condition is ‘e’ (even page), ‘t’ (troff mode), or ‘v’ (vroff mode), it evaluates ... Output character translation, ignored by \!. Currently unsupported. troff Force troff mode. Th…compatibility of mandoc eqn and the troff eqn implementation (including GNU troff). The text string ... interpreted as a literal quote in troff. In mandoc, this is interpreted as a…inherited from the macro packages of historical troff implementations. They are not recommended ... section documents compatibility between mandoc and other troff implementations, …safer with future versions of GNU troff; see mandoc_char(7) for details. See also ... compatibility issues between mandoc and GNU troff ("groff"). The following problematic behavio…HISTORY The tbl utility, a preprocessor for troff, was originally written by M. E. Lesk/usr/share/terminfo The database for terminfo (optional). /usr/share/tmac Troff macros that are not distributed with groff