Classical dramatic structure
¥ ÒActÓ function is represented by any centered typeface
¥ ÒSceneÓ function is represented by any centered typeface subsequent to any "Act" (i.e. ÒSceneÓ
is a subset of ÒActÓ)
¥ ÒReferentÓ function is represented by any left-aligned typeface if and only if subsequent to
any ÒActÓ or ÒSceneÓ (i.e. Act/Scene = content)
¥ Any left-aligned bold type may (not) function as parabasis