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Recent News

04/15/10: A bug was found in the algorithm for rule attributes.
S = (S/"") "s" / "y" is left-recursive but went undetected due to the empty string alternative. This case has been fixed.
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12/02/09: A new Interactive APG web service for ABNF grammar development has been added to the site. At the same time APG Version 6.1 has been released.
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06/25/09: Congratulations to Thomas Miesch on the completion of his Open Source project SmallMGC. SmallMGC is a Media Gateway Controller for access and residential gateways.
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APG Documentation and Downloads

Application Docs Download Release Date
Interactive APG docs none December 2, 2009
APG 6.1 docs download December 2, 2009
APG 6.0 docs download June 17, 2009
APG 5.1 docs download March 1, 2009
APG 5.0.1 obsolete March 1, 2009
APG 5.0 docs download October 15, 2007
Dangling-Else docs download October 18, 2005
APG 4.0 obsolete June 2, 2006
APG 3.1 obsolete November 25, 2005
APG 3.0 obsolete September 15, 2005
APG 2.0 obsolete September 3, 2005
APG 1.0 obsolete May 12, 2005