[Users] mangling URL?

[Paul]

On Tue, 18 Oct 2016 22:56:43 +0100
Dave Howorth <dave at howorth.org.uk> wrote: 

> I get mails from my local planning authority that include links to
> particular planning applications. When I click on those links, the
> result in Firefox is broken (rewritten). Is it claws or firefox
> doing this?

You already asked this back in August, and you got your answer. The
problem was in the version of xdg-utils that your distro ships.

Read the thread starting here to jog your memory:
http://lists.claws-mail.org/pipermail/users/2016-August/017291.html

with regards

Paul