Invalid test on single space

The following is invalid µOCCAM. An invalid test on single space, that is not allowed in the grammar.

Program file: /public/cs3/web/ipptests-phase-1/testprog.reject

 PAR
   SEQ
     PROC I (INT have)
       been := in
     :
     STOP
   SEQ -- these stinking labs
     for ! thirtee.n
     hours ? now -- and Ive gone mad.