http://trac.roundcube.net/trac.cgi/ticket/1484008I tried to get it working and applied it to rev. 361, but had no luck. The preview option shows up in user preferences, but I'm not getting a preview pane
So if anybody has it working, please send me your files!(config/
main.inc.php, /program/include/
main.inc, /program/localization/en_US/
labels.inc, /program/js/
app.js, /program/steps/settings/
func.inc, /program/steps/settings/
save_prefs.inc, /program/steps/mail/
show.inc, /program/steps/mail/
func.inc, /skins/default/templates/
mail.html, /skins/default/templates/
previewmessage.html, /skins/default/
mail.css)