(describe_vector): Unconditionally handle multibyte chars.

(describe_vector): Pass new args to insert_from_string.
(Ftext_char_description): Use make_multibyte_string.
(Fkey_binding): Scan PREFIX a char at a time.
(Fkey_description): Scan KEYS by chars.

diff --git a/src/keymap.c b/src/keymap.c
index 4137de0..5f24f1b 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -1398,16 +1398,20 @@ then the value includes only maps for prefixes that start with PREFIX.")
             we don't have to deal with the possibility of a string.  */
          if (STRINGP (prefix))
            {
-             int i;
+             int i, i_byte, c;
              Lisp_Object copy;
 
              copy = Fmake_vector (make_number (XSTRING (prefix)->size), Qnil);
-             for (i = 0; i < XSTRING (prefix)->size; i++)
+             for (i = 0, i_byte; i < XSTRING (prefix)->size;)
                {
-                 int c = XSTRING (prefix)->data[i];
+                 int i_before = i;
+                 if (STRING_MULTIBYTE (prefix))
+                   FETCH_STRING_CHAR_ADVANCE (c, prefix, i, i_byte);
+                 else
+                   c = XSTRING (prefix)->data[i++];
                  if (c & 0200)
                    c ^= 0200 | meta_modifier;
-                 XVECTOR (copy)->contents[i] = make_number (c);
+                 XVECTOR (copy)->contents[i_before] = make_number (c);
                }
              prefix = copy;
            }
@@ -1622,7 +1626,7 @@ spaces are put between sequence elements, etc.")
      Lisp_Object keys;
 {
   int len;
-  int i;
+  int i, i_byte;
   Lisp_Object sep;
   Lisp_Object *args;
 
@@ -1630,14 +1634,21 @@ spaces are put between sequence elements, etc.")
     {
       Lisp_Object vector;
       vector = Fmake_vector (Flength (keys), Qnil);
-      for (i = 0; i < XSTRING (keys)->size; i++)
+      for (i = 0; i < XSTRING (keys)->size; )
        {
-         if (XSTRING (keys)->data[i] & 0x80)
-           XSETFASTINT (XVECTOR (vector)->contents[i],
-                        meta_modifier | (XSTRING (keys)->data[i] & ~0x80));
+         int c;
+         int i_before;
+
+         if (STRING_MULTIBYTE (keys))
+           FETCH_STRING_CHAR_ADVANCE (c, keys, i, i_byte);
          else
+           c = XSTRING (keys)->data[i++];
+
+         if (c & 0x80)
            XSETFASTINT (XVECTOR (vector)->contents[i],
-                        XSTRING (keys)->data[i]);
+                        meta_modifier | (c & ~0x80));
+         else
+           XSETFASTINT (XVECTOR (vector)->contents[i_before], c);
        }
       keys = vector;
     }
@@ -1839,7 +1850,7 @@ Control characters turn into \"^char\", etc.")
       unsigned char *str;
       int len = non_ascii_char_to_string (XFASTINT (character), tem, &str);
 
-      return make_string (str, len);
+      return make_multibyte_string (str, 1, len);
     }
 
   *push_text_char_description (XINT (character) & 0377, tem) = 0;
@@ -2756,8 +2767,6 @@ describe_vector (vector, elt_prefix, elt_describer,
   struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
   /* Range of elements to be handled.  */
   int from, to;
-  /* Flag to tell if we should handle multibyte characters.  */
-  int multibyte = !NILP (current_buffer->enable_multibyte_characters);
   /* A flag to tell if a leaf in this level of char-table is not a
      generic character (i.e. a complete multibyte character).  */
   int complete_char;
@@ -2932,7 +2941,8 @@ describe_vector (vector, elt_prefix, elt_describer,
              insert_string ("<");
              tem2 = CHARSET_TABLE_INFO (i - 128, CHARSET_SHORT_NAME_IDX);
              if (STRINGP (tem2))
-               insert_from_string (tem2, 0 , XSTRING (tem2)->size, 0);
+               insert_from_string (tem2, 0, 0, XSTRING (tem2)->size,
+                                   XSTRING (tem2)->size_byte, 0);
              else
                insert ("?", 1);
              insert (">", 1);
@@ -2946,7 +2956,7 @@ describe_vector (vector, elt_prefix, elt_describer,
       /* If we find a sub char-table within a char-table,
         scan it recursively; it defines the details for
         a character set or a portion of a character set.  */
-      if (multibyte && CHAR_TABLE_P (vector) && SUB_CHAR_TABLE_P (definition))
+      if (CHAR_TABLE_P (vector) && SUB_CHAR_TABLE_P (definition))
        {
          insert ("\n", 1);
          describe_vector (definition, elt_prefix, elt_describer,