Say multi-language instead of bilingual Locales are a config array of any length, in any language, each declaring ltr or rtl. The old copy read as though Arabic were part of the package, so a reader would add it to a site that never asked for it. Bilingual and RTL becomes Multi-language and RTL, with a section on removing a locale. The old page stays as a pointer, since wiki URLs do not redirect.
Rework the wiki: six new pages, and stop the duplication Everything past installation lived in two half-pages and a lot of it was nowhere. Adds Blocks, Design tokens, Bilingual and RTL, Publishing, Configuration and Troubleshooting, each covering what was previously scattered or missing entirely. Troubleshooting is the one worth having: almost every failure mode in this package is silent, so it lists them in the order they catch people rather than by subsystem. Usage stops repeating the block-writing guide and points at it. How it works gains the pieces built since it was written: the revisions and redirects tables, layout resolution, and why tokens are stored as references. Home becomes a real index, and the sidebar is grouped rather than a flat list.