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!! +exec+ +var+ +string+
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tit:mathmlmath
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type:$type_both
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alias:math2mathml
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syntax:!mathmlmath ``expr''
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mean:Translate the raw mathematical expression ``expr'', into a form which can be best \
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  possibly rendered via mathml tags. The transformations\
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  are the same as in htmlmath command and the result is in html if mathml is not available.\
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  If the expression is not a "machine-understandable mathematical expression",\
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  there is no garanty on the result (today and in the future !).\
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  <ul><li>\
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  All digits or + or - following a ^ or _ are considered as in exponent/subscript;\
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  expression with ( ) following a ^ or _ are  considered as in exponent/subscript;\
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  parenthesis are remove (if no sign before) except in case of exponent and only digits.\
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  </li><li>\
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   Get rid of 1*.. ..*1. example: in 1 * x, x/1, the 1 is removed.\
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  </li><li>\
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  Replace scientific notation 35E-05 by 10 power and add multiplication sign. Remove the + or 0 useless.\
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  </li><li>\
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   Replace some names as greek letters by their equivalents.\
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  </li><li>\
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   Remove * or replace by multiplication sign.\
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  </li><li>\
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   Replace <=, >=, ->, =>, <=> by their html/mathml equivalents if possible.\
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  </li></ul>