On 2/1/2015 3:31 PM, Akira Kakuto wrote:

...

Interestingly it seems to work in mkii, probably because mkii calls external metafun:

Sorry, I didn't notice explanation by Hans.

The problem with variables in metapost is that they are global by default (unless 'save'd in a group or vardef). This means that one can best explicitly declare variables that are used. Of course one can also use a dedicated instance. Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------