Postscript Level 2

Hi,
Is there a way to save figures as Language Level 2 Encapsulated
PostScript ?

Hard coded header in backends/backend_ps.py (Lines 1109 and 1278)
writes:
        %!PS-Adobe-3.0 EPSF-3.0

but in the same module, there is an ambiguous:
        backend_version = 'Level II'

Regards,