ref: d2be4787c6e78df1a0fec1f6fdc75a616ecc1e1e dir: /sys/src/cmd/troff2html/mkfile/
</$objtype/mkfile TARG=troff2html HFILES=chars.h OFILES=troff2html.$O\ BIN=/$objtype/bin </sys/src/cmd/mkone