teidata.version

teidata.version defines the range of attribute values which may be used to specify a TEI or Unicode version number.
Module tei
Used by
Element:
TEI/@version
Note
The value of this attribute follows the pattern specified by the Unicode consortium for its version number (https://unicode.org/versions/). A version number contains digits and fullstop characters only. The first number supplied identifies the major version number. A second and third number, for minor and sub-minor version numbers, may also be supplied.
Source Github

<dataSpec module="tei" ident="teidata.version">
   
<desc>defines the range of attribute values which may be used to
 specify a TEI or Unicode version number.
</desc>
   
<content>
      
<dataRef name="token" restriction="[\d]+(\.[\d]+){0,2}"/>
   
</content>
</dataSpec>