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Explain how to debug emacsclient lisp errors

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* doc/lispref/debugging.texi (Error Debugging): Mention that
debug-on-signal is useful for getting backtraces from
emacsclient (Bug#24616).
This commit is contained in:
Noam Postavsky
2016-10-22 11:52:14 -04:00
parent 9da53e2d35
commit b2ba630739
1 changed files with 7 additions and 0 deletions
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doc/lispref/debugging.texi
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@@ -152,6 +152,13 @@ presence of @code{condition-case}. (To invoke the debugger, the error
must still fulfill the criteria specified by @code{debug-on-error} and
@code{debug-ignored-errors}.)
@cindex emacsclient, getting a backtrace
@cindex backtrace from emacsclient's @option{--eval}
For example, setting this variable is useful to get a backtrace from
code evaluated by emacsclient's @option{--eval} option. If Lisp code
evaluated by emacsclient signals an error while this variable is
non-@code{nil}, the backtrace will popup in the running Emacs.
@strong{Warning:} Setting this variable to non-@code{nil} may have
annoying effects. Various parts of Emacs catch errors in the normal
course of affairs, and you may not even realize that errors happen