[metapost] Problems with `pt' unit of lenght after saying `path pt'

[Hartmut Henkel]

On Sun, 8 Jul 2007, Rodolfo Medina wrote:

> In the same .mp file: if, in fig(1), I said: `path pt', then in fig(2)
> there are problems in using pt as the usual unit of lenght.
>
> Any possible ways to avoid that, without using two different files for
> fig(1) and fig(2) *and* wanting to use `pt' to name a path?

maybe say "save pt;"?

Regards, Hartmut