Re: Terrible underline

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

David De La Harpe Golden wrote:
> David Kastrup wrote:
>> "Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:
>>
>>> I get terrible underlines with CVS Emacs 23, see the attached
>>> picture. I guess this has something to do with the new font handling,
>>> or?
>> They look fine to me.  Have you looked at the screenshot?  Maybe it
>> captures the way things should look rather than how they actually do?
>>
> 
> Lennart's screenshot doesn't look good to me - it's underline merges
> with the character bases (and doesn't break for the p descender like it
> should if the underline is crossing it, but that's a more subtle issue).
> 
> However, it's probably font-dependent and font-size dependent.   I
> imagine emacs could be using some metrics from the font to decide where
> to position the underline...  And there's also a quantisation issue - at
> small font pixel sizes, the "natural" position for an underline could
> have to be distorted to match the pixel grid for a sharp, detached
> underline.
> 
> Lennart, you might just try a different font and/or bigger font size,
> see if the underline detaches from the bases...
> 
> Attached is what underline looks like on an out-of-box cvs build on my
> system (which is apparently defaulting to bitstream vera sans.  In fact,
> I can't seem to stop it using bitstream vera sans at the moment, but
> that's another issue, see bug #35).
> 
> As you can see, it's not quite perfect (due to aforementioned descender
> issues), but much nicer than Lennart's screenshot.

Thanks David, the underline looks quite good to my on your screen shot. 
It used to look the same (nearly) for me. I believe it is something that 
has happened after the merge that has changed this. (BTW I am using w32 
which probably is important information here.)