We are always looking for ways to enhance the developers experience with the symfony documentation. Some time ago, we added PDFs for all symfony documentation to ease offline work.
Today, thanks to Geoffrey Bachelet, the symfony website has now support for the OpenSearch specification.
We have added OpenSearch support for all stable versions of the symfony API: 1.0, 1.1, and 1.2. If you use Firefox, the symfony search engines will show up automatically in the search engine menu. You can also click on the "API OpenSearch" link from the API documentation section.
I have also recorded a small screencast to show you how the symfony API search engine integrates well with Firefox:
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