This tutorial covers the following topics on Cotonti extension development:
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	Creating a plugin. 
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	Using the database in your plugin. 
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	Using CoTemplate to provide administration interface. 
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	Localization of the interface. 
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	Tools for administrators in plugins. 
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	Modification of system behavior. 
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	Using AJAX to implement auto-complete. 
Planning the features and structure
The plugin we are going to make in this article is the long requested tool that would let site administrators assign custom...