Note: You are currently viewing documentation for Moodle 1.9. Up-to-date documentation for the latest stable version is available here: obsolete design.
This article is a design document which is no longer in use, the code it describes having been written and added to the Moodle codebase, or simply considered then abandoned. The information it contains is likely to be out of date, especially API and Database Schema specifications. More up-to-date information about this topic can be found at {{{replacement}}}.
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