Hello Pavel:

Please find attached our patch for correcting the issue.  It should apply to 4.3.3 and 4.2.5, just exclude RELNOTES change.  This will be going into our next feature release, 4.4.0 due out Q1/2018 and maintenance release 4.3.7 whose date is TBD.

I appreciate your quick responses to my questions and for your initial patch as it gave me some insights.  Let me know how it works for you.   

Regards,

Thomas Markwalder
ISC Software Engineering