aft - 2:5.098-4 main

AFT is a document preparation system. It is mostly free form meaning that there
is little intrusive markup. AFT source documents look a lot like plain old
ASCII text.
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AFT has a few rules for structuring your document and these rules have more to
do with formatting your text rather than embedding commands.
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Right now, AFT produces pretty good (weblint-able) HTML, XHTML, LaTeX, lout and
RTF. It can, in fact, be coerced into producing all types of output (e.g.
roll-your-own XML). All that needs to be done is to edit a rule file. You can
even customize your own HTML rule files for specialized output.