% export MESA_GAMMA="2.0" // same gamma for R,G,B
</pre>
<p>
-The progs/demos/gamma.c program may help you to determine reasonable gamma
-value for your display. With correct gamma values, the color intensities
-displayed in the top row (drawn by dithering) should nearly match those
-in the bottom row (drawn as grays).
+The <code>demos/gamma.c</code> program in mesa/demos repository may help
+you to determine reasonable gamma value for your display. With correct
+gamma values, the color intensities displayed in the top row (drawn by
+dithering) should nearly match those in the bottom row (drawn as grays).
</p>
<p>