[XeTeX] hyphenating words with hyphen

[Vadim Radionov]

> To make this apply at the beginning of the text (or of a word), I think
> you'd need
>
>  \XeTeXinterchartoks 255 \cyrdash = {.....}
>
> because 255 is the "reserved" class for "edge of text run".
>

If I put

\XeTeXinterchartoks 255 \cyrdash = {\scalebox{.75}[1]}

compilation breaks on the first occurrence em-dash with

! TeX capacity exceeded, sorry [save size=5000]

Exactly the same happens with {\hskip.125em} while {a} cause no problem

Yours,

Vadim