(next_element_from_display_vector): Improve comments.

[bpt/emacs.git] / src / xdisp.c

diff --git a/src/xdisp.c b/src/xdisp.c
index fab426c..ba2ae57 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -3816,15 +3816,14 @@ next_element_from_display_vector (it)
 
       /* The entry may contain a face id to use.  Such a face id is
         the id of a Lisp face, not a realized face.  A face id of
-        zero means no face.  */
+        zero means no face is specified.  */
       lface_id = FAST_GLYPH_FACE (g);
       if (lface_id)
        {
+         /* The function returns -1 if lface_id is invalid.  */
          int face_id = ascii_face_of_lisp_face (it->f, lface_id);
          if (face_id >= 0)
-           {
-             it->face_id = face_id;
-           }
+           it->face_id = face_id;
        }
     }
   else