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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: missing src/ directory for eval.c
Date: Mon, 11 Feb 2019 17:11:04 -0500
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> I think it would be useful if the help buffer explained this.
>
> E.g.
>
> "forward-char is an interactive built-in function in `C source code'.
> C-source codes isn't usually available unless Emacs was installed from
> source."

That's too wordy for all those users who'll never want to see the
source anyway.  Much better would be if when the user clicks on the `C
source code` button, Emacs explained the situation and provided guidance
for the user to download the source.  Patch welcome.


        Stefan