2 files changed, 7 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 1814a699b4b..6de0212109a 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-20  Kenichi Handa  <handa@gnu.org>
+
+        * coding.c (syms_of_coding): Initialize disable_ascii_optimization
+        to 1 (temporary workaround until a bug related to ASCII
+        optimization is fixed).
+
 2013-03-18  Dmitry Antipov  <dmantipov@yandex.ru>
 
         * window.c (window_resize_check, window_resize_apply)
diff --git a/src/coding.c b/src/coding.c
index 6cfcec905a1..a5b07019388 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -10877,7 +10877,7 @@ decode text as usual.  */);
   DEFVAR_BOOL ("disable-ascii-optimization", disable_ascii_optimization,
                doc: /* If non-nil, Emacs does not optimize code decoder for ASCII files.
 Internal use only.  Removed after the experimental optimizer gets stable. */);
-  disable_ascii_optimization = 0;
+  disable_ascii_optimization = 1;
 
   DEFVAR_LISP ("translation-table-for-input", Vtranslation_table_for_input,
                doc: /* Char table for translating self-inserting characters.