Microsoft KB Archive/35666

= In QB.EXE, Improper FOR NEXT Control after NEXT Is Inserted =

Article ID: 35666

Article Last Modified on 11/21/2006



This article was previously published under Q35666



SYMPTOMS
In the QB.EXE editor, when a NEXT statement is inserted inside a nested FOR NEXT loop after a &quot;FOR WITHOUT NEXT&quot; error has occurred, loop control is incorrectly executed.



STATUS
Microsoft has confirmed this to be a bug in Microsoft QuickBasic Versions 4.00, 4.00b, and 4.50, and in the QB.EXE that comes with the Microsoft Basic Compiler Versions 6.00 and 6.00b for MS-DOS and MS OS/2 (buglist6.00, buglist6.00b). This problem was corrected in the Microsoft Basic PDS Version 7.00 (fixlist7.00).



MORE INFORMATION
To duplicate this problem, do the following:

  Enter the following code in the QuickBasic editor: CLS FOR k = 1 to 5 FOR l = 1 to 2 PRINT k

NEXT Running this will give the FOR WITHOUT NEXT error.   Insert another NEXT statement after the &quot;PRINT k&quot; and run the program again.

The output should be as follows:      1   1   2   2   3   3   4   4   5   5 However, it is as follows:      1   1   2   2 If the NEXT is inserted after the already existing NEXT, the program runs correctly. 

Additional query words: QuickBas BasicCom buglist4.00 buglist4.00b buglist4.50 B_BasicCom

Keywords: KB35666

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