[XeTeX] List of ligatures in a font

[Zdenek Wagner]

2012/3/15 Philip TAYLOR <P.Taylor at rhul.ac.uk>:
>
>
> Zdenek Wagner wrote:
>
>> 2012/3/14 Peter Dyballa<Peter_Dyballa at web.de>:
>
>
>>> Check the code points in the font! The statement
>>>
>>>        \defaultfontfeatures{Mapping=tex-text}
>>>
>>> informs the XeTeX engine to use the standard ligatures, as TeX would do
>>> by default.
>>>
>> This mapping instruct XeTeX to use the TECkit mechanism to replace
>> characters by ligatures in case they are not defined by GSUB tables in
>> the font. It does not say anything about ligatures already present in
>> the font nor does it list the contents of the GSUB tables.
>
>
> Unfortunately, on a freshly-installed TeX Live 2011 with all
> current updates applied, the control sequence is unknown :
>
> %!TeX Program=XeTeX
> \magnification 4000
>
> \defaultfontfeatures {Mapping=tex-text}
>
> ->
>
> This is XeTeX, Version 3.1415926-2.3-0.9997.5 (Web2C 2011)
>  restricted \write18 enabled.
> entering extended mode
> (./Whitehurst.tex
> ! Undefined control sequence.
> l.4 \defaultfontfeatures
>                        {Mapping=tex-text}
> ?
>
> Could an expert advise, please ?
> Philip Taylor
>
It is defined in the fontspec package. I am not sure whether it can be
used in plain XeTeX.
>
>
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-- 
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz