FIX: Incorrect Results from SELECT with Nested SELECTs and OR

MORE INFORMATION

Steps to Reproduce Problem

1. Create three tables named Test1, Test2, and Test3. Place the following information in each table:
   
   Table Test1 has one field (char1) containing these records:

         AAAAA
         BBBBB
         CCCCC
         DDDDD
         EEEEE
         FFFFF
         GGGGG
         HHHHH
   						

   Table Test2 has two fields (Char1 and Char2) containing these records:

         char1    char2
         AAAAA    ZZZZZ
         ZZZZZ    AAAAA
         YYYYY    WWWWW
         BBBBB    VVVVV
         UUUUU    CCCCC
         WWWWW    PPPPP
         VVVVV
   						

   Table Test3 has one field (char1) with one record containing:

         qqqqq
   						

2. Run the following program, and notice that the results of the query vary depending on which tables are open and which work areas they are using:

      CLOSE DATA
      USE test1 IN 1
      SELECT char1 FROM test1 WHERE ;
        char1 IN (SELECT char1 from test2) OR ;
        char1 IN (SELECT char2 from test2) ;
        INTO CURSOR query
      BROWSE TITLE 'Test1 open in WA1'   && returns all records from test1
   
      CLOSE DATA
      USE test3
      SELECT char1 FROM test1 WHERE ;
        char1 IN (SELECT char1 FROM test2) OR ;
        char1 IN (SELECT char2 FROM test2) ;
        INTO CURSOR QUERY
      BROWSE TITLE 'Test3 open in WA1'   && returns all records from test1
   
      CLOSE DATA
      USE test1 IN 2
      SELECT char1 FROM test1 WHERE ;
        char1 IN (SELECT char1 FROM test2) OR ;
        char1 IN (SELECT char2 FROM test2) ;
        INTO CURSOR QUERY
      BROWSE TITLE 'Test1 open in WA2' && returns correct records from test1
   
      CLOSE DATA
      SELECT char1 FROM test1 WHERE ;
        char1 IN (SELECT char1 FROM test2) OR ;
        char1 IN (SELECT char2 FROM test2) ;
        INTO CURSOR QUERY
      BROWSE TITLE 'No tables open'   && returns correct records from test1
   
      SELECT char1 FROM test1 WHERE ;
        char1 IN (SELECT char1 FROM test2) or ;
        char1 IN (SELECT char2 FROM test2) ;
        INTO CURSOR QUERY
      BROWSE TITLE 'Test1 in WA1 and Test2 in WA2'   && returns no records