id summary reporter owner description type status milestone component version severity resolution keywords cc 5458 typo document : is_virtual_base_of Akira Takahashi John Maddock "http://www.boost.org/doc/libs/1_46_1/libs/type_traits/doc/html/boost_typetraits/reference/is_virtual_base_of.html this rows is same. {{{ is_virtual_base_of::value is an integral constant expression that evaluates to true. is_virtual_base_of::value is an integral constant expression that evaluates to true. }}} should be: {{{ is_virtual_base_of::value is an integral constant expression that evaluates to true. is_virtual_base_of::value is an integral constant expression that evaluates to true. }}} " Bugs closed To Be Determined type_traits Boost 1.47.0 Problem fixed