Testing Tabs

The following is Invalid µOCCAM. This program tests for TAB's after spaces with is invalid and for comments within continuation lines

-- this is an invalid program

SEQ
  PAR
  PAR
   SEQ
     SEQ
      SEQ
	SEQ --using TAB's now
	  SEQ--how close or how far away from the token, the comment is shouldn't matter
  	SEQ      -- this looks like an outdented SEQ but it's an indent followed by a TAB
-- This is illegal!!


--This should work for continuation lines too

PAR
  varIAB.L.E.1 :=   -- comments CANNOT occur here
   		E1.1st.exp <= E2.2nd.EXP...  -- this line has 3 spaces followed by two tabs.  This is invalid

-- comments -- should -- be allowed here --