colors are not active, and non-zero
otherwise.</font></p>

<p style="margin-top: 1em"><font color="#000000">The old
&lsquo;Df&rsquo; output command is mapped onto
&lsquo;DFg&rsquo;; all color output commands don&rsquo;t
change the current font position (consequently,
&lsquo;Df&rsquo; doesn&rsquo;t either).</font></p>


<p style="margin-top: 1em"><font color="#000000">Outputting
color can be disabled in troff and groff with the
option&nbsp;&minus;c (it is always disabled in compatibility
mode). See the secti