W1513 Mixset Used With No Declaration 
Errors and Warnings 1000+
noreferences

@@description

<h2> Warning reporting that a mixset use statement tries to activate a mixset that has not been declared.</h2>

<p>If you encounter this warning, you can easily comment out the use statement that causes this warning, or you can declare the mixset with an empty body.  <br/>
</p>

@@example
@@source manualexamples/W1513MixsetUsedWithNoDeclaration.ump
@@endexample