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List:       lilypond-user
Subject:    Re: \noSpace macro?
From:       David Kastrup <dak () gnu ! org>
Date:       2013-05-30 16:26:44
Message-ID: 87ppw8igcb.fsf () fencepost ! gnu ! org
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Kieren MacMillan <kieren_macmillan@sympatico.ca> writes:

> Hi David,
>
>> Maybe
>> [...]
>>  -\tweak #'vertical-skylines #f -\tweak #'X-offset #-3
>>  -\tweak #'extra-spacing-width #empty-interval
>>  -\tweak #'extra-spacing-height #empty-interval
>
> Man, you know all the good stuff!!  =)

Not really.  I tried horizontal-skyline first, did a grep, corrected to
horizontal-skylines, saw no difference, tried out vertical...

> Thanks!
>
> Can this be made into a macro? I tried every variation I could think of, e.g.
>
> empty = { -\tweak #'vertical-skylines #f -\tweak #'extra-spacing-width
> #empty-interval -\tweak #'extra-spacing-height #empty-interval }

empty-interval is just "short" for (or rather, less likely to typos
than) '(+inf.0 . -inf.0).

empty seems rather generic as a function name.  I'd rather pick
something less likely for collisions.  An any rate:

empty =
#(define-music-function (parser location item) (symbol-list-or-music?)
  #{ \tweak #'vertical-skylines #f \tweak #'extra-spacing-width
     #empty-interval \tweak #'extra-spacing-height #empty-interval
     #item #})

should likely do the trick.  Possibly you want to stomp out the
horizontal-skylines as well: that would seem to make sense in connection
with extra-spacing-width.

-- 
David Kastrup


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