[xmlroff] Initial pangogp (GNOME Print) backend

[Tony G. <Ton...@Su...>]

I have checked in an initial pass at a GNOME Print backend for
PangoPDF.  See the CVS link at http://pangopdf.sourceforge.net/.

At this point, the pangogp-to-pdf program in the examples directory
produces a PDF file.

Caveat hacker.

Regards,


Tony Graham
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