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Motivation

In the past we have used text based tools and there's a surprising amount you can do with regular expressions. However once context becomes important they can become a liability. In those cases it is much better to have the parse tree.

At the moment the tool is only able to flag up where a style rule has been broken. For some things this is the best we can hope for but for others we might aspire to correct the problem.

For instance the current check for missing implicit none statements might, in the future, insert them where they are missing.

Design

Some UML class diagrams have been prepared which may be found in the documentation directory. These make use of the PlantUML tool to render.

PEP8 tool which makes use of pycodestyle, thus allowing Python to be handled as well. What to do about files which don't have an extension?