(handle_composition_prop): Fix for the case of empty

composition component.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index ecc097343f2..984980324b0 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -4447,6 +4447,24 @@ handle_composition_prop (it)
 
       if (id >= 0)
         {
+          struct composition *cmp = composition_table[id];
+
+          if (cmp->glyph_len == 0)
+            {
+              /* No glyph.  */
+              if (STRINGP (it->string))
+                {
+                  IT_STRING_CHARPOS (*it) = end;
+                  IT_STRING_BYTEPOS (*it) = string_char_to_byte (it->string,
+                                                                 end);
+                }
+              else
+                {
+                  IT_CHARPOS (*it) = end;
+                  IT_BYTEPOS (*it) = CHAR_TO_BYTE (end);
+                }
+              return HANDLED_RECOMPUTE_PROPS;
+            }
           it->method = GET_FROM_COMPOSITION;
           it->cmp_id = id;
           it->cmp_len = COMPOSITION_LENGTH (prop);