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 '''Web Developer?''' This wiki is concerned with development of the Gecko rendering engine itself. If you are a Web developer (building Web pages, sites, apps, etc.) and have questions about (X)HTML, XUL, CSS, DOM, or JavaScript then go to the [http://developer.mozilla.org/ Mozilla Developer Network]. '''Want to hack on Gecko?''' The [https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide Developer Guide] is probably what you are looking for.

[https://developer.mozilla.org/en-US/docs/Introduction Contributing to the Mozilla/Developer_guide Developer guidecodebase] If you're just beginning.