>From 816cc0d5fb92552a551c523f49c829261731dfe8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A1draig=20Brady?= Date: Sat, 21 Jul 2018 13:15:13 -0700 Subject: [PATCH] iscntrl: document that macOS returns true for >= 0x80 * doc/posix-functions/iscntrl.texi: Mention that support for chars >= 0x80 is not standarized, and not supported on OS X >= 10.5 at least --- doc/posix-functions/iscntrl.texi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/doc/posix-functions/iscntrl.texi b/doc/posix-functions/iscntrl.texi index 7e6813f..3c15708 100644 --- a/doc/posix-functions/iscntrl.texi +++ b/doc/posix-functions/iscntrl.texi @@ -16,6 +16,9 @@ OS X 10.8. Portability problems not fixed by Gnulib: @itemize +This function does not support arguments outside of the range of the +unsigned char type in locales with large character sets, on some platforms. +OS X 10.5 will return non zero for characters >= 0x80 in UTF-8 locales. @end itemize Note: This function's behaviour depends on the locale, but does not support -- 2.9.3