on on grotty for the
<a href="#GROFF_NO_SGR">GROFF_NO_SGR</a> environment
variable also.</font></p>

<p style="margin-top: 1em"><font color="#000000">For
defining color components as fractions between 0 and&nbsp;1,
a new scaling indicator &lsquo;f&rsquo; has been defined:
1f&nbsp;=&nbsp;65536u. For testing whether a color is
defined (with .if and .ie), a new conditional operator
&lsquo;m&rsquo; is available.</font></p>

<p style="margin-top: 1em"><font color="#000000">More
details can be found in the groff_