Re: [BUG] Hyperlink macros: breaking should conserve the full hyperlink

[G. Branden Robinson]

Hi Alex,

I just wanted to issue a point of self-correction since I pretty badly
misstated something.

At 2022-02-08T08:53:17+1100, G. Branden Robinson wrote:
> > And XFCE terminal highlights as a hyperlink _only_ the part that is
> > on the first line (i.e., up to 'process/').  The second part (i.e.,
> > 'coding'...) isn't highlighted, and most importantly, isnt' part of
> > the hyperlink.
> 
> You might say that `UR` is "generous in what it accepts".  If it has
> no argument, it attempts to create a hyperlink out of the link text.

I was thinking about this completely backwards, possibly confused by the
mangling that MUAs and web-based list archives do to long lines of plain
text.

> It doesn't do a very good job.

UR and MT could use more argument validation, but the thing that's
screwing up hyperlinks here is, as noted, the terminal emulator.

An empty argument to `UR` (whether by omission, or explicitly) gets
passed to the output device as...an empty URL.

    $ ./build/test-groff -Thtml -rU1 -man EXPERIMENTS/empty-UR.man
[...]
    <p><a href="">this is supposedly hyperlinked text</a></p>
[...]
    $ ./build/test-groff -Z -Tutf8 -rU1 -man EXPERIMENTS/empty-UR.man
[...]
    H0
    x X tty: link 
    tthis
    wh24
    tis
    wh24
    tsupposedly
    wh24
    thyperlinked
    wh24
    ttext
    V120
    H840
    x X tty: link
    n40 0
[...]

Regards,
Branden

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