data.version

data.version defines the range of attribute values which may be used to specify a TEI version number.
모듈 tei — 1 The TEI Infrastructure
에 의해 사용된
요소:
선언 

<rng:define name="data.version">
 <rng:data type="token">
  <rng:param name="pattern">[\d]+(\.[\d]+){0,2}</rng:param>
 </rng:data>
</rng:define>
data.version = token { pattern = "[\d]+(\.[\d]+){0,2}" }