(Fexpand_abbrev): Fix for the multibyte case.

diff --git a/src/abbrev.c b/src/abbrev.c
index 6e973e9c307c3ad5079a957dfff07e5e7eecb86e..2939b138d3f79a9569526c3a9682f262a8e15098 100644 (file)
--- a/src/abbrev.c
+++ b/src/abbrev.c
@@ -238,12 +238,13 @@ Returns the abbrev symbol, if expansion took place.  */)
 {
   register char *buffer, *p;
   int wordstart, wordend;
-  register int wordstart_byte, wordend_byte, idx;
+  register int wordstart_byte, wordend_byte, idx, idx_byte;
   int whitecnt;
   int uccount = 0, lccount = 0;
   register Lisp_Object sym;
   Lisp_Object expansion, hook, tem;
   Lisp_Object value;
+  int multibyte = ! NILP (current_buffer->enable_multibyte_characters);
 
   value = Qnil;
 
@@ -289,26 +290,39 @@ Returns the abbrev symbol, if expansion took place.  */)
 
   p = buffer = (char *) alloca (wordend_byte - wordstart_byte);
 
-  for (idx = wordstart_byte; idx < wordend_byte; idx++)
+  for (idx = wordstart, idx_byte = wordstart_byte; idx < wordend; )
     {
-      /* ??? This loop needs to go by characters!  */
-      register int c = FETCH_BYTE (idx);
+      register int c;
+
+      if (multibyte)
+       {
+         FETCH_CHAR_ADVANCE (c, idx, idx_byte);
+       }
+      else
+       {
+         c = FETCH_BYTE (idx_byte);
+         idx++, idx_byte++;
+       }
+         
       if (UPPERCASEP (c))
        c = DOWNCASE (c), uccount++;
       else if (! NOCASEP (c))
        lccount++;
-      *p++ = c;
+      if (multibyte)
+       p += CHAR_STRING (c, p);
+      else
+       *p++ = c;
     }
 
   if (VECTORP (current_buffer->abbrev_table))
     sym = oblookup (current_buffer->abbrev_table, buffer,
-                   wordend - wordstart, wordend_byte - wordstart_byte);
+                   wordend - wordstart, p - buffer);
   else
     XSETFASTINT (sym, 0);
 
   if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym)))
     sym = oblookup (Vglobal_abbrev_table, buffer,
-                   wordend - wordstart, wordend_byte - wordstart_byte);
+                   wordend - wordstart, p - buffer);
   if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym)))
     return value;