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Re: music-font-encodings option
From: |
Werner LEMBERG |
Subject: |
Re: music-font-encodings option |
Date: |
Mon, 03 Apr 2023 13:34:06 +0000 (UTC) |
>>> Essentially, this option switches between the `show` and `glyphshow`
>>> PostScript operators to access Emmentaler glyphs. The former is
>>> considered the 'standard' method for accessing glyphs in a PS file
>>> (according to the GS developers); however, it needs properly set up
>>> encoding vectors (which can't exceed a size of 256 glyphs each). The
>>> latter is slower, AFAIK, and apparently not as well supported with GS
>>> (at least, we filed some bug reports, IIRC).
>>
>> Thanks, that helps. However, I still don't understand what impact on
>> size this makes. Do the two result in different PDF primitives?
Yes. There is no equivalent to `glyphshow` in PDF. For some comments
on that see, for example,
https://bugs.ghostscript.com/show_bug.cgi?id=698305#c10
https://bugs.ghostscript.com/show_bug.cgi?id=695259
BTW, you get a bunch of LilyPond-related GhostScript bug reports if you
search for 'lilypond' in both open and closed bugs in its tracker at
https://bugs.ghostscript.com
Some of them are quite interesting to read and point to potential
deficiencies in LilyPond's font handling.
Werner