From: Kenichi Handa <handa@m17n.org>
Date: Wed, 14 May 2008 01:47:59 +0000 (+0000)
Subject: (fonts_changed_p): Comment improved.
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(fonts_changed_p): Comment improved.
---

diff --git a/src/dispnew.c b/src/dispnew.c
index f61b18de444..4040048c024 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -324,7 +324,9 @@ static struct frame *frame_matrix_frame;
    matrix adjustments.  Redisplay must stop, and glyph matrices must
    be adjusted when this flag becomes non-zero during display.  The
    reason fonts can be loaded so late is that fonts of fontsets are
-   loaded on demand.  */
+   loaded on demand.  Another reason is that a line contains many
+   characters displayed by zero width or very narrow glyphs of
+   variable-width fonts.  */
 
 int fonts_changed_p;