1.03 December 27, 2012. Listen on the modern "input" event instead of "keypress". Changed keep_after_submission a little due to problems with LibraryThing. Finally implemented the fix suggested by movax.
Textarea Backup Localstorage
This script is only compatible with Opera 10.50 and up. If you need to use it with an older version use Textarea Backup but be advised that it comes with some disadvantages.
- Can automatically place previously typed text in textareas.
- Can add an unobtrusive menu in the top right corner of textareas
Actions menu screenshot (note the transparent object in the top right corner of the textarea):