**************** 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>