Epydoc is a documentation tool that renders its own lightweight markup language Epytext for Python programming language documentation strings. As opposed to freeform Python docstrings and other markup languages (reStructured Text) for docstrings, Epytext supports linking between different pieces of documentation. There are several tools for rendering Epytext. The most common way, aside from leaving it for the user to interpretate, is to render it as a series of HTML documents for display on the Internet. Epydoc also supports viewing the rendered docstrings within Python using a GUI.

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