will dvisvgm ship with support for PostScript specials (Windows, Mac OS)?

jfbu jfbu at free.fr
Thu Mar 28 00:02:58 CET 2019

Le 27 mars 2019 à 23:41, jfbu <jfbu at free.fr> a écrit :

> Hi,
> I apologize in advance for vagueness: a friend of mine
> on Windows reported, if I understand correctly, that
> TL2018 dvisvgm.exe does not work with PostScript specials.
> I don't know whether he tested out the TL2019 pretest.
> The darwinglegacy one seems to have no such support either
> $ /Library/TeX/texbin/dvisvgm --version=yes
> dvisvgm 2.6.3
> -------------
> brotli:    1.0.7
> clipper:   6.2.1
> fontforge: 20160721
> freetype:  2.9.1
> kpathsea:  6.3.1
> potrace:   1.15
> xxhash:    0.6.5
> zlib:      1.2.11

To be more precise the situation as I tested now is

processing of PostScript specials is disabled (Ghostscript not found)

which means it is always possible to use option 

--libgs=filename          set name of Ghostscript shared library

I had forgotten this since last year. (and as I use MacPorts version)

Thus it is possible to use the TL2019 shipped dvisvgm
on legacy Mac OS with Postscript via --libgs,

But I don't know the Windows situation which was my main 
question on behalf of my correspondant,

And would TeXLive consider shipping fully enabled dvisvgm
or are there technical obstacles related to Ghostscript?



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