[texhax] extracting math from pdf file

Benjamin Sambale bsambale at gmx.de
Sun Dec 5 22:46:37 CET 2010

Dear forum,

consider the following code:


I compiled this code using pdflatex (TeX Live 2010). If I try to copy 
the \ne-symbol in the corresponding pdf-file with the mouse cursor, I 
get an equality-sgin (=) instead. I only tried this with evince as pdf 
viewer, but I suspect that the behavior is similar for other viewers. I 
also tried to use something like


without success. I'm very grateful for any ideas.

Best wishes,

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