regex: port to Stratus OpenVOS

[gnulib.git] / doc / posix-functions / trunc.texi

diff --git a/doc/posix-functions/trunc.texi b/doc/posix-functions/trunc.texi
index d695a07..3379cb6 100644 (file)
--- a/doc/posix-functions/trunc.texi
+++ b/doc/posix-functions/trunc.texi
@@ -2,15 +2,26 @@
 @section @code{trunc}
 @findex trunc
 
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/trunc.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/trunc.html}
 
-Gnulib module: trunc
+Gnulib module: trunc or trunc-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{trunc} or @code{trunc-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
 FreeBSD 5.2.1, NetBSD 3.0, OpenBSD 3.8, Solaris 9, Interix 3.5.
+@item
+This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms:
+glibc 2.8.
+@end itemize
+
+Portability problems fixed by Gnulib module @code{trunc-ieee}:
+@itemize
+@item
+This function returns a positive zero for a minus zero argument
+on some platforms:
+OSF/1 5.1.
 @end itemize
 
 Portability problems not fixed by Gnulib: