**************** INPUT ****************
This (excellent paragraph has one more {opening} paranthesis than closing.

On the other hand, this poor) paragraph does it backwards.

This {slightly odd paragraph has one more [opening] brace than closing.

And again, this balmy} paragraph does it backwards.

This paragraph[11 has one more (opening) bracket than closing.

Whereas this one is 12]tupsy turvey.

This _very_ important_ paragraph has an odd number of underscores.

Unspaced brackets are a[most a]ways _wrong_.
**************** WARNINGS ****************
<expected>
  <error>
    <at line="2"/>
    <text>Mismatched round brackets?</text>
  </error>
  <error>
    <at line="4"/>
    <text>Mismatched round brackets?</text>
  </error>
  <error>
    <at line="6"/>
    <text>Mismatched curly brackets?</text>
  </error>
  <error>
    <at line="8"/>
    <text>Mismatched curly brackets?</text>
  </error>
  <error>
    <at line="10"/>
    <text>Mismatched square brackets?</text>
  </error>
  <error>
    <at line="12"/>
    <text>Mismatched square brackets?</text>
  </error>
  <false-negative>
    <at line="13" column="22"/>
    <text>Missing space or underscore?</text>
  </false-negative>
  <error>
    <at line="14"/>
    <text>Mismatched underscores?</text>
  </error>
  <error>
    <at line="15" column="23"/>
    <text>Unspaced bracket?</text>
  </error>
  <error>
    <at line="15" column="30"/>
    <text>Unspaced bracket?</text>
  </error>
</expected>