On 7 May 2008, at 23:55, Hershel Fisch wrote:

   wait 0 millisecs with messages -- need this to allow rev to
respond to button clicks

What is this "with massages"? I'm trying to figure it out for the longest
time.
Hershel

As Mark wrote, this is needed so that the user can actually interact in any way during the loop.

Waiting without messages means that the interface will stay frozen until the entire handler has finished, meaning that people can't click on 'Cancel' buttons etc.

Ian

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