For example: ``` \dot{a} \dota a\dot \hat{o} \hato o\hat ``` converts into ``` x虈{饾憥} x虈饾憥 饾憥x虈 x虃{饾憸} x虃饾憸 饾憸x虃 ``` In Unicode diacritics are combining characters but in `s:presymbols` they are listed as already combined with `x`.
For example:
converts into
In Unicode diacritics are combining characters but in
s:presymbolsthey are listed as already combined withx.