(read_key_sequence): Undo a change introduced by multi-tty

which caused key-translation-map to applied repeatedly (thus breaking
double-mode).

2 files changed, 21 insertions, 7 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index dcd9f0955dd..c50b6286407 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2007-10-18  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * keyboard.c (read_key_sequence): Undo a change introduced by multi-tty
+        which caused key-translation-map to applied repeatedly (thus breaking
+        double-mode).
+
 2007-10-17  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * xselect.c (x_own_selection, x_handle_selection_clear)
diff --git a/src/keyboard.c b/src/keyboard.c
index fccf5c88eaa..ddb0b4407b7 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -9185,13 +9185,16 @@ read_key_sequence (keybuf, bufsize, prompt, dont_downcase_last,
   orig_keymap = get_local_map (PT, current_buffer, Qkeymap);
   from_string = Qnil;
 
-  /* We jump here when the key sequence has been thoroughly changed, and
-     we need to rescan it starting from the beginning.  When we jump here,
-     keybuf[0..mock_input] holds the sequence we should reread.  */
- replay_sequence:
-
-  /* We may switch keyboards between rescans, so we need to
-     reinitialize fkey and keytran before each replay.  */
+  /* The multi-tty merge moved the code below to right after
+   `replay_sequence' which caused alll these translation maps to be applied
+   repeatedly, even tho their doc says very clearly they are not applied to
+   their own output.
+   The reason for this move was: "We may switch keyboards between rescans,
+   so we need to reinitialize fkey and keytran before each replay".
+   This move was wrong (even if we switch keyboards, keybuf still holds the
+   keys we've read already from the original keyboard and some of those keys
+   may have already been translated).  So there may still be a bug out there
+   lurking.  */
   indec.map = indec.parent = current_kboard->Vinput_decode_map;
   fkey.map = fkey.parent = current_kboard->Vlocal_function_key_map;
   keytran.map = keytran.parent = Vkey_translation_map;
@@ -9199,6 +9202,11 @@ read_key_sequence (keybuf, bufsize, prompt, dont_downcase_last,
   fkey.start = fkey.end = 0;
   keytran.start = keytran.end = 0;
 
+  /* We jump here when the key sequence has been thoroughly changed, and
+     we need to rescan it starting from the beginning.  When we jump here,
+     keybuf[0..mock_input] holds the sequence we should reread.  */
+ replay_sequence:
+
   starting_buffer = current_buffer;
   first_unbound = bufsize + 1;