Treffer: The descriptive/procedural distinction is flawed.

The traditional distinction between descriptive and procedural markup is flawed; it conflates two different dimensions - mood and domain - which in fact can vary independently. An adequate markup taxonomy must, among other things, incorporate distinctions such as those developed in contemporary "speech-act theory". This will substantially complicate, although in interesting ways, the development of an adequate theory of markup semantics, as formalization will require modal operators and additional axiomatic relationships. In addition, these reflections reveal that there are foundational issues in markup theory that are not yet resolved, in particular the precise relationship between markup and text. [ABSTRACT FROM AUTHOR]

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