55.6. Design Goals
A typical Webmin module is written to configure some UNIX services, such as Apache, Squid, or NFS exports. Most UNIX servers are normally configured by editing a specific text file, which may have a complex format. Any Webmin module that modifies a configuration file must be able to parse all possible options in such a configuration file, even if not all options are presented to the user.
No module should ever corrupt a service configuration file or remove options that it does not understand. Modules should be able to parse any valid configuration without requiring special comments or a special format. If your module cannot deal with some option in a file, it should be left alone.
Webmin modules should be designed to be easy ...
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