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designator Designator of the Edition

The edition or version number as an unadorned numeric or alphabetic value for machine comparisons.

Usage/Remarks

When an edition, version, or similar statement contains ordinals (such as “3rd”) or words such as “3rd print edition”, this attribute can preserve the edition/version number as a simple, machine-processable number, such as “3”.
OPTIONAL on many elements; click for list and usage

<content-version>, <edition>, <extended-by>, <restricted-by>, <version>

Value Meaning
The numeral or alphabetic character that indicates the edition or version number The straight unadorned edition number, for machine processing. Typically this is a number such as “4” or an alphabetic character such as “A”.
Restriction @designator is an optional attribute; there is no default.
Tagged Sample

An edition number

<mixed-citation>
 <collab>National Committee for Clinical Laboratory
 Standards</collab>. <source>Performance standards for 
 antimicrobial disk susceptibility tests</source>.
 <comment>Approved standard</comment>.
 <edition designator="7">7<sup>th</sup> ed.</edition>
 p. <fpage>M2</fpage>&ndash;<lpage>A7</lpage>.
 ...
</mixed-citation>