of the doco is in comments in the MF code, and in
Documentation/tex/fonts.doc
+To make xpms of feta20 font:
+
+ make xpms
+
+
+Accordion symbols are broken: comment-out
+
+ input feta-accordion;
+
+from feta-schrift, and remake mf dir:
+
+ make clean
+ make all xpms