(compose_chars_in_text): Delete it.

1 files changed, 0 insertions, 126 deletions

diff --git a/src/composite.c b/src/composite.c
index 02abb66e1e5..f03d5054c33 100644
--- a/src/composite.c
+++ b/src/composite.c
@@ -589,132 +589,6 @@ compose_text (start, end, components, modification_func, string)
                        Qcomposition, prop, string);
 }
 
-/* Compose sequences of characters in the region between START and END
-   by functions registered in Vcomposition_function_table.  If STRING
-   is non-nil, operate on characters contained between indices START
-   and END in STRING.  */
-
-void
-compose_chars_in_text (start, end, string)
-     int start, end;
-     Lisp_Object string;
-{
-  int count = 0;
-  struct gcpro gcpro1;
-  Lisp_Object tail, elt, val, to;
-  /* Set to nonzero if we don't have to compose ASCII characters.  */
-  int skip_ascii;
-  int i, len, stop, c;
-  const unsigned char *ptr, *pend;
-
-  if (! CHAR_TABLE_P (Vcomposition_function_table))
-    return;
-
-  if (STRINGP (string))
-    {
-      count = SPECPDL_INDEX ();
-      GCPRO1 (string);
-      stop = end;
-      ptr = SDATA (string) + string_char_to_byte (string, start);
-      pend = SDATA (string) + SBYTES (string);
-    }
-  else
-    {
-      record_unwind_protect (save_excursion_restore, save_excursion_save ());
-      TEMP_SET_PT (start);
-      stop = (start < GPT && GPT < end ? GPT : end);
-      ptr = CHAR_POS_ADDR (start);
-      pend = CHAR_POS_ADDR (end);
-    }
-
-  /* Preserve the match data.  */
-  record_unwind_save_match_data ();
-
-  /* If none of ASCII characters have composition functions, we can
-     skip them quickly.  */
-  for (i = 0; i < 128; i++)
-    if (!NILP (CHAR_TABLE_REF (Vcomposition_function_table, i)))
-      break;
-  skip_ascii = (i == 128);
-
-
-  while (1)
-    {
-      if (skip_ascii)
-        while (start < stop && ASCII_BYTE_P (*ptr))
-          start++, ptr++;
-
-      if (start >= stop)
-        {
-          if (stop == end || start >= end)
-            break;
-          stop = end;
-          if (STRINGP (string))
-            ptr = SDATA (string) + string_char_to_byte (string, start);
-          else
-            ptr = CHAR_POS_ADDR (start);
-        }
-
-      c = STRING_CHAR_AND_LENGTH (ptr, pend - ptr, len);
-      tail = CHAR_TABLE_REF (Vcomposition_function_table, c);
-      while (CONSP (tail))
-        {
-          elt = XCAR (tail);
-          if (CONSP (elt)
-              && STRINGP (XCAR (elt))
-              && !NILP (Ffboundp (XCDR (elt))))
-            {
-              if (STRINGP (string))
-                val = Fstring_match (XCAR (elt), string, make_number (start));
-              else
-                {
-                  val = Flooking_at (XCAR (elt));
-                  if (!NILP (val))
-                    val = make_number (start);
-                }
-              if (INTEGERP (val) && XFASTINT (val) == start)
-                {
-                  to = Fmatch_end (make_number (0));
-                  val = call4 (XCDR (elt), val, to, XCAR (elt), string);
-                  if (INTEGERP (val) && XINT (val) > 1)
-                    {
-                      start += XINT (val);
-                      if (STRINGP (string))
-                        {
-                          ptr = SDATA (string) + string_char_to_byte (string, start);
-                          pend = SDATA (string) + SBYTES (string);
-                        }
-                      else
-                        ptr = CHAR_POS_ADDR (start);
-                    }
-                  else if (STRINGP (string))
-                    {
-                      start++;
-                      ptr = SDATA (string) + string_char_to_byte (string, start);
-                      pend = SDATA (string) + SBYTES (string);
-                    }
-                  else
-                    {
-                      start++;
-                      ptr += len;
-                    }
-                  break;
-                }
-            }
-          tail = XCDR (tail);
-        }
-      if (!CONSP (tail))
-        {
-          /* No composition done.  Try the next character.  */
-          start++;
-          ptr += len;
-        }
-    }
-
-  unbind_to (count, Qnil);
-  if (STRINGP (string))
-    UNGCPRO;
-}
 
 /* Emacs Lisp APIs.  */