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Subject: |
Re: Issue 2505 in lilypond: Patch: Doc: NR clarified \footnote command as a TextScript |
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Date: |
Tue, 15 May 2012 09:45:03 +0000 |
Updates:
Cc: address@hidden
Comment #24 on issue 2505 by d...-mXXj517/address@hidden: Patch: Doc: NR
clarified
\footnote command as a TextScript
http://code.google.com/p/lilypond/issues/detail?id=2505
Ok, I am officially an idiot. When I proposed using a postevent, I had
only thought about notes and rests, but footnotes may appear in a number of
other places.
And something like
\breath <>\footnote #'BreathMark ...
is decidedly ugly, and
\breath c'\footnote #'BreathMark ...
is even breathtakingly ugly.
Changing \footnote back into a normal music event does not mean that it
can't, in general, not be used as a postevent, you just have to remember
writing - before it.
Another possibility would be to let it actively _take_ a music argument and
be a music function (like \tweak except for argument order). Then we would
have
\footnote\breath #'(2 . 3) "Zis iz a brezmak"
\footnote c2 #'(1 . 2) "A c note"
<c \footnote e #'(0.4 . 3) "a third">4
c-\footnote -3 #'(3 . 2) "a fingering"
This would have the material to footnote always in a fixed position and
would rarely if ever require specifying a particular grob.
While it would be possible to have the material to attach to follow at the
end (like with \tweak), I think it is a bit more natural to use the above
order, and it turns out that the parser is up to it nowadays.
Yes, I know, critical issue and everything. Sue me. I'll probably have to
revert the merge commit for the previous footnote change in issue 2518, but
that should work out reasonably well as long as _this_ patch has not been
committed.
Oh, and this argument order won't work for an automatic convert-ly rule.
For an automatic convert-ly, the argument to attach to would have to be
last, so that would be
\footnote #'(2 . 3) "Zis iz a brezmak" \breath
\footnote #'(1 . 2) "A c note" c2
<c \footnote #'(0.4 . 3) "a third" e>4
c-\footnote #'(3 . 2) "a fingering" -3
The internals are very much the same, so I'll start working on it. But
there should be agreement on the syntax. I like the first variant better,
but it means we (and everybody else) have to convert \footnote use manually.
The second variant would likely _mostly_ continue to work. Hm. Perhaps
that is not good enough anyway.
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