From fc9d9d2a1f0eb2beb8ebc369b712f9fec54ea64c Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Wed, 12 Jun 2002 00:12:53 +0000
Subject: [PATCH] (MAYBE_UNIFY_CHAR): Adjusted for the change of
 Vchar_unify_table.  The default value of the table is now nil.

---
 src/character.h | 34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/src/character.h b/src/character.h
index c3ef2725bed..35e46e2ff90 100644
--- a/src/character.h
+++ b/src/character.h
@@ -448,23 +448,27 @@ Boston, MA 02111-1307, USA.  */
   } while (0)
 
 
-#define MAYBE_UNIFY_CHAR(c)				\
-  if (CHAR_TABLE_P (Vchar_unify_table))			\
-    {							\
-      Lisp_Object val;					\
-      int unified;					\
-							\
-      val = CHAR_TABLE_REF (Vchar_unify_table, c);	\
-      if (SYMBOLP (val))				\
-	{						\
-	  Funify_charset (val, Qnil);			\
-	  val = CHAR_TABLE_REF (Vchar_unify_table, c);	\
-	}						\
-      if ((unified = XINT (val)) >= 0)			\
-	c = unified;					\
-    }							\
+#define MAYBE_UNIFY_CHAR(c)					\
+  if (CHAR_TABLE_P (Vchar_unify_table))				\
+    {								\
+      Lisp_Object val;						\
+      int unified;						\
+								\
+      val = CHAR_TABLE_REF (Vchar_unify_table, c);		\
+      if (! NILP (val))						\
+	{							\
+	  if (SYMBOLP (val))					\
+	    {							\
+	      Funify_charset (val, Qnil);			\
+	      val = CHAR_TABLE_REF (Vchar_unify_table, c);	\
+	    }							\
+	  if ((unified = XINT (val)) >= 0)			\
+	    c = unified;					\
+	}							\
+    }								\
   else
 
+
 /* Return the width of ASCII character C.  The width is measured by
    how many columns occupied on the screen when displayed in the
    current buffer.  */
-- 
2.39.5