errorDialog broken?

[Richard Gaskin]

Many years ago I thought I could use the errorDialog message to catch 
throw statements, but when I try that here in both v6 and v8 I find all 
errorDialog handlers are ignored

- EXCEPT -

...for the one in LC's revbackscriptlibrary

1. Why?

2. How?

-- 
  Richard Gaskin
  Fourth World Systems
  Software Design and Development for the Desktop, Mobile, and the Web
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