wiki: HTML.PHP 5.0.0 documentation set (23 pages) Adds Expressions & Math and Migration 4.x -> 5.0, and updates Home, sidebar and footer, API reference, Architecture, CLI, Configuration, Diagnostics, Getting Started, ROADMAP, Security, Template Syntax and Testing & CI for 5.0.0: inline %{= EXPR} expressions, dynamic keys, the new math functions and filters, the syntax.expressions gate, and the corrected test figures (386 / 1286) and empty PHPStan baseline.
wiki: HTML.PHP 4.0.0 documentation set (20 pages) Replaces the GitHub-generated Home.md stub with the full wiki: Home, sidebar and footer, Getting Started, Problem Domain, Template Syntax, SSI, I18n, WordPress integration, CLI, configuration and API reference, diagnostics, architecture, security model, testing and CI, migration 3.x -> 4.0, contributing and roadmap.