Allowing Visitors to Preview Their Comments
You might have noticed already that people posting comments to your site don't share your ability to go back and edit their thoughts once they're posted. For them, writing a comment is a one-shot deal—unless, of course, you're nice enough to take advantage of Movable Type's comment preview feature.
Movable Type's comment system has, built into it, the ability to show what a comment will look like before it's actually committed to the site. This preview is particularly useful if you've turned off the conversion of line breaks or if you've allowed HTML in comments because either can have a sizable effect on how comments are presented once they hit the page. Your visitors still won't be able to go back ...
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