On Tue, Jun 11, 2024 at 11:06:32AM GMT, G. Branden Robinson wrote:
> Hi Alex,
Hi Branden,
> At 2024-06-11T16:34:54+0200, Alejandro Colomar wrote:
> > I see:
> >
> > NOTES
> > For details of the STHYI instruction, see the documentation page.
> >
> > In xfce4-terminal(1), that's an underdotted hyperlink. In xterm(1), I
> > see the same, but it's not underdotted, and seems not clickable.
>
> Ahhh, I reckon you have OSC 8 hyperlinks turned on. This defaulted off
> in stock groff 1.23.0, but some distributors may have turned it on.
> (Which is fine--that's what man.local is there for.)
>
> groff_man(7) (from my working copy):
> -rU0 Disable generation of URI hyperlinks in output drivers
> capable of them, making the arguments to MT and UR calls
> visible as formatted text. grohtml(1), gropdf(1), and
> grotty(1) enable hyperlinks by default (the last only if
> not in legacy output mode).
Hmmm; thanks! I suspected some of this was probably the fault, but
didn't know what exactly. I'll add -rU0 to the build system, since that
will trigger more warnings.
Have a lovely day!
Alex
> So, for you, GNU troff is not complaining about being unable to adjust
> MC 900 Foot URL for formatting...because it's _not trying to format it_.
>
> > Why am I unable to see the explicit URI? That seems the reason why
> > I can't reproduce the warning.
>
> With register `U` set to a true value, GNU troff assumes your output
> device is capable of making a hyperlink clickable. It can't otherwise
> know. (Well, it knows that some devices have no such capability.[1])
>
> > I don't like breaking URIs. I'll accept the warning and add it as an
> > XFAIL. However, I'd like to be able to reproduce it. :|
>
> Try running groff with `-rU0` (or `-r U=0`). That should turn it up.
>
> Regards,
> Branden
>
> [1] Two things I'd like to see:
>
> A. ...an extended ("user") capability enabling terminfo
> applications to query a terminal (emulator) whether it supports OSC
> 8 sequences so that it can then do the right thing. See
> user_caps(5).
>
> B. ...xterm(1) support for OSC 8 hyperlinks only as far as marking
> them and giving you a menu option to copy the link to the clipboard
> (or the primary selection buffer).[2] Thomas Dickey has been pretty
> skeptical of OSC 8, and I don't blame him for not wanting to get
> into the URL management business--it presses people's security
> buttons. I am hoping my suggestion is a Solomonic one.
>
> [2] So you'd probably have to middle-click while hovering over the link
> text. Even if implemented, I'm sure that this would be yet another
> feature gated behind an X resource and command-line option. ;-)
--
<https://www.alejandro-colomar.es/>
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