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[abc standard: home | current | route-map | updating | proposals]
This is the home page for the abc standard, the (semi-formal) description of the rules of abc. It contains links to different versions of the standard and to development work.
If you wish to link to the standard, it is recommended that you link to this page, http://abcnotation.com/wiki/abc:standard, rather than to a specific version.
The new draft version of the standard is at
The current version of the standard is at:
See the following pages:
A number of older versions are available:
Henrik Norbeck has provided formal specifications of the standard in Backus-Naur Format available at:
Other developmental work on abc notation can also be found at: