1 files changed, 7 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 44cb7130119..44a317b5785 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -22292,7 +22292,13 @@ produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym)
           if (metrics_upper.width >= metrics_lower.width)
             lower_xoff = (width - metrics_lower.width) / 2;
           else
-            upper_xoff = (width - metrics_upper.width) / 2;
+            {
+              /* FIXME: This code doesn't look right.  It formerly was
+                 missing the "lower_xoff = 0;", which couldn't have
+                 been right since it left lower_xoff uninitialized.  */
+              lower_xoff = 0;
+              upper_xoff = (width - metrics_upper.width) / 2;
+            }
         }
 
       /* +5 is for horizontal bars of a box plus 1-pixel spaces at