Upgrade documentation on custom variables and conditional execution

parent dee9fa05
......@@ -893,8 +893,8 @@ Custom variables and conditional execution
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In order to give an extra level of flexibility when defining the files and modules that are going to be used in a
specific project, ``hdlmake`` allows for the introduction of custom variables in the top Manifest that can then be
accessed from inside all of the Manifests in the design hierarchy. This is a very handy feature when different synthesis
specific project, ``hdlmake`` allows for the introduction of custom Python variables and code in the ``Manifest.py`` hierarchy.
This is a very handy feature when different synthesis
or simulation configurations in complex designs should be selected from the top level Manifest when running ``hdlmake``.
As a very simple example of how this mechanism can be used, suppose that we want to simulate a design that uses a module for which
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