maint.mk: use info-gnu@ as the default only for a stable release

[pspp] / doc / posix-functions / vscanf.texi

diff --git a/doc/posix-functions/vscanf.texi b/doc/posix-functions/vscanf.texi
index 980f1a8a92fb0719a7186c8187174e7082d2acae..feff03ac5c739cc425c587629393c7358de732db 100644 (file)
--- a/doc/posix-functions/vscanf.texi
+++ b/doc/posix-functions/vscanf.texi
@@ -4,10 +4,15 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/vscanf.html}
 
-Gnulib module: ---
+Gnulib module: vscanf, nonblocking
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by Gnulib module @code{vscanf}, together with module @code{nonblocking}:
 @itemize
+@item
+When reading from a non-blocking pipe whose buffer is empty, this function
+fails with @code{errno} being set to @code{EINVAL} instead of @code{EAGAIN} on
+some platforms:
+mingw.
 @end itemize
 
 Portability problems not fixed by Gnulib: