output: Make it possible to push and pop output engines.
authorBen Pfaff <blp@cs.stanford.edu>
Tue, 26 Aug 2014 01:08:06 +0000 (18:08 -0700)
committerBen Pfaff <blp@cs.stanford.edu>
Sat, 30 Aug 2014 18:55:45 +0000 (11:55 -0700)
This makes it possible to temporarily push a different set of output
drivers, which in turn makes it possible to do output as a pane within a
dialog or other window.


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