cs.togglecanonical
Sometimes the edit form of translated content items is completely unusable due to the two-50%-width-column hardcoded in the template.
But having in the same page the canonical content and the translated one is a very nice feature.
With this product a new action will appear in a LinguaPlone enabled content-types in a multilingual site to allow users to show and hide canonical content on-demand using a Javascipt action