--- gawk-4.1.0/node.c.orig	2013-05-14 16:32:26.451229671 +0200
+++ gawk-4.1.0/node.c	2013-05-14 16:33:25.144560541 +0200
@@ -590,8 +590,6 @@
 
 		if (! warned[uc]) {
 			warned[uc] = true;
-
-			warning(_("escape sequence `\\%c' treated as plain `%c'"), uc, uc);
 		}
 	}
 		buf[0] = c;