[metapost] accessing letters in picture (for...within loop)

[Stephan Hennig]

Stephan Hennig schrieb:

> This approach has two advantages:
> 
> (i) characters are accessed one by one on the MetaPost side and
> (ii) one does not need to reTeX the current character at the desired
> location.
> 
> The last item is very good news, since that way translation from
> MetaPost to TeX input isn't required anymore.  Just clipping the
> character from the picture should do as well.

The situation is even better since the item returned by for...within is
already a picture of the character in question.  See the preview
announcement for the textpath package.

Best regards,
Stephan Hennig