From: Kenichi Handa <handa@m17n.org>
Date: Mon, 12 Oct 1998 12:00:44 +0000 (+0000)
Subject: (shrink_decoding_region): If a charset other than ascii
X-Git-Tag: emacs-20.4~1523
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=622fece5320c948892fb2d07e14758ac32e1915f;p=emacs.git

(shrink_decoding_region): If a charset other than ascii
is initially designated to G0, don't shrink the region.
(shrink_encoding_region): Likewise.
---

diff --git a/src/coding.c b/src/coding.c
index dc99354e157..d32a35f31fb 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3946,6 +3946,9 @@ shrink_decoding_region (beg, end, coding, str)
       break;
 
     default:		/* i.e. case coding_type_iso2022: */
+      if (CODING_SPEC_ISO_INITIAL_DESIGNATION (coding, 0) != CHARSET_ASCII)
+	/* We can't skip any data.  */
+	break;
       if (coding->heading_ascii < 0)
 	{
 	  /* We can skip all ASCII characters at the head except for a
@@ -4087,6 +4090,9 @@ shrink_encoding_region (beg, end, coding, str)
       break;
 
     case coding_type_iso2022:
+      if (CODING_SPEC_ISO_INITIAL_DESIGNATION (coding, 0) != CHARSET_ASCII)
+	/* We can't skip any data.  */
+	break;
       if (coding->flags & CODING_FLAG_ISO_DESIGNATE_AT_BOL)
 	{
 	  unsigned char *bol = begp;