(next_element_from_display_vector): Improve comments.

2 files changed, 12 insertions, 5 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index fb3d4bfa789..6e5b29bf857 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,11 +1,19 @@
 2000-07-25  Gerd Moellmann  <gerd@gnu.org>
 
+        * xdisp.c (next_element_from_display_vector): Improve comments.
+
+        * lisp.h (GLYPH_MASK_CHAR, GLYPH_MASK_FACE): Use 19 bits
+        for the character code, and the rest for the face id as in 20.x.
+        (FAST_GLYPH_FACE, FAST_MAKE_GLYPH): Changed accordingly.
+
+        * window.c (window_display_table): Cleaned up.
+
         * syntax.c (Fforward_word): Add last arg nil in call of
         Fconstrain_to_field.
 
 2000-07-25  Eli Zaretskii  <eliz@is.elta.co.il>
 
-        * fileio.c (Frename-file) [DOS_NT]: If the file names are
+        * fileio.c (Frename_file) [DOS_NT]: If the file names are
         identical but for the letter-case, don't call
         barf_or_query_if_file_exists.
 
diff --git a/src/xdisp.c b/src/xdisp.c
index fab426c561b..ba2ae579660 100644
--- 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