C++ PATCH: PR 23293

[Gabriel Dos Reis]

David Abrahams <dave@boost-consulting.com> writes:

| That particular case could be improved drastically by dropping
| template arguments from error messages when they are identical to the
| default, so you'd get 
| 
|   std::basic_string<char>


That has been requested several times in the past.  If we don't have a
PR for it, please consider filling one.

-- Gaby