general

* use xmalloc
* handle encodings MacRoman and FontSpecific
* documentation
- TrueType collections
- CID keyed t42 fonts
- subsetting
? convert to Type 1

both

* error handling (e. g. write error)
* validate lexical correctness of glyph names
* parse version string more liberally
- XUID

afm

* CapHeight, XHeight (OS/2)
* StdHW, StdVW
* better handling of encodings with glyphs encoded more than once (ISOLatin1)

t42

* PaintType (how to recognize 2, StrokeWidth)
* detect missing tables
* read glyf table in parts, use static buffer for tables
* put only glyphs into encoding array that are present in font
- embed full font (--full)
