language-version Code Language Version

Version of the language in which this code is written, e.g., “3.0”, for code written in “Javascript 3.0”. (The “javascript” should be recorded in the @language attribute.)
OPTIONAL on elements: <code>, <inline-code>
Value Meaning
Text, numbers, or special characters The version of the language in the code sample, such as “3.0”, “8A”, etc.
Restriction This is an optional attribute; there is no default.