HVML

Hypervideo Markup Language

Glossary of Terms

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empty string
Any of NULL, the empty string, or pure whitespace
non-empty string
Any sequence of characters excluding NULL, the empty string, and pure whitespace
locally-unique identifier
A sequence of characters used to identify an element subtree that does not recur as an identifier within its nearest scoped ancestor, such as glossary, but may recur beyond that boundary.