Ubuntu Firefox Modifications addon persistently disables middlemouse.contentLoadURL

[Malcolm Scott]

Firefox has an optional feature whereby the URL in the clipboard will be loaded on middle-click. Although I accept the reasoning behind this being turned off by default (bug 353318), I prefer it turned on. It used to be the case that one could turn it on by visiting about:config and setting middlemouse.contentLoadURL to true. However, the "Ubuntu Firefox Modifications" addon which is installed in Firefox by default disables this setting persistently (at least on restart, probably more often than that). I can only enable this feature permanently if I remove or disable the Ubuntu Firefox Modifications addon.

This behaviour happens in at least Ubuntu 11.04, in Firefox 5 and 6. It may have been ongoing for longer; https://bugzilla.mozilla.org/show_bug.cgi?id=660447 suggests that this has been happening since Ubuntu 10.10 and/or Firefox 4.

Could this addon please not interfere with this setting if it has been changed by the user?

[Scott Garman (sgarman)]

The package xul-ext-ubufox contains the extension which causes this behavior. The ubuntu-mods.js file resets middlemouse.contentLoadURL to 'false' when Firefox starts with this extension enabled.

The attached patch resolves the problem for me.