POSTSCRIPTSTREAM needs to support embedding fonts for printing files that use new TTF-derived display fonts

[MattHeffron]

Since TTF fonts can be converted to DISPLAYFONT files, via ttf2bdf (or FontForge) and READ-BDF, it seems appropriate that printing of Medley documents (e.g., TEdit, Sketch, source files) represents the glyphs in those fonts correctly.

This would mean adding to POSTSCRIPTSTREAM the ability to include PostScript fonts from pre-converted TTF font files. We'd need to document the process to make the .pfa or .pfb files.

In this effort, there's a fair bit of learning about PostScript Level 3 (vs Level 1, which is what POSTSCRIPTSTREAM was originally developed for).

[nbriggs]

In my opinion... it would be good to avoid PSL3 features if PSL2 is adequate. Non-Adobe PS rendering implementations for L3 are likely not as robust as the L2 implementations.