+nnoremap e b
+
+"set gui=nonavigation
+
+":tab addons
+":tab downloads
+":tab extoptions
+":tab help
+":tab javascript!
+":tab preferences!
+"
+noremap <C-SPACE> <C-^>
+noremap v <C-^>
+" fix the issue on firefox49 history not working, https://github.com/vimperator/vimperator-labs/issues/590
+js services.services.autoCompleteSearch.class_="@mozilla.org/autocomplete/search;1?name=unifiedcomplete"