void regress_test_nested_parameter (int a);
<informaltable>
<tgroup cols="3">
<thead>
<row>
<entry>Syntax</entry>
<entry>Explanation</entry>
<entry>Examples</entry>
</row>
</thead>
<tbody>
<row>
<entry>rgb(@r, @g, @b)</entry>
<entry>An opaque color; @r, @g, @b can be either integers between
0 and 255 or percentages</entry>
<entry><literallayout>rgb(128, 10, 54)
rgb(20%, 30%, 0%)</literallayout></entry>
</row>
<row>
<entry>rgba(@r, @g, @b, a)</entry>
<entry>A translucent color; @r, @g, @b are as in the previous row,
a is a floating point number between 0 and 1</entry>
<entry><literallayout>rgba(255, 255, 0, 0.5)</literallayout></entry>
</row>
</tbody>
</tgroup>
</informaltable>
What we're testing here is that the scanner ignores the a nested inside XML.
An integer