our $VERSION : unique = "1.00";
Note that this attribute also has the effect of making the global
-readonly in the main interpreter after the first new interpreter
-has been cloned (for example, after the first new thread has been
-created).
+readonly when the first new interpreter is cloned (for example,
+when the first new thread is created).
Multi-interpreter environments can come to being either through the
fork() emulation on Windows platforms, or by embedding perl in a