UG: Update link to decorator module. Fixes
@@ -1006,7 +1006,7 @@ library documentation with Libdoc_ and when using RIDE_. To avoid this
issue, either do not use decorators, or use the handy `decorator module`__
to create signature-preserving decorators.
-__ http://micheles.googlecode.com/hg/decorator/documentation.html
+__ https://decorator.readthedocs.io
Embedding arguments into keyword names
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