updating-output

• To: clim@BBN.COM
• Subject: updating-output
• From: Jeff Morrill <jmorrill@BBN.COM>
• Date: Tue, 31 Mar 92 16:55:45 -0500
• Cc: jmorrill@BBN.COM

Is there any reason I should avoid nesting updating-output
within the scope of with-output-as-presentation?

I have a big presentation region that is recursively divided up into
smaller regions that ultimately contain a mixture of text and graphics.
I am having trouble making incremental redisplay
work with this type of hierarchical display.

  (updating-output (...)
    (with-output-as-presentation (...)
      (updating-output (...)
         (with-output-as-presentation (...) body1)
	 (with-output-as-presentation (...) body2))
      ...))

It seems like the way things are nested makes a big difference.
The documentation doesn't mention any nesting restrictions.

Thanks for any advice,
jeff morrill

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