Marking of functions with attributes like __wur

[Roland McGrath]

> I had started working on this page earlier this week and it isn't
> nearly complete or ready but it may be a good place to add this:
> 
> http://sourceware.org/glibc/wiki/Style_and_Conventions

Actually I think this is a separate and more serious subject than that one.
Details about coding style are certainly good to document.  (Though I don't
think we should go into a lot of detail that is redundant with the GNU
Coding Standards.)  But errors in that sphere can always be fixed up later.
API additions are a much more serious issue and many errors can be things
we'll be stuck with for a long time once they appear in a release.  (This
is not true of things like __wur annotations, but still.)


Thanks,
Roland