[Emacs-diffs] emacs-24 r117364: * doc/lispref/debugging.texi (Function Debugging, Debugger Commands):

[Stefan Monnier]

------------------------------------------------------------
revno: 117364
revision-id: address@hidden
parent: address@hidden
fixes bug: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17902
committer: Stefan Monnier <address@hidden>
branch nick: emacs-24
timestamp: Tue 2014-07-08 14:24:39 -0400
message:
  * doc/lispref/debugging.texi (Function Debugging, Debugger Commands):
  Update debug-on-entry w.r.t behavior after redefinitions.
modified:
  doc/lispref/ChangeLog          changelog-20091113204419-o5vbwnq5f7feedwu-6155
  doc/lispref/debugging.texi     
debugging.texi-20091113204419-o5vbwnq5f7feedwu-6171

=== modified file 'doc/lispref/ChangeLog'
--- a/doc/lispref/ChangeLog     2014-06-29 02:33:50 +0000
+++ b/doc/lispref/ChangeLog     2014-07-08 18:24:39 +0000
@@ -1,3 +1,8 @@
+2014-07-08  Stefan Monnier  <address@hidden>
+
+       * debugging.texi (Function Debugging, Debugger Commands):
+       Update debug-on-entry w.r.t behavior after redefinitions (bug#17902).
+
 2014-06-29  Glenn Morris  <address@hidden>
 
        * help.texi (Help Functions): "Online" help doesn't mean what it

=== modified file 'doc/lispref/debugging.texi'
--- a/doc/lispref/debugging.texi        2014-02-13 08:26:01 +0000
+++ b/doc/lispref/debugging.texi        2014-07-08 18:24:39 +0000
@@ -226,9 +226,7 @@
 
 @deffn Command debug-on-entry function-name
 This function requests @var{function-name} to invoke the debugger each
-time it is called.  It works by inserting the form
address@hidden(implement-debug-on-entry)} into the function definition as the
-first form.
+time it is called.
 
 Any function or macro defined as Lisp code may be set to break on
 entry, regardless of whether it is interpreted code or compiled code.
@@ -244,11 +242,6 @@
 up to invoke the debugger on entry, @code{debug-on-entry} does nothing.
 @code{debug-on-entry} always returns @var{function-name}.
 
address@hidden:} if you redefine a function after using
address@hidden on it, the code to enter the debugger is
-discarded by the redefinition.  In effect, redefining the function
-cancels the break-on-entry feature for that function.
-
 Here's an example to illustrate use of this function:
 
 @example
@@ -277,12 +270,6 @@
 ------ Buffer: *Backtrace* ------
 @end group
 
address@hidden
-(symbol-function 'fact)
-     @result{} (lambda (n)
-          (debug (quote debug))
-          (if (zerop n) 1 (* n (fact (1- n)))))
address@hidden group
 @end example
 @end deffn
 
@@ -461,9 +448,7 @@
 @item l
 Display a list of functions that will invoke the debugger when called.
 This is a list of functions that are set to break on entry by means of
address@hidden  @strong{Warning:} if you redefine such a
-function and thus cancel the effect of @code{debug-on-entry}, it may
-erroneously show up in this list.
address@hidden
 
 @item v
 Toggle the display of local variables of the current stack frame.