docs: document recently fixed glibc printf bug

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

diff --git a/doc/posix-functions/fprintf.texi b/doc/posix-functions/fprintf.texi
index 04c4c72..44bcca3 100644 (file)
--- a/doc/posix-functions/fprintf.texi
+++ b/doc/posix-functions/fprintf.texi
@@ -83,4 +83,8 @@ mingw.
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+Attempting to write to a read-only stream fails with @code{EOF} but
+does not set the error flag for @code{ferror} on some platforms:
+glibc 2.13.
 @end itemize