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I am trying to typeset (with XeLaTeX) a simple Tufte-LaTeX example (http://tufte-latex.googlecode.com/files/Week5Lecture.tex) and getting an error message like the following:

/usr/local/texlive/2011/texmf-dist/tex/latex/amsmath/amsmath.sty:2496: LaTeX Er
ror: Unable to properly define \@@eqno; primitive \eqno no longer primitive.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              

l.2496 \@saveprimitive\eqno\@@eqno

Is it obvious to an expert what the problem might be? Or should I supply more information?

Edit: The minimum nonworking example is:

\documentclass[bidi]{tufte-handout}
\usepackage{amsmath}

The [bidi] is significant, I suspect this means bidirectional and provides support for right to left Hebrew.

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closed as not constructive by egreg, Marco Daniel, percusse, tohecz, Claudio Fiandrino Aug 28 '12 at 7:03

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Welcome to TeX.SX! Some more information in the form of a MWE or, in this case, a minimal non working example would be handy for studying the question. –  egreg May 9 '12 at 14:48
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There are also many other errors, which are caused by loading bidi too early. It's a bug in tufte-common.def, I believe. –  egreg May 9 '12 at 15:00
    
Oh well, I don't think I need bidi anyway. Thanks! –  Kurt May 9 '12 at 15:03
    
And I don't need amsmath either. –  Kurt May 9 '12 at 15:30

1 Answer 1

up vote 5 down vote accepted

The tufte-common.def file does many wrong things about package loading when XeLaTeX and the [bidi] option are used.

The bidi package should be loaded last, while the file providing common structure to the tufte classes does it in a wrong way.

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