From 4c635a29c62246d9e7d3636934ae3e52f2452dc2 Mon Sep 17 00:00:00 2001
From: Dave Love <fx@gnu.org>
Date: Thu, 11 Jan 2001 23:09:41 +0000
Subject: [PATCH] NBSP as hollow box

---
 etc/PROBLEMS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index e1226f2c47b..cb48a4cbf22 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -655,6 +655,12 @@ You can remedy the problem by installing additional fonts.
 The intlfonts distribution includes a full spectrum of fonts that can
 display all the characters Emacs supports.
 
+Another cause of this for specific characters is fonts which have a
+missing glyph and no default character.  This is known ot occur for
+character number 160 (no-break space) in some fonts, such as Lucida
+but Emacs sets the display table for the unibyte and Latin-1 version
+of this character to display a space.
+
 * Under X11, some characters appear improperly aligned in their lines.
 
 You may have bad X11 fonts; try installing the intlfonts distribution.
-- 
2.39.5