[Bug libstdc++/47380] concept checking and incomplete types

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47380

--- Comment #10 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-01-21 
00:02:38 UTC ---
Thanks Jon. Sometimes I despair we can make progress on the documentation ;)