Here comes the documentation for isblank and the other ctype.h functions.
2009-10-18 Reuben Thomas <r...@sc3d.org>
Bruno Haible <br...@clisp.org>
* doc/posix-functions/isascii.texi: Document the 2 alternative APIs.
* doc/posix-functions/isalnum.texi: Document the 4 alternative APIs.
* doc/posix-functions/isalpha.texi: Likewise.
* doc/posix-functions/isblank.texi: Likewise.
* doc/posix-functions/iscntrl.texi: Likewise.
* doc/posix-functions/isdigit.texi: Likewise.
* doc/posix-functions/isgraph.texi: Likewise.
* doc/posix-functions/islower.texi: Likewise.
* doc/posix-functions/isprint.texi: Likewise.
* doc/posix-functions/ispunct.texi: Likewise.
* doc/posix-functions/isspace.texi: Likewise.
* doc/posix-functions/isupper.texi: Likewise.
* doc/posix-functions/isxdigit.texi: Likewise.
--- doc/posix-functions/isalnum.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isalnum.texi 2009-10-18 21:36:22.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isalnum
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswalnum
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isalnum
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_alnum
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-alnum}.
+...@end table
--- doc/posix-functions/isalpha.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isalpha.texi 2009-10-18 21:39:19.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isalpha
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswalpha
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isalpha
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_alpha
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-alpha}.
+...@end table
--- doc/posix-functions/isascii.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isascii.texi 2009-10-18 21:45:06.000000000 +0200
@@ -13,3 +13,18 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but requires special
+handling for the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are two alternative APIs:
+
+...@table @code
+...@item c_isascii
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item mb_isascii
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+...@end table
--- doc/posix-functions/isblank.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isblank.texi 2009-10-18 21:45:08.000000000 +0200
@@ -16,3 +16,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isblank
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswblank
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isblank
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_blank
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-blank}.
+...@end table
--- doc/posix-functions/iscntrl.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/iscntrl.texi 2009-10-18 21:40:00.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_iscntrl
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswcntrl
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_iscntrl
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_cntrl
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-cntrl}.
+...@end table
--- doc/posix-functions/isdigit.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isdigit.texi 2009-10-18 21:40:12.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isdigit
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswdigit
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isdigit
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_digit
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-digit}.
+...@end table
--- doc/posix-functions/isgraph.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isgraph.texi 2009-10-18 21:40:20.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isgraph
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswgraph
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isgraph
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_graph
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-graph}.
+...@end table
--- doc/posix-functions/islower.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/islower.texi 2009-10-18 21:40:33.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_islower
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswlower
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_islower
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_lower
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-lower}.
+...@end table
--- doc/posix-functions/isprint.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isprint.texi 2009-10-18 21:40:42.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isprint
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswprint
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isprint
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_print
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-print}.
+...@end table
--- doc/posix-functions/ispunct.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/ispunct.texi 2009-10-18 21:40:53.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_ispunct
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswpunct
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_ispunct
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_punct
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-punct}.
+...@end table
--- doc/posix-functions/isspace.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isspace.texi 2009-10-18 21:41:06.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isspace
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswspace
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isspace
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_space
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-space}.
+...@end table
--- doc/posix-functions/isupper.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isupper.texi 2009-10-18 21:41:14.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isupper
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswupper
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isupper
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_upper
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-upper}.
+...@end table
--- doc/posix-functions/isxdigit.texi.orig 2009-10-18 21:46:04.000000000
+0200
+++ doc/posix-functions/isxdigit.texi 2009-10-18 21:41:26.000000000 +0200
@@ -13,3 +13,28 @@
Portability problems not fixed by Gnulib:
@itemize
@end itemize
+
+Note: This function's behaviour depends on the locale, but does not support
+the multibyte characters that occur in strings in locales with
+...@code{mb_cur_max > 1} (this includes all the common UTF-8 locales).
+There are four alternative APIs:
+
+...@table @code
+...@item c_isxdigit
+This function operates in a locale independent way and returns true only for
+ASCII characters. It is provided by the Gnulib module @samp{c-ctype}.
+
+...@item iswxdigit
+This function operates in a locale dependent way, on wide characters. In
+order to use it, you first have to convert from multibyte to wide characters,
+using the @code{mbrtowc} function. It is provided by the Gnulib module
+...@samp{wctype}.
+
+...@item mb_isxdigit
+This function operates in a locale dependent way, on multibyte characters.
+It is provided by the Gnulib module @samp{mbchar}.
+
+...@item uc_is_xdigit
+This function operates in a locale independent way, on Unicode characters.
+It is provided by the Gnulib module @samp{unictype/ctype-xdigit}.
+...@end table
