BSD 4_1c_2 development

BSD 4_1c_2 development
Work on file usr/src/usr.bin/eqn/diacrit.c
Work on file usr/src/usr.bin/eqn/e.y
Work on file usr/src/usr.bin/eqn/Makefile
Work on file usr/src/usr.bin/eqn/e.h
Work on file usr/src/usr.bin/eqn/fromto.c
Work on file usr/src/usr.bin/eqn/font.c
Work on file usr/src/usr.bin/eqn/eqnbox.c
Work on file usr/src/usr.bin/eqn/glob.c
Work on file usr/src/usr.bin/eqn/integral.c
Work on file usr/src/usr.bin/eqn/funny.c
Work on file usr/src/usr.bin/eqn/io.c
Work on file usr/src/usr.bin/eqn/lookup.c
Work on file usr/src/usr.bin/eqn/lex.c
Work on file usr/src/usr.bin/eqn/mark.c
Work on file usr/src/usr.bin/eqn/over.c
Work on file usr/src/usr.bin/eqn/matrix.c
Work on file usr/src/usr.bin/eqn/move.c
Work on file usr/src/usr.bin/eqn/pile.c
Work on file usr/src/usr.bin/eqn/size.c
Work on file usr/src/usr.bin/eqn/paren.c
Work on file usr/src/usr.bin/eqn/shift.c
Work on file usr/src/usr.bin/eqn/sqrt.c
Work on file usr/src/usr.bin/eqn/text.c
Work on file usr/src/usr.bin/eqn/lookup.old.c

Synthesized-from: CSRG/cd1/4.1c.2