HTML Purifier has documentation for all types of people. Here is an index of all of them.
End-user documentation that contains articles, tutorials and useful information for casual developers using HTML Purifier.
Developer documentation detailing code issues, roadmaps and project conventions.
Proposed features, as well as the associated rambling to get a clear objective in place before attempted implementation.
Miscellaneous essays, research pieces and other reference type material that may not directly discuss HTML Purifier.
Plaintext documents that are more for use by active developers of the code. They may be upgraded to HTML files or stay as TXT scratchpads.
|End-user||Overview||High level overview of the general control flow (mostly obsolete).|
|End-user||Security||Common security issues that may still arise (half-baked).|
|Development||Config BC Breaks||Backwards-incompatible changes in HTML Purifier 4.0.0|
|Development||Code Quality Issues||Enumerates code quality issues and places that need to be refactored.|
|Proposal||Filter levels||Outlines details of projected configurable level of filtering.|
|Proposal||Language||Specification of I18N for error messages derived from MediaWiki (half-baked).|
|Proposal||New directives||Assorted configuration options that could be implemented.|
|Proposal||CSS extraction||Taking the inline CSS out of documents and into
|Reference||Handling Content Model Changes||Discusses how to tidy up content model changes using custom ChildDef classes.|
|Reference||Proprietary tags||List of vendor-specific tags we may want to transform to W3C compliant markup.|
|Reference||Modularization of HTMLDefinition||Provides a high-level overview of the concepts behind HTMLModules.|
|Reference||WHATWG||How WHATWG plays into what we need to do.|