[dev-context] little unharmful bug in \showfont & using \iffontchar in \definecharacter

[Taco Hoekwater]

Hi Mojca,

I bet I can guess what goes wrong:

Mojca Miklavec wrote:
> 
> \mainlanguage[sl] % try "en" or leave this line out and compare

\sl is a language switch now. Those two-letter language switches are
a bit problematic at times.

> When trying to understand what \showfont does I started wondering if
> it would be feasible to do font-depending encoding-depending
> definitions of glyphs (\definecharacter). If \iffontchar exists: why
> not using it?

Sounds like a good idea. Optional perhaps? (because it slows down
font switching quite a bit).

Taco