sult string.
  In most cases this is not what is intended.
  If a single quote should be present in the result string, it has to be duplicated in the property.

<p><b>Unmatched braces</b>
<p>
  Every placeholder must have a closing brace.

<p><b>Too many quotes</b>
<p>
  In some cases (e.g. <code>it's</code>), it is expected that only one quote ends up in the result string.
  Cases where two or more quotes are placed together in the result string are reported.

<p><b>Incorrect lower bounds for nested <code>