composetable: Don't abort on unsupported escape sequences

People might put all sorts of gunk in their .XCompose file, in
the hope that XLib makes sense of it. Even if we don't make sense
of it, we shouldn't abort, but instead ignore the lines we can't
understand. Pointed out in
https://bugzilla.redhat.com/show_bug.cgi?id=1301254

diff --git a/gtk/gtkcomposetable.c b/gtk/gtkcomposetable.c
index eaff054590202d4b166b211d2317a31d639ed67f..9b4cb15ef11092f7497e18bcde011422ae9fb07d 100644 (file)
--- a/gtk/gtkcomposetable.c
+++ b/gtk/gtkcomposetable.c
@@ -104,7 +104,9 @@ parse_compose_value (GtkComposeData *compose_data,
         uch = g_ascii_strtoll(words[1] + 1, NULL, 8);
       /* If we need to handle other escape sequences. */
       else if (uch != '\\')
-        g_assert_not_reached ();
+        {
+          g_warning ("Invalid escape sequence: %s: %s", val, line);
+        }
     }
 
   if (g_utf8_get_char (g_utf8_next_char (words[1])) > 0)