On Sun, Oct 31, 2010 at 12:04 AM, Sven Neumann <s...@gimp.org> wrote:
> You don't need to use these procedures from scripts.
> Their purpose is to allow plug-ins to install their own UI for
> displaying progress information from other procedures. The Script-Fu
> extension uses it for example to redirect progress information from a
> script to the progress-bar in the script dialog window.
> Sven

Well, thanks for the explanation.
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