The source is at https://github.com/gregglind/addon-wr/ https://github.com/gregglind/addon-wr/ Its startup is controlled by the addon/bootstrap.js file. Per li

The source is at https://github.com/gregglind/addon-wr/ https://github.com/gregglind/addon-wr/ Its startup is controlled by the addon/bootstrap.js file. Per line 22, it's completely inert unless the user manually toggles `extensions.pug.lookingglass` in about:config: https://github.com/gregglind/addon-wr/blob/59659431fd2a75c33ac70a0e6e3e193a01ff8f66/addon/bootstrap.js#L22-L24 https://github.com/gregglind/addon-wr/blob/59659431fd2a75c33...