It is better to manage warnings on our side to know what warnings we need to fix or suppress, and the only thing that header does is disabling deprecation warnings on MSVC and ICC which we would prefer to not show to users.
Improve QString integration in custom_string.cpp
There is an example of how to use Qi with Qt's QString as a custom string.
This is very helpful but it doesn't work in conjunction with the debug facilities.
The following patch fixes this by adding a couple of template specialisations.
Patch originally submitted as https://svn.boost.org/trac/boost/ticket/8846
