/usr/share/doc/grads/html/gradcomdsetrbrange.html is in grads 2:2.0.2-8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | <!--Copyright (C) 1988-2005 by the Institute of Global Environment and Society (IGES). See file COPYRIGHT for more information.-->
<H2><B>set rbrange</B></H2><P>
<code>set rbrange <i>low high</i></code><p>
Sets the range of values used to determine which values acquire which
rainbow color. By default, the <code><i>low</i></code> and
<code><i>high</i></code> are set to the min and max of the
result grid. This is reset by a <code>clear</code> command. <p>
<H3>Usage Notes</H3><P>
<H3>Examples</H3><P>
|