This PR contains a large number of changes in support of the implementation of the Medley Dsplay Fon file format. The changes are documented in the docs/internal/FONTCHANGES.TEDIT file.
Fonts
These are a not-very-well curated directories of fonts.
"adobe" -- display versions of Postscript's fonts palatino 8 9 10 12 14 18 "altofonts" -- random remnants of fonts used with Alto "big" -- supposedly bigger fonts but turned out not (see #482) "displayfonts" -- separated into directories by charset "ipfonts" -- fonts (or font width information for Xeorx Interpress file format. "other" -- random fonts associated with lispusers packages and not available elsewhere. "postscriptfonts" -- fonts for postscript "press" -- fonts for the older-than-interpress "press" format.
"xeroxprivate" -- ?? Seems like junk