[gtk/wip/compose-parser] composetable: Ignore length 1 sequences

[Matthias Clasen <matthiasc src gnome org>]

commit c8b7941203c387b7435683cc2364ee9ef6833fa5
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jul 7 23:22:23 2021 -0400

    composetable: Ignore length 1 sequences
    
    It turns out that the X11 Compose file has some
    length 1 sequences which are not interesting to us.

 gtk/gtkcomposetable.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/gtk/gtkcomposetable.c b/gtk/gtkcomposetable.c
index e32f11f3d5..2a012efa29 100644
--- a/gtk/gtkcomposetable.c
+++ b/gtk/gtkcomposetable.c
@@ -508,6 +508,12 @@ parser_remove_duplicates (GtkComposeParser *parser)
           goto next;
         }
 
+      if (sequence[1] == 0)
+        {
+          remove_sequence = TRUE;
+          goto next;
+        }
+
       for (i = 0; i < MAX_COMPOSE_LEN + 1; i++)
         keysyms[i] = 0;