Revision: miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-455

Bash the dashes

2004-07-14  K,Ba(Broly L,Bu(Brentey  <lorentey@elte.hu>

   * src/keyboard.c (echo_dash): Do nothing if there already is a dash
   at the end of the echo string.

2 files changed, 20 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index b3a9386da86..e40abdc3daa 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2004-07-14  K,Ba(Broly L,Bu(Brentey  <lorentey@elte.hu>
+
+        * keyboard.c (echo_dash): Do nothing if there already is a dash
+        at the end of the echo string.
+
 2004-07-12  Kim F. Storm  <storm@cua.dk>
 
         * alloc.c (mark_object): Only look at Lisp_Misc_Save_Value
diff --git a/src/keyboard.c b/src/keyboard.c
index f016a1283e4..89706dc3dce 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -802,6 +802,21 @@ echo_dash ()
       == SCHARS (current_kboard->echo_string))
     return;
 
+  /* Do nothing if we have already put a dash at the end.  */
+  if (SCHARS (current_kboard->echo_string) > 1)
+    {
+          Lisp_Object last_char, prev_char, idx;
+
+          idx = make_number (SCHARS (current_kboard->echo_string) - 2);
+          prev_char = Faref (current_kboard->echo_string, idx);
+
+          idx = make_number (SCHARS (current_kboard->echo_string) - 1);
+          last_char = Faref (current_kboard->echo_string, idx);
+
+          if (XINT (last_char) == '-' && XINT (prev_char) != ' ')
+            return;
+    }
+
   /* Put a dash at the end of the buffer temporarily,
      but make it go away when the next character is added.  */
   current_kboard->echo_string = concat2 (current_kboard->echo_string,