See bug 28882. It might be helpful if we could distinguish between viewing sysprefs and changing them.
Yep, this could be a new page with a datatable containing all preferences. Maybe with a modal display for special content HTML,YAML ...
(In reply to Fridolin Somers from comment #1) > Yep, this could be a new page with a datatable containing all preferences. > Maybe with a modal display for special content HTML,YAML ... We have a lot of display code and the like. Maybe it would be easier to disable input fields on the normal pages and add a server side check so that noone can cheat it by adding source code?