modal window = block handler?

Bob Sneidar bobsneidar at
Mon Jul 10 19:26:25 EDT 2017

According to this thread, that is what open invis as modal does. 

Bob S

> On Jul 10, 2017, at 14:53 , Paul Dupuis via use-livecode <use-livecode at> wrote:
> 2) present a modal windows, allow no other scripts or actions to occur,
> but allow the current handler to continue executing.

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