function parameters must be specified positionally and cannot be used as
keyword arguments. This is the same notation shown by ``help()`` for C
functions annotated with Larry Hastings'
-`Argument Clinic <devguide.python.org/development-tools/clinic/>`__ tool.
+`Argument Clinic <https://devguide.python.org/development-tools/clinic/>`__ tool.
In the following example, parameters *a* and *b* are positional-only,
while *c* or *d* can be positional or keyword, and *e* or *f* are