F);
-        res[4] = '\0';
-        break;
-    default:
-        break;
-    }
+	switch (nbytes_point(c)) {
+	case 1:
+		res[0] = static_cast<char>(c);
+		res[1] = '\0';
+		break;
+	case 2:
+		res[0] = 0xC0 | ((c >> 6)  & 0x1F);
+		res[1] = 0x80 | (c & 0x3F);
+		res[2] = '\0';
+		break;
+	case 3:
+		res[0] = 0xE0 | ((c >> 12) & 0xF );
+		res[1] = 0x80 | ((c >> 6)  & 0x3F);
+		res[2] = 0x80 | (c & 0x3F);
+		res[3] = '\0';
+		break;
+	case 4:
+		res[0] = 0xF0 | ((c >> 18) & 0x7 );
+		res[1] = 0x80 | ((c >> 12) & 0x3F);
+		res[2] = 0x80 | ((c >> 6)  & 0x3F);
+		res[3] = 0x80 | (c & 0x3F);
+		res[4] = '\0';
+		break;
+	default:
+		break;
+	}
 }
 
 void decode(char32_t& c, const char* res) noexcept
 {
-    c = 0;
+	c = 0;
 
-    switch (nbytes_utf8(res[0])) {
-    case 1:
-        c = res[0];
-        break;
-    case 2:
-        c =  (res[0] & 0x1f) << 6;
-        c |= (res[1] & 0x3f);
-        break;
-    case 3:
-        c =  (res[0] & 0x0f) << 12;
-        c |= (res[1] & 0x3f) << 6;
-        c |= (res[2] & 0x3f);
-        break;
-    case 4:
-        c =  (res[0] & 0x07) << 16;
-        c |= (res[1] & 0x3f) << 12;
-        c |= (res[2] & 0x3f) << 6;
-        c |= (res[3] & 0x3f);
-    default:
-        break;
-    }
+	switch (nbytes_utf8(res[0])) {
+	case 1:
+		c = res[0];
+		break;
+	case 2:
+		c =  (res[0] & 0x1f) << 6;
+		c |= (res[1] & 0x3f);
+		break;
+	case 3:
+		c =  (res[0] & 0x0f) << 12;
+		c |= (res[1] & 0x3f) << 6;
+		c |= (res[2] & 0x3f);
+		break;
+	case 4:
+		c =  (res[0] & 0x07) << 16;
+		c |= (res[1] & 0x3f) << 12;
+		c |= (res[2] & 0x3f) << 6;
+		c |= (res[3] & 0x3f);
+	default:
+		break;
+	}
 }
 
 auto nbytes_utf8(char c) noexcept -> int
 {
-    if (static_cast<unsigned char>(c) <= 127)
-        return 1;
-    if ((c & 0xE0) == 0xC0)
-        return 2;
-    if ((c & 0xF0) == 0xE0)
-        return 3;
-    if ((c & 0xF8) == 0xF0)
-        return 4;
+	if (static_cast<unsigned char>(c) <= 127)
+		return 1;
+	if ((c & 0xE0) == 0xC0)
+		return 2;
+	if ((c & 0xF0) == 0xE0)
+		return 3;
+	if ((c & 0xF8) == 0xF0)
+		return 4;
 
-    return -1;
+	return -1;
 }
 
 auto nbytes_point(char32_t c) noexcept -> int
 {
-    if (c <= 0x7F)
-        return 1;
-    if (c <= 0x7FF)
-        return 2;
-    if (c <= 0xFFFF)
-        return 3;
-    if (c <= 0x1FFFFF)
-        return 4;
+	if (c <= 0x7F)
+		return 1;
+	if (c <= 0x7FF)
+		return 2;
+	if (c <= 0xFFFF)
+		return 3;
+	if (c <= 0x1FFFFF)
+		return 4;
 
-    return -1;
+	return -1;
 }
 
 auto length(std::string_view str) -> unsigned
 {
-    unsigned total = 0;
+	unsigned total = 0;
 
-    for_each(str, [&] (auto) {
-        ++ total;
-    });
+	for_each(str, [&] (auto) {
+		++ total;
+	});
 
-    return total;
+	return total;
 }
 
 auto to_utf8(std::u32string_view array) -> std::string
 {
-    std::string res;
+	std::string res;
 
-    for (size_t i = 0; i < array.size(); ++i) {
-        char tmp[5];
-        int size = nbytes_point(array[i]);
+	for (size_t i = 0; i < array.size(); ++i) {
+		char tmp[5];
+		int size = nbytes_point(array[i]);
 
-        if (size < 0)
-            throw std::invalid_argument("invalid sequence");
+		if (size < 0)
+			throw std::invalid_argument("invalid sequence");
 
-        encode(array[i], tmp);
-        res.insert(res.length(), tmp);
-    }
+		encode(array[i], tmp);
+		res.insert(res.length(), tmp);
+	}
 
-    return res;
+	return res;
 }
 
-auto to_utf32(std::string_view str) -> std::u32string 
+auto to_utf32(std::string_view str) -> std::u32string
 {
-    std::u32string res;
+	std::u32string res;
 
-    for_each(str, [&] (char32_t code) {
-        res.push_back(code);
-    });
+	for_each(str, [&] (char32_t code) {
+		res.push_back(code);
+	});
 
-    return res;
+	return res;
 }
 
 auto toupper(std::u32string_view str) -> std::u32string
 {
-    std::u32string res(str);
+	std::u32string res(str);
 
-    for (size_t i = 0; i < str.size(); ++i)
-        res[i] = toupper(str[i]);
+	for (size_t i = 0; i < str.size(); ++i)
+		res[i] = toupper(str[i]);
 
-    return res;
+	return res;
 }
 
 auto toupper(std::string_view str) -> std::string
 {
-    std::string res;
-    char buffer[5];
+	std::string res;
+	char buffer[5];
 
-    for_each(str, [&] (auto code) {
-        encode(toupper(code), buffer);
-        res += buffer;
-    });
+	for_each(str, [&] (auto code) {
+		encode(toupper(code), buffer);
+		res += buffer;
+	});
 
-    return res;
+	return res;
 }
 
 auto tolower(std::u32string_view str) -> std::u32string
 {
-    std::u32string ret(str);
+	std::u32string ret(str);
 
-    for (size_t i = 0; i < str.size(); ++i)
-        ret[i] = tolower(str[i]);
+	for (size_t i = 0; i < str.size(); ++i)
+		ret[i] = tolower(str[i]);
 
-    return ret;
+	return ret;
 }
 
-auto tolower(std::string_view str) -> std::string 
+auto tolower(std::string_view str) -> std::string
 {
-    std::string res;
-    char buffer[5];
+	std::string res;
+	char buffer[5];
 
-    for_each(str, [&] (auto code) {
-        encode(tolower(code), buffer);
-        res += buffer;
-    });
+	for_each(str, [&] (auto code) {
+		encode(tolower(code), buffer);
+		res += buffer;
+	});
 
-    return res;
+	return res;
 }
 
 } // !unicode
--- a/unicode.hpp	Mon Jul 09 23:40:56 2018 +0200
+++ b/unicode.hpp	Fri Oct 19 13:31:36 2018 +0200
@@ -93,18 +93,18 @@
 template <typename Func>
 void for_each(std::string_view str, Func function)
 {
-    for (size_t i = 0; i < str.size(); ) {
-        char32_t point = 0;
-        int size = nbytes_utf8(str[i]);
+	for (size_t i = 0; i < str.size(); ) {
+		char32_t point = 0;
+		int size = nbytes_utf8(str[i]);
 
-        if (size < 0)
-            throw std::invalid_argument("invalid sequence");
+		if (size < 0)
+			throw std::invalid_argument("invalid sequence");
 
-        decode(point, str.data() + i);
-        function(point);
+		decode(point, str.data() + i);
+		function(point);
 
-        i += size;
-    }
+		i += size;
+	}
 }
 
 /**

mercurial