I knew I am missing something :-)
Good old C0...05 here also.

>It blows up when you try to build EXE not when you run the code.
>
>>Strange, but it works on my computer:
>>

>>on key label "F3" execscript( ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)  + ;
>>        "" + chr(13) + chr(10)  + ;
>>        "" + chr(13) + chr(10)  + ;
>>        "local lcTagName" + chr(13) + chr(10)+;
>>        'WAIT WINDOW [aaaaaa]')
>>

>>When I save it in PRG and run that prg after I press F3 I see WAIT WINDOW. Maybe I am missing something.
>>