From e53afdf69946de7a9469e3e1951058a720513996 Mon Sep 17 00:00:00 2001
From: luigi <luigi@0b2b3880-5936-4365-a048-eb17d2e5a6bf>
Date: Wed, 30 Dec 2015 18:42:28 +0000
Subject: [PATCH] Sync with experimental

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@5688 0b2b3880-5936-4365-a048-eb17d2e5a6bf
---
 source/texk/web2c/luatexdir/tex/errors.w | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/texk/web2c/luatexdir/tex/errors.w b/source/texk/web2c/luatexdir/tex/errors.w
index 227095d3f..506b0b754 100644
--- a/source/texk/web2c/luatexdir/tex/errors.w
+++ b/source/texk/web2c/luatexdir/tex/errors.w
@@ -762,7 +762,7 @@ void normal_warning(const char *t, const char *p)
 
 @ @c
 static char print_buf[PRINTF_BUF_SIZE];
-
+__attribute__ ((format(printf, 2,3)))
 void formatted_error(const char *t, const char *fmt, ...)
 {
     va_list args;
@@ -772,6 +772,7 @@ void formatted_error(const char *t, const char *fmt, ...)
     va_end(args);
 }
 
+__attribute__ ((format(printf, 2,3)))
 void formatted_warning(const char *t, const char *fmt, ...)
 {
     va_list args;
-- 
2.11.4.GIT