diff.7 manual page and in
groff.texinfo.</font></p>


<p style="margin-top: 1em"><font color="#000000"></li><li>Similar
to \m and \M, \f[] switches back to the previous font. \fP
(and \f[P]) is still valid for backwards
compatibility.</font></p>


<p style="margin-top: 1em"><font color="#000000"></li><li>The
new escape \F is the same as &lsquo;.fam&rsquo;; \F[]
switches back to previous family -- \F[P] selects family
&lsquo;P&rsquo;.</font></p>


<p style="margin-top: 1em"><font color="#000000"></li><li>Two