buffer.c (Fset_buffer_multibyte): Fix handling of the multibyte form of raw-bytes.

2 files changed, 8 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index f0a620b7b99..cb9b2d85d11 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-02  Kenichi Handa  <handa@m17n.org>
+
+        * buffer.c (Fset_buffer_multibyte): Fix handling of the multibyte
+        form of raw-bytes.
+
 2010-02-28  Chong Yidong  <cyd@stupidchicken.com>
 
         * charset.c (load_charset_map_from_file)
diff --git a/src/buffer.c b/src/buffer.c
index 1880581c0a1..a0acad309af 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -2497,7 +2497,9 @@ current buffer is cleared.  */)
 
           if (ASCII_BYTE_P (*p))
             p++, pos++;
-          else if (EQ (flag, Qt) && (bytes = MULTIBYTE_LENGTH (p, pend)) > 0)
+          else if (EQ (flag, Qt)
+                   && ! CHAR_BYTE8_HEAD_P (*p)
+                   && (bytes = MULTIBYTE_LENGTH (p, pend)) > 0)
             p += bytes, pos += bytes;
           else
             {