Version: 21.5 since <The big ben-mule-21-5 check-in!> of 2002/03/13.
`Fset_current_locale' reads string pointed to by `setlocale' return
value after another `setlocale' call. The string is converted to
return value, which thus may easily hold garbage. <(libc)Setting the
Locale> says:
The string returned by `setlocale' can be overwritten by
subsequent
calls, so you should make a copy of the string (*note Copying and
Concatenation::) if you want to save it past any further calls to
`setlocale'. (The standard library is guaranteed never to call