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autor: James wystawiona: Lip. 23, 2009 · zobacz całą

Made to work with 3.5.1 without any problems (method as oobidoobbanoobi describes in the comments below)

For those that don't know:
1: Download [don't install] and change the extension from xpi to zip
2: Modify install.rdf so that: 3.5.* - 2a: Rezip if you unzipped to make the change
3: Change the extension back to xpi
4: Drag and drop your modified xpi to a Firefox window... And install... Restart... Done