Jean-Yves Perrier

Remove improper uses of var in a11y

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This PR removes all the remaining improper uses of var in web/accessibility \o/.

Remove last improper uses of var in Web/API

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Most were in a comment or in old polyfills for IndexedDB (no more needed). Fixes #16662

Fix error message explanation about var

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Fixes #18265

Add CSS properties defined in MathML Core

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Hi! On MDN, we are using w3c/webref (instead of our old mdn/data) to extract the formal syntax of CSS properties. In mdn/content#18641, we have noticed that the formal syntax of...

This has been done on other MDN repositories, this one should also migrate. (note this could break some links on MDN, and would need some find and replace…)

Project: Modernizing JS in MDN examples and code snippets

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MDN uses old-fashioned JavaScript in numerous places: code snippets, code examples, and larger samples (in dom-examples). This state is mainly a consequence of the development process. We create a page...

OWD project: Revamp MDN CSS color documentation

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### Summary Update our pretty old documentation about CSS colors by rewriting `` and writing a few guides and glossary entries to describe modern concepts like gamut and color schemes....

OWD project: Update HTTP docs (HTTP/2, HTTP/3, CSP, etc)

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This proposes that we work update HTTP documentation on MDN docs to take into account the HTTP/2 & HTTP/3 protocols, a move to Markdown, fix the outstanding issues, and revisions...

# Problem statement Our documentation of the DOM is really old. Most of the guides have been written around 2005 at a time DOM implementations were not really portable between...

Validate syntaxes

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Hi! Properties and selector syntaxes make use of lower-level syntaxes. Unless they are "basic" types (that has their own page on MDN), these lower-level syntax are defined in syntaxes.json (and...