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bug#24617: 26.0.50; Handlers in `condition-case' should have programmati

From: Helmut Eller
Subject: bug#24617: 26.0.50; Handlers in `condition-case' should have programmatic access to the backtrace
Date: Thu, 29 Dec 2016 10:01:48 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

On Wed, Dec 28 2016, Philipp Stephani wrote:

> Yes, that sounds like a good workaround, with the downside that other
> libraries might override signal-hook-function and disable that
> functionality.
> Do you know why ERT uses a custom debugger instead of
> signal-hook-function?

No. (I didn't write ERT.)  Maybe it's difficult to determine
whether/where a condition will be handled from a signal-hook-function.

>     Second, unconditionally copying the backtrace would be expensive
> Are you sure about that?

No, but I would be surprised if it were cheap.


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