-memcached_delete() is used to delete a particular key.
-memcached_delete_by_key() works the same, but it takes a master key to
-find the given value.
+\fBmemcached_delete()\fP is used to delete a particular key.
+\fBmemcached_delete_by_key()\fP works the same, but it takes a master key
+to find the given value.