Abctab is an extension of the abc standard to allow for tablature notation. It uses "special clefs" to allow for seamless integration into abc (not unlike the way BarFly uses special clefs for neumes), doesn't seem to interfer with anything else, mirrors standard abc notation closely (with two minor exceptions) and should be a *very* valuable addition to abc's bag of tricks.
Here are some URLs for those who want to have a look:
Downloads and info:
http://www.lautengesellschaft.de/cdmm/
(btw, the new version 1.5.3 of abctab2ps was posted just a week or so ago)
Description of the abctab standard: http://www.lautengesellschaft.de/cdmm/userguide/node8.html
Online collections of abctab files: http://msg.science.uva.nl/~walstra/ABCArchive/index.html http://home.online.no/~frnordbe/nst/
Frank Nordberg http://www.musicaviva.com
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