From f4eefc19d374808509e1a7c9b6711c2fbe998a7b Mon Sep 17 00:00:00 2001
From: tomo <tomo>
Date: Mon, 13 Sep 1999 05:37:34 +0000
Subject: [PATCH] (breakup_char_1): Use
 `Vdefault_preferred_coded_charset_list' for C0-Controls,
 Basic-Latin, C1-Controls and Latin-1-Supplement area.

---
 src/char-ucs.h |   54 ++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 16 deletions(-)

diff --git a/src/char-ucs.h b/src/char-ucs.h
index 93fe8c6..a6a2280 100644
--- a/src/char-ucs.h
+++ b/src/char-ucs.h
@@ -424,23 +424,45 @@ INLINE void breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2);
 INLINE void
 breakup_char_1 (Emchar c, Lisp_Object *charset, int *c1, int *c2)
 {
-  if (c <= MAX_CHAR_BASIC_LATIN)
+  if (c < 0x100)
     {
-      *charset = Vcharset_ascii;
-      *c1 = charset_get_byte1 (*charset, c);
-      *c2 = charset_get_byte2 (*charset, c);
-    }
-  else if (c < 0xA0)
-    {
-      *charset = Vcharset_control_1;
-      *c1 = charset_get_byte1 (*charset, c);
-      *c2 = charset_get_byte2 (*charset, c);
-    }
-  else if (c <= 0xff)
-    {
-      *charset = Vcharset_latin_iso8859_1;
-      *c1 = charset_get_byte1 (*charset, c);
-      *c2 = charset_get_byte2 (*charset, c);
+      Lisp_Object charsets = Vdefault_preferred_coded_charset_list;
+      while (!EQ (charsets, Qnil))
+	{
+	  *charset = Ffind_charset (Fcar (charsets));
+	  if (!EQ (*charset, Qnil)
+	      && (*c1 = charset_get_byte1 (*charset, c)) )
+	    {
+	      *c2 = charset_get_byte2 (*charset, c);
+	      return;
+	    }
+	  charsets = Fcdr (charsets);	      
+	}
+      /* otherwise */
+      if (c <= MAX_CHAR_BASIC_LATIN)
+	{
+	  *charset = Vcharset_ascii;
+	  *c1 = charset_get_byte1 (*charset, c);
+	  *c2 = charset_get_byte2 (*charset, c);
+	}
+      else if (c < 0xA0)
+	{
+	  *charset = Vcharset_control_1;
+	  *c1 = charset_get_byte1 (*charset, c);
+	  *c2 = charset_get_byte2 (*charset, c);
+	}
+      else if (c <= 0xff)
+	{
+	  *charset = Vcharset_latin_iso8859_1;
+	  *c1 = charset_get_byte1 (*charset, c);
+	  *c2 = charset_get_byte2 (*charset, c);
+	}
+      else
+	{
+	  *charset = Vcharset_ucs_bmp;
+	  *c1 = c >> 8;
+	  *c2 = c & 0xff;
+	}
     }
   else if (c <= 0x17f)
     {
-- 
1.7.10.4