This LuaLaTeX package offers some useful macros for tabular matter. The \MC command it provides allows one to specify a multi-row and or multi-column cell with minimal syntax. The package loads booktabs and adds a gray midrule, and allows a user to specify multiple \cmidrules with one command, or produce midrules every Xth row with \midruleX. The github repo has an MS Excel
macro-enabled spreadsheet named "LaTeX-Tabular-Generator.xlsm" to help make tables in LaTeX.
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