From d008f7b7facd8851792d896be00d39ae1b1b2a5f Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Tue, 13 Sep 2005 01:07:30 +0000
Subject: [PATCH] (compose_chars_in_text): Delete it.

---
 src/ChangeLog   |   6 +++
 src/composite.c | 126 --------------------------------------------------------
 2 files changed, 6 insertions(+), 126 deletions(-)

diff --git a/src/ChangeLog b/src/ChangeLog
index dc09f25353e..4c97d751c45 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-13  Kenichi Handa  <handa@m17n.org>
+
+	* composite.c (compose_chars_in_text): Delete it.
+
+	* composite.h (compose_chars_in_text): Delete extern.
+
 2005-09-13  Kim F. Storm  <storm@cua.dk>
 
 	* print.c (print_error_message): Fix last change.
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.  */
 
-- 
2.11.4.GIT