From: Kenichi Handa <handa@m17n.org>
Date: Wed, 8 Jul 2009 02:22:05 +0000 (+0000)
Subject: (detect_coding_sjis): Handle shift_jis-2004 correctly.
X-Git-Tag: emacs-pretest-23.1.90~2281
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f07190ca1fafd664e6775f9b307f2b4e1fca87c1;p=emacs.git

(detect_coding_sjis): Handle shift_jis-2004 correctly.
(encode_coding_sjis): Fix the code range check.
---

diff --git a/src/coding.c b/src/coding.c
index 20583a388d1..a8f84378e66 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -4671,6 +4671,12 @@ detect_coding_sjis (coding, detect_info)
   int consumed_chars = 0;
   int found = 0;
   int c;
+  Lisp_Object attrs, charset_list;
+  int max_first_byte_of_2_byte_code;
+
+  CODING_GET_INFO (coding, attrs, charset_list);
+  max_first_byte_of_2_byte_code
+    = (XINT (Flength (charset_list)) > 3 ? 0xFC : 0xEF);
 
   detect_info->checked |= CATEGORY_MASK_SJIS;
   /* A coding system of this category is always ASCII compatible.  */
@@ -4682,7 +4688,8 @@ detect_coding_sjis (coding, detect_info)
       ONE_MORE_BYTE (c);
       if (c < 0x80)
 	continue;
-      if ((c >= 0x81 && c <= 0x9F) || (c >= 0xE0 && c <= 0xEF))
+      if ((c >= 0x81 && c <= 0x9F)
+	  || (c >= 0xE0 && c <= max_first_byte_of_2_byte_code))
 	{
 	  ONE_MORE_BYTE (c);
 	  if (c < 0x40 || c == 0x7F || c > 0xFC)
@@ -5055,7 +5062,8 @@ encode_coding_sjis (coding)
 	      int c1, c2;
 
 	      c1 = code >> 8;
-	      if (c1 == 0x21 || (c1 >= 0x23 && c1 < 0x25)
+	      if (c1 == 0x21 || (c1 >= 0x23 && c1 <= 0x25)
+		  || c1 == 0x28
 		  || (c1 >= 0x2C && c1 <= 0x2F) || c1 >= 0x6E)
 		{
 		  JIS_TO_SJIS2 (code);