Hi Alexander,


> I am trying to use the Bitstream Charter as a font. Unluckily,
> all the umlauts fail to appear. Here is how I do it:
>
> \definefont[bchr][bchr8t at 12pt]
> \starttext
> \bchr \"a \"o \"u \SS{}
> \stoptext

I am for sure no font guru. I would suggest you to install the charter fonts
with texfont.

What I have done in the last quarter of an hour:

Create a directory \texmf\fonts\source\bitstrea\charter
Copy the *.afm and *.pfb files to that directory.
Copy the attached file type-charter.dat to that directory (this is the
charter-section form type-tmf.dat provided by Hans).
Copy texnansi.enc from the dvips environment to that directory.

open a Dos box and run texfont --batch type-charter.dat

Add the map file to pdftex.cfg: map +texnansi-bitstrea-charter.map

Run the attached test file...

You do not have to elaborate a typescript file, because charter is builtin
in the typescripts provided with ConTeXt.


Success Willi