UPDATE: The project was moved to github (https://github.com/schober-ch/calc2booktab). The soruceforge page won't get any bugfixes, please use the github repo if you want to try this macro.
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A Python extension for OpenOffice/LibreOffice to convert selected cells to LaTeX-Code. Its similar to Calc2Latex, but typographic formatting is more advanced (numeric columns, dcolumn-package, booktab-package)
Script is tested...