The plugin system is the current extension surface for the DITA Package Processor.
These modules define the plugin contract, loading model, validation rules, registry behavior, and the built-in CorePlugin.
::: dita_package_processor.plugins.protocol options: heading_level: 3 ::: dita_package_processor.plugins.validator options: heading_level: 3 ::: dita_package_processor.plugins.loader options: heading_level: 3 ::: dita_package_processor.plugins.registry options: heading_level: 3 ::: dita_package_processor.plugins.core_plugin options: heading_level: 3