JeffersonScher

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JeffersonScher

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Command Line Options


New feature of Firefox 67 (downgrade protection)

List of default Accept values


Minor cleanup

List of default Accept values


Updated accept header and preference information for Firefox 66

windows.create()


Setting either top or left for type: "popup" leads to a horizontally and vertically centered window.

Taking screenshots


Firefox 62 has cool new Helper commands for screenshots.