(2002-09-06) Now supports multiple and internationalized definition elements
(2002-09-29) Now support AECMA enum value for standardization organizations
(2002-10-05) Now BEA is supported as a potential spec author
(2002-10-06) Now Verisign is also supported as a potential spec author
(2002-10-12) Now ebXML is also supported as a potential spec author
(2002-11-18) Added optional meta information element
(2002-12-07) Changed type of expansion attribute to token
(2002-12-14) Added the Open Mobile Alliance as spec author
(2003-02-14) changed id attribute of acronym element to mandatory
(2003-08-07) expansion attribute now required for acronym elements
(2003-08-13) added Apache as acronym provider
Optional just for the period of setting up a new definition. As soon as a definition arrives for a given acronym it will be included into the produced glossary