Fix 2032476: improve interface for Lee's Rapid Deconstruction.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6742 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on July 31, 2008
PMODADA7C3BWOFCPU37626DKMWENG6FAR5I6TOIQU5OBJBUJTSAQC
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