(mark_glyph_matrix): Mark strings only.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 978c4240a28..571d6291c2b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -2031,7 +2031,8 @@ clear_marks ()
 }
 #endif
 
-/* Mark Lisp objects in glyph matrix MATRIX.  */
+/* Mark Lisp objects in glyph matrix MATRIX.  Currently the
+   only interesting objects referenced from glyphs are strings.  */
 
 static void
 mark_glyph_matrix (matrix)
@@ -2052,11 +2053,7 @@ mark_glyph_matrix (matrix)
               
               while (glyph < end_glyph)
                 {
-                  if (/* OBJECT Is zero for face extending glyphs, padding
-                         spaces and such.  */
-                      glyph->object
-                      /* Marking the buffer itself should not be necessary.  */
-                      && !BUFFERP (glyph->object))
+                  if (GC_STRINGP (glyph->object))
                     mark_object (&glyph->object);
                   ++glyph;
                 }