Merge branch 'workflow_tool' of https://github.com/pfmoore/pip into workflow_tool

Author: pfmoore

docs/html/topics/workflow.md

@@ -30,11 +30,11 @@ used to gain access to all of the various tools and libraries available on PyPI.
 In particular, this enables the installation of a number of workflow tools.
 
 This "bootstrapping" mechanism was proposed (and accepted) in [PEP
-453](https://www.python.org/dev/peps/pep-0453/).
+453](https://peps.python.org/pep-0453/).
 
 
 ## Further information
 
 The [Packaging User Guide](https://packaging.python.org) discusses Python
 project development, and includes tool recommendations for people looking for
-further information on how to manage their development workflow.
+further information on how to manage their development workflow.