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About this Add-on
Windows and Linux :
You can use Ctrl+R or Ctrl+Enter to run.
You can use Cmd+R or Cmd+Enter to run.
This add-on works in latest release versions of Firefox, Firefox Beta, Developer Edition and Nightly.
Important note : You need version 3 or higher for e10s support.
You can contribute on Github : https://github.com/nt1m/devtools-prototyper