bug#34052: Acknowledgement (27.0.50; New command gnus-summary-press-button)

[Eric Abrahamsen]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> I could just filter URLs out based on a "http" prefix, but it still
>> feels a bit limited. WDYT?
>
> I think explicitly filtering out some URL schemes instead would be nice,
> because you want file: and data: and ftp: to work, perhaps...
>
> So just filter out the mailto: ones?

The problem is, there are 'gnus-string properties that just look like
"larsi@gnus.org", ie no scheme at all. I suppose we could just drop
anything that doesn't look like "`[a-z]+://"...