Interdata_v6/usr/source/troff/READ_ME

Find at most related files.
including files from this version of Unix. 
Here is the source for nroff, troff, and associated stuff.
read_me (lowercase) files are original versions; READ_ME (uppercase) files
contain comments on the current Interdata version.

doc		nroff/troff manual as distributed - this is in troff format and
		will require some work to use it under nroff.
eqn		goes with troff - unchanged & untested
fonts		for troff - u & u
cmds		source for both nroff and troff, and common suffix table
macros		several nroff/troff macro packages
neqn		version of eqn to go with nroff
programs	various postprocessors - u & u
tbl		source for tbl
terms		terminal driving tables for nroff
tests		simple test input to see if nroff still works