[therion] Unhelpful metapost error

[Stacho Mudrak]

Olly Betts wrote:

> Ah, I didn't have a map ... endmap section for my plan.  It might be
> better if that produced at least a warning...


Thanks a lot. This is a very common problem (even it happens to me sometimes). I will fix it. Therion should generate warning, when there will be no map defined. And I will try, that it will produce map also in this case.

Ragards, S.