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bug#50222: Advising a function pollutes its docstring


From: Stefan Monnier
Subject: bug#50222: Advising a function pollutes its docstring
Date: Fri, 27 Aug 2021 11:04:21 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

> Advising a function changes the first line of its docstring, which
> breaks packages that use the first line of the docstring to display
> a short piece of information about a function.  I noticed this issue
> while playing with the "shortdoc" feature. For example:

Indeed, we should probably use `help-fns-describe-function-functions`
instead of the `function-documentation` property in `nadvice.el`.


        Stefan






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