metomi/rose#733: fix syntax error
metomi/rose#733: fix reload non-existent widget
metomi/rose#733: add view mode control
metomi/rose#733: fix show user-ignored pages
metomi/rose#733: fix show modes for file section pages
metomi/rose#733: fix duplicate latent variables appearing after Revert for latent page latent variable
metomi/rose#733: fix clone section, adjust variable hover-over
metomi/rose#733: improve trigger switch off