On 18 February 2017 at 09:45, Zdenek Wagner <zdenek.wag...@gmail.com> wrote: > No, -- and --- are handled by tfm in traditional TeX, in XeTeX it is handled > by the teckit mapping. The keywords are either Mapping=tex-text or > Ligatures=TeX. I have not examined the packages in depth but it may be added > automaticaly. The mapping is defined in file > texmf-dist/fonts/misc/xetex/fontmapping/base/tex-text.map (*.map is compiled > to *.tec by teckit-compile). > >
As I said, it is handled by the mapping file (which is applied by default if the font is loaded via fontspec) but if classic fonts are being used then this is a feature of the tfm (even in xetex, not just in traditional tex) so it depends what fonts the OP is using in the document. David -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex