Fix bootstrapping broken by a recent change

* src/keymap.c (Flookup_key): Avoid crashes during bootstrap when
uni-lowercase.el is not available yet.

diff --git a/src/keymap.c b/src/keymap.c
index 2e98b059192c3259a203db7d1930ce6d3961138a..5ff13ba1d57ef4c062513b2ffaca8528c50c8d90 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1295,6 +1295,9 @@ recognize the default bindings, just as `read-key-sequence' does.  */)
   if (NILP (unicode_case_table))
     {
       unicode_case_table = uniprop_table (intern ("lowercase"));
+      /* uni-lowercase.el might be unavailable during bootstrap.  */
+      if (NILP (unicode_case_table))
+       return found;
       staticpro (&unicode_case_table);
     }