<lab: label name> <idx> <cite: Peng (2006)> <ref: blah blah> <url: http://www.lyx.org> <ert: \funky stuff>
We are actually quite close to these. The buttons, with a background identical to text background, look like regular text. And we can tweak individual insets to what it displays. If you are unhappy about the label of a certain inset, we can discuss and change it. Cheers, Bo
