isnotempty

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<mm:isnotempty> Checks if parent writer, or context-var, is not empty.
see alsoisempty
attributes
condition attributes
writerreferrer attributes
example 1
<mm:field name="title">
  <mm:isempty>
    No title!
  </mm:isempty>
  <mm:isnotempty>
    <mm:write />
  </mm:isnotempty>
</mm:field>