Wed, 15 Dec 2010 19:41:24 +0100 make sure errors generated in a thread don't vanish in cyberspace (e.g., when invoking Sledgehammer with unknown facts)
blanchet [Wed, 15 Dec 2010 19:41:24 +0100] rev 41180
make sure errors generated in a thread don't vanish in cyberspace (e.g., when invoking Sledgehammer with unknown facts)
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