* @return True when SyntaxToCheck corresponds to the Transfer Syntax of
* the current document. False either when the document contains
* no Transfer Syntax, or when the Tranfer Syntaxes doesn't match.
* @return True when SyntaxToCheck corresponds to the Transfer Syntax of
* the current document. False either when the document contains
* no Transfer Syntax, or when the Tranfer Syntaxes doesn't match.