[developers] PET output of MRS in XML and derivations?

[Ben Waldron]

Stephan Oepen wrote:
> the reason re-compiling PET with the latest MRS code should break, i
> think, is in construct-mrs():
>
>   (psoa (mt:map-mrs psoa :semi :forward))
>
> map-mrs() is in `lkb/src/mt/vpm.lisp', which i have yet to add to the
> MRS system (and confirm happy compilation in ECL).  i would think that
> putting a #-:ecl in front of that sexp should work around that
I've checked in this work-around, in order to re-enable compilation of PET.

- Ben