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More doc for debug-on-event.

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* emacs/trouble.texi (Checklist): Mention debug-on-event.

* lispref/debugging.texi (Error Debugging): Mention debug-on-event default.
This commit is contained in:
Glenn Morris 2012-02-04 19:37:19 -08:00
parent 27f7ef2f0a
commit 649f602cd6
4 changed files with 14 additions and 2 deletions
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2
doc/emacs/ChangeLog
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@ -1,5 +1,7 @@
2012-02-05 Glenn Morris <rgm@gnu.org>
* trouble.texi (Checklist): Mention debug-on-event.
* maintaining.texi (Maintaining): Add cross-ref to ERT.
2012-02-04 Glenn Morris <rgm@gnu.org>

6
doc/emacs/trouble.texi
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@ -784,6 +784,12 @@ non-@code{nil} will start the Lisp debugger and show a backtrace.
This backtrace is useful for debugging such long loops, so if you can
produce it, copy it into the bug report.
@vindex debug-on-event
If you cannot get Emacs to respond to @kbd{C-g} (e.g., because
@code{inhibit-quit} is set), then you can try sending the signal
specified by @code{debug-on-event} (default SIGUSR2) from outside
Emacs to cause it to enter the debugger.
@item
Check whether any programs you have loaded into the Lisp world,
including your initialization file, set any variables that may affect

4
doc/lispref/ChangeLog
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@ -1,3 +1,7 @@
2012-02-05 Glenn Morris <rgm@gnu.org>
* debugging.texi (Error Debugging): Mention debug-on-event default.
2012-02-04 Glenn Morris <rgm@gnu.org>
* backups.texi (Reverting): Mention revert-buffer-in-progress-p.

4
doc/lispref/debugging.texi
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@ -153,8 +153,8 @@ If you set @code{debug-on-event} to a special event (@pxref{Special
Events}), Emacs will try to enter the debugger as soon as it receives
this event, bypassing @code{special-event-map}. At present, the only
supported values correspond to the signals @code{SIGUSR1} and
@code{SIGUSR2}. This can be helpful when @code{inhibit-quit} is set
and Emacs is not otherwise responding.
@code{SIGUSR2} (this is the default). This can be helpful when
@code{inhibit-quit} is set and Emacs is not otherwise responding.
@end defopt
To debug an error that happens during loading of the init