Use of abbr tag in EXIF message

Does this mean we can/should use the abbr tag?

Zack20:04, 9 September 2011

It should be flexible, but the property name column will probably be as wide as the longest property translation.

Siebrand21:59, 9 September 2011

How about amending the English source to include an abbreviation tag for counterclockwise?

Lloffiwr17:51, 10 September 2011