reference counting in string's allocator, where else?

[Loren James Rittle]

I just wrote:

> If you configured 2.95.X with --enable-threads and your port is
> configured to support threads when that switch is given (or you
> explicitly configured with --enable-threads=X where X is supported by
> your platform) AND you gave the correct compile and link time flags
> for your platform, then container allocators should be thread-safe.

[In light of Jason's response to another e-mail thread, I feel
 compelled to add:]

...according to the SGI rules for STL...

> This may be true for string allocators, but I have no knowledge of
> that code base.

[...]