Subject: Re: bug#24555: [PATCH] Remove unused variable `command-debug-status'

From: Philippe Vaucher <[email-masked]>
Date: Sat, 1 Oct 2016 15:09:33 +0200

>> Philippe, can you do this, please?  It should be done on the emacs-25
>> branch, since the specbind was deleted in 25.1.

Okay, here we go.

https://github.com/Silex/emacs/compare/emacs-25~2...Silex:emacs-25

https://github.com/Silex/emacs/commit/c8566ff77a347e7efc4cb2819cd7f58b68876e6f.patch
https://github.com/Silex/emacs/commit/e34b40dc4d12a0d806e59ccbf682b0980480ff88.patch

What is your prefered way to receive patches?

---
 src/callint.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/callint.c b/src/callint.c
index 053ee6c..4652151 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -837,7 +837,10 @@ invoke it.  If KEYS is omitted or nil, the return value of
   kset_last_command (current_kboard, save_last_command);

   {
-    Lisp_Object val = Ffuncall (nargs, args);
+    Lisp_Object val;
+    specbind (Vcommand_debug_status, Qnil);
+
+    val = Ffuncall (nargs, args);
     val = unbind_to (speccount, val);
     SAFE_FREE ();
     return val;

---
 doc/lispref/debugging.texi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/lispref/debugging.texi b/doc/lispref/debugging.texi
index 2f83b40..322acd0 100644
--- a/doc/lispref/debugging.texi
+++ b/doc/lispref/debugging.texi
@@ -654,6 +654,8 @@ invocation.
 The advantage of using this variable rather than an ordinary global
 variable is that the data will never carry over to a subsequent command
 invocation.
+
+This variable is obsolete and should be removed in future versions.
 @end defvar

 @defun backtrace-frame frame-number