ode">(% patt ?tag)</code> </td> <td> Alias for <code class="mendoza-code">(accumulate patt ?tag)</code> </td></tr>
    <tr><td><code class="mendoza-code">(cmt patt fun ?tag)</code> </td> <td> Invokes fun with all of the captures of patt as arguments (if patt matches). If the result is truthy, then captures the result. The whole expression fails if fun returns false or nil. </td></tr>
    <tr><td><code class="mendoza-code">(backref tag ?tag)</code> </td> <td> Duplicates the last capture with the tag <code cl