class Phlex::SGML

def yield_content_with_no_args

Other tags:
    Yield: - Yields the block with no arguments. 
def yield_content_with_no_args
	return unless block_given?
	target = @_context.target
	original_length = target.length
	content = yield
	__text__(content) if original_length == target.length
	nil
end