čt 16. 5. 2019 v 14:30 odesílatel Jonathan Kew <jfkth...@gmail.com> napsal: > > On 16/05/2019 12:31, Ulrike Fischer wrote: > > Am Mon, 13 May 2019 17:52:17 +0200 schrieb François Patte: > > > >> I have just made a fresh install of texlive 2019 and encountered a > >> problem with the diacritical marks of romanized sanskrit. > > > > Do the 'dev2' script tables in FreeSerif include positioning features > for the various combining diacritics on Latin characters? I'm guessing > not, in which case it's unsurprising that the results will be poor if > you present it with accented Latin, yet request Devanagari shaping behavior. > > I'd expect romanized Sanskrit should be typeset with script=latn, or > with no explicit script specification. > I am not sure what exactly polyglossia does. It is necessary to use romanized transliteration but load Sanskrit hyphenation patterns.
Zdeněk Wagner http://ttsm.icpf.cas.cz/team/wagner.shtml http://icebearsoft.euweb.cz > JK > > > (copied from f.c.t.t): > > > > One can see it with plain xetex too, and it is not the font (I'm > > forcing it to 2018), et it is not xdvipdfmx (it happens with tl19 > > and tl18 version). So it is quite probably an xetex engine bug. > > > > A plain xetex example: > > > > \XeTeXtracingfonts=1 > > \font\test="[C:/texlive/2018/texmf-dist/fonts/opentype/public/gnu-freefont/FreeSerif.otf]/OT:script=dev2;" > > \test ā ī ū ṛ ṝ ḷ ḹ ṭ ḍ ṅ ś ṣ ḥ > > \bye > > > > > > Comparing the versions gives > > 2019: > > Compiled with ICU version 63.1; using 63.1 > > Compiled with zlib version 1.2.11; using 1.2.11 > > Compiled with FreeType2 version 2.9.1; using 2.9.1 > > Compiled with Graphite2 version 1.3.13; using 1.3.13 > > Compiled with HarfBuzz version 2.3.1; using 2.3.1 > > Compiled with libpng version 1.6.36; using 1.6.36 > > Compiled with poppler version 0.68.0 > > Compiled with fontconfig version 2.13.1; using 2.13.1 > > > > 2018: > > Compiled with ICU version 61.1; using 61.1 > > Compiled with zlib version 1.2.11; using 1.2.11 > > Compiled with FreeType2 version 2.9.1; using 2.9.1 > > Compiled with Graphite2 version 1.3.11; using 1.3.11 > > Compiled with HarfBuzz version 1.7.6; using 1.7.6 > > Compiled with libpng version 1.6.34; using 1.6.34 > > Compiled with poppler version 0.64.0 > > Compiled with fontconfig version 2.13.0; using 2.13.0 > > > > The first suspect is HarfBuzz. > > > > > > > > >