* ASN.1/GDMO mode for GNU Emacs

This is a major mode for editing ASN.1/GDMO files.

** References

- ITU-T X.680 Information technology – Abstract Syntax Notation
  One (ASN.1): Specification of basic notation
  (http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=9604)

- ITU-T X.681 Information technology – Abstract Syntax Notation
  One (ASN.1): Information object specification
  (http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=9605)

- ITU-T X.722: Information Technology – Open Systems
  Interconnection – Structure of Management Information:
  Guidelines For The Definition of Managed Objects
  (http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=3061)