It takes one argument, a list of key-value pairs, in which the following
keys are recognized:
+=over
+
=item NAME
This gives the name of the extension (I<e.g.> Tk::Canvas) for which
name of the extension). If it is not specified, it is derived
from the NAME attribute. It is presently used only by OS2.
+=back
+
When calling C<Mksymlists>, one should always specify the NAME
attribute. In most cases, this is all that's necessary. In
the case of unusual extensions, however, the other attributes