put into the table
with the group name as its key.
The captured value is only the table.
</p>


<h3><a name="cap-string"></a><code>patt / string</code></h3>
<p>
Creates a <em>string capture</em>.
It creates a capture string based on <code>string</code>.
The captured value is a copy of <code>string</code>,
except that the character <code>%</code> works as an escape character:
any sequence in <code>string</code> of the form <code>%<em>n</em></code>,
with <em>n</em> between 1 and 9,
stands for the match of the