Tests p:with-input: implicit inline and p:empty not allowed
Test ab-with-input-050.xml is expected to fail with error code err:XS0089.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:output port="result">
   <p:identity>
      <p:with-input>
         <doc/>
         <p:empty/>
      </p:with-input>
   </p:identity>
</p:declare-step>
Changed two tests.
Fix namespace declarations
Creating new tests, extending rng and corrected xproc's test