Improve FOO_DEBUG=help output

Explain the all value a bit better.

diff --git a/gdk/gdk.c b/gdk/gdk.c
index 65c9da23bba35e402f1bbd72c308915a058d9edd..19cf1aa6b035b743cb0a761308bbc345f55f76dc 100644 (file)
--- a/gdk/gdk.c
+++ b/gdk/gdk.c
@@ -263,7 +263,7 @@ gdk_parse_debug_var (const char        *variable,
         if (debug_enabled || keys[i].always_enabled)
           fprintf (stderr, "  %s%*s%s\n", keys[i].key, (int)(max_width - strlen (keys[i].key)), " ", keys[i].help);
       }
-      fprintf (stderr, "  %s%*s%s\n", "all", max_width - 3, " ", "Enable all values");
+      fprintf (stderr, "  %s%*s%s\n", "all", max_width - 3, " ", "Enable all values. Other given values are subtracted");
       fprintf (stderr, "  %s%*s%s\n", "help", max_width - 4, " ", "Print this help");
       fprintf (stderr, "\nMultiple values can be given, separated by : or space.\n");
     }