bug#39980: [PATCH] gnus-shorten-url: Improve and avoid args-out-of-range error

[Štěpán Němec]

On Sat, 14 Mar 2020 12:41:34 +0100
Lars Ingebrigtsen wrote:

> Looks like a good fix to me, but is there a reason this is a defsubst
> instead of a defun?
>
> +(defsubst string-truncate-left (string length)

subr-x is supposed to be loaded at compile time (see the file's
Commentary), so, with the single exception of `replace-region-contents'
(I wonder how that happened...), everything in there is either a macro
or a defsubst.

I would personally welcome lifting that limitation (again, what about
that one exception which needs to load it at run time, anyway?) as IME
it causes confusion with some users and package developers, too, but I'm
not sure that's an option.

-- 
Štěpán