On Tue, 26 Aug 2003, Juergen Reuter wrote:
> ...
> and then write a filter function that makes e.g. an autograph version by
> selecting the stuff that is tagged with "autograph". The autograph may be
> incomplete. Hence, you should be able to tell the filter function a
> fallback, such as "use autograph were available; otherwise use the
> corrected-print version". In the simplest case, one would design the
> filter function to accept a priority list of tags, such as:
>
> \apply #(filter-music '("autograph" "corrected-print" "first-print")) <stuff>
>
Given two tagged versions "urtext" and "edited-print", another variant for
the filter function would be to implement a function
\apply #(annotated-music '("edited-print" "urtext"))
that basically filters out the edited print, but additionally creates
proper footnotes whereever the urtext differs from the edited print.
Greetings,
Juergen
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