removes all library symbols and removes the library code from address space
on the last reference. This behavior is not required by the POSIX standard
and at least the musl library used by default by Alpine Linux implements
-the ``dlclose`` function has a no operation. On such systems a library
-is loaded for ever in a process, for instance it is not possible to
+the ``dlclose`` function as a no operation. On such systems a library
+is loaded forever in a process, for instance it is not possible to
replace a library binary by another version using configuration change
or reload: the process must be stopped and relaunched.