On 2010-12-04 00:17, Joachim Trinkwitz wrote:
> Am 03.12.2010 um 16:30 schrieb Pander:
>
>> Another small font issue with XeLaTeX. The following
>>
>> \documentclass{article}
>> \usepackage{xltxtra}
>> \begin{document}
>> \fontspec{GilliusADF-Cond}\itshape
>> \addfontfeatures{Ligatures={Required,Common,Rare}}AE~OE~ae~ff~ffi~ffl~fi~fl~oe~st
>> \end{document}
>>
>> works fine in LuaLaTeX, but in XeLaTeX the ligatures ff, ffi and ffl are
>> not shown.
>
> I don't know from where LuaLaTeX takes those ligatures, but looking at the
> font (fresh installation from http://arkandis.tuxfamily.org/adffonts.html), I
> have to observe that the roman variant has 265 glyphs, the italic one only
> 260. Among those missing in the latter are just the ligatures fl, ffi, and ffl. So
> this is definitely not XeTeX's fault.
>
> Joachim
>
Output of ttx provides more ligatures. I use ttx's output for my font
catalogue and for all other fonts, this info on ligatures is correct.
<Lookup index="9">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="zero">
<Ligature components="slash,zero,zero" glyph="perthousand"/>
<Ligature components="fraction,zero,zero" glyph="perthousand"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="10">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="zero">
<Ligature components="slash,zero" glyph="percent"/>
<Ligature components="fraction,zero" glyph="percent"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="11">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="one">
<Ligature components="slash,four" glyph="onequarter"/>
<Ligature components="fraction,four" glyph="onequarter"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="12">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="one">
<Ligature components="slash,two" glyph="onehalf"/>
<Ligature components="fraction,two" glyph="onehalf"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="13">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="three">
<Ligature components="slash,four" glyph="threequarters"/>
<Ligature components="fraction,four" glyph="threequarters"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="14">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="f">
<Ligature components="f,i" glyph="f_f_i"/>
<Ligature components="i" glyph="f_i"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="15">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="f">
<Ligature components="f,l" glyph="f_f_l"/>
<Ligature components="f" glyph="f_f"/>
<Ligature components="l" glyph="f_l"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="16">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="s">
<Ligature components="t" glyph="s_t"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="17">
<LookupType value="1"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<SingleSubst index="0" Format="1">
<Substitution in="s" out="longs"/>
</SingleSubst>
</Lookup>
<Lookup index="18">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="longs">
<Ligature components="t" glyph="longs_t"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
<Lookup index="19">
<LookupType value="4"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<LigatureSubst index="0" Format="1">
<LigatureSet glyph="A">
<Ligature components="E" glyph="AE"/>
<Ligature components="e" glyph="AE"/>
</LigatureSet>
<LigatureSet glyph="O">
<Ligature components="E" glyph="OE"/>
<Ligature components="e" glyph="OE"/>
</LigatureSet>
<LigatureSet glyph="a">
<Ligature components="e" glyph="ae"/>
</LigatureSet>
<LigatureSet glyph="o">
<Ligature components="e" glyph="oe"/>
</LigatureSet>
</LigatureSubst>
</Lookup>
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