37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
@node iswpunct
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@subsection @code{iswpunct}
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@findex iswpunct
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POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/iswpunct.html}
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Gnulib module: iswpunct
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@mindex iswpunct
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on some platforms:
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Minix 3.1.8.
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@item
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This function cannot be called from plain inline or extern inline functions
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on some platforms:
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macOS 10.8.
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@item
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This function is inconsistent with the @code{ispunct} function, because it
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returns false for the characters @code{'$'}, @code{'+'}, @code{'<'},
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@code{'='}, @code{'>'}, @code{'^'}, @code{'`'} , @code{'|'}, @code{'~'}
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on some platforms:
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Android 11.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and
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therefore cannot accommodate all Unicode characters.
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@mindex c32ispunct
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However, the Gnulib function @code{c32ispunct}, provided by Gnulib module
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@code{c32ispunct}, operates on 32-bit wide characters and therefore does not
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have this limitation.
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@end itemize
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