C++ PATCH: PR 20599 (1/3)

[Gabriel Dos Reis]

Martin Sebor <sebor@roguewave.com> writes:

[...]

| FWIW, this is also our preference. We have requested most compiler
| vendors to provide feature test macros for optional language features

A key difference here is that C++0x is not really optional, and in a
year or two we're done.  It is supposed to last as optional or
experimental things.  Indeed, once the WP is finalized we can hope to
clean up a bit the "mess" for experimental C++0x features.

-- Gaby