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STRICT COMPILE OPTION - DONE
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last modified: 12-12-11

Have a strict-compile option that causes probable-error warnings
to cause compiler errors.

STATUS: DONE
FIRST PASSED: 12-08-11 
acceptance tests last attempted: 12-12-11
acceptance tests last passed:    12-12-11 

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acceptance test 1
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1. (make sure that /Users/smtuttle/480xp-tests/bad-functs has
   circ_area with an extraneous statement
   2 + 2;
   that should have been set up by script post-3)

(if necessary:
2. run:
   python3 theGui.pyw

3. Click "Change directory" and navigate to the following
   directory:
   /Users/smtuttle/480xp-tests/bad-functs
   ...and click "Choose".

   (This directory has a circ_area that has an unused and ugly
   extra bizarre statement 
   2 + 2;
   )
) 

4. highlight circ_area, and click Edit
   (Should see filled-in recipe steps for function circ_area)
   (make sure odd statement:
2 + 2;
   ...is there in body)

5. Click "Compile, Test, and Save".
   should see that it compiles, and tests pass

6. Now click "Compile strictly" checkbox, and then 
   click "Compile, Test, and Save" again.

   It should NOT compile this time, true? 

7. Now click "Detailed error messages" checkbox,
   (leave "Compile strictly" checkbox checked), and then
   click "Compile, Test, and Save" again.

   It still should not compile, but now you should get
   a warning-that-is-now-an-error noting that a statement
   has no effect;

LAST TESTED: 12-12-11
LAST PASSED: 12-12-11