Werner LEMBERG wrote:
Those 'lilypond' environments are handled by the `lilypond-book`
script, which processes the LilyPond code and replaces it with PDF
files for TeX output and PNG images for everything else:
[...]
In other words, we can't get the real width of the PDFs easily within
the texinfo framework. A variant of `@columnfractions` that accepts
both fractions and sample strings would be thus ideal.
What prevents `lilypond-book` from determining the widths and inserting
them? Perhaps with a @lilypond-width placeholder in the initial source?
-- Jacob
