5 POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/rename.html}
9 Portability problems fixed by Gnulib:
12 This function does not handle trailing slashes correctly on
13 some platforms (the full rules for trailing slashes are complex):
16 This function will not replace an existing destination on some
21 Portability problems not fixed by Gnulib:
23 This function will not replace a destination that is currently opened
27 This function mistakenly allows names ending in @samp{.} or @samp{..}