Henning Thielemann writes:
Peter Verswyvelen wrote:
Now what I would like to do, is to create a mathematical expression in
Haskell (using e.g. an expression tree), which can be evaluated in
Haskell, and be converted to something pretty-math-printable (MathML,
PS, PDF, LaTex, whatever).
There is the LaTeX preprocessor lhs2TeX which can typeset Haskell
expressions in LaTeX's math mode. However I find the conversion not very
well designed (e.g. the handling of parentheses).
There was a program "TeX Haskell mode" by Manuel Chakravarty, also
lambdaTeX, etc., but if I understand well, this IS NOT what Peter V.
wants. He wants a specific pretty-printer *in Haskell*. This was most
probably a subject of many students' exercices...
Jerzy Karczmarczuk
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