bug#37527: [PATCH] Install C source code for for debugging help

[Paul Eggert]

On 9/26/19 10:09 PM, Eli Zaretskii wrote:

> > Without this change, on typical GNU/Linux distributions
> > like Debian, the first button of ‘C-h f car RET’ does not
> > work because the source code for ‘car’ is not installed.
>
> It prompts for the source directory, doesn't it?

Yes, but that's not really a solution. I may not have a copy of the correct 
version of the source directory on my system, and it may take me some time to 
figure out where to get it. It might not be available from gnu.org, for example, 
because the downstream distributor may have modified the Emacs source.