| July 14th, 2002 | Created attributes.tex from attributes.txt. |
| July 14th, 2002 | Updated doc to be in sync with post-20020527. |
| August 25th, 2002 | Added obsolete type= attribute. |
| September 14, 2002 | Added description= attribute. Minor fixes |
| October 7, 2002 | Added doc= attribute; Egil Kvaleberg. |
| February 11, 2003 | Added reference to footprint conventions. |
| February 23, 2003 | Added author=, email=, and comment= attributes. |
| July 6th, 2004 | Added symversion= attributes. |