Force left-to-right paragraph direction in echo area and prog-mode buffers.

 src/xdisp.c (set_message_1): Force paragraph direction in echo area
 be left-to-right.
 lisp/simple.el (prog-mode): Set bidi-paragraph-direction to left-to-right.

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 0e9bd5bc718..47d352df116 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2010-11-26  Eli Zaretskii  <eliz@gnu.org>
 
+        * simple.el (prog-mode): Set bidi-paragraph-direction to
+        left-to-right.
+
         * term/pc-win.el (x-get-selection-internal): Emulation for MS-DOS.
 
 2010-11-26  Glenn Morris  <rgm@gnu.org>
diff --git a/lisp/simple.el b/lisp/simple.el
index aa4b9a97182..3b9bfc0519a 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -441,7 +441,9 @@ Other major modes are defined by comparison with this one."
 (define-derived-mode prog-mode fundamental-mode "Prog"
   "Major mode for editing programming language source code."
   (set (make-local-variable 'require-final-newline) mode-require-final-newline)
-  (set (make-local-variable 'parse-sexp-ignore-comments) t))
+  (set (make-local-variable 'parse-sexp-ignore-comments) t)
+  ;; Any programming language is always written left to right.
+  (setq bidi-paragraph-direction 'left-to-right))
 
 ;; Making and deleting lines.