deletions | additions       diff --git a/section_LaTeX_Programming_Only_if__.tex b/section_LaTeX_Programming_Only_if__.tex  index f39b08b..5ba1103 100644  --- a/section_LaTeX_Programming_Only_if__.tex  +++ b/section_LaTeX_Programming_Only_if__.tex 
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\newcounter{a}  \newcounter{b}  \newcount\ab  %  \newtoks\allrows  \newcommand\addrow[3]{%  \begingroup\edef\container{\endgroup 
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#1 & #2 & #3\noexpand\\}}\container}  \newcommand*\resetrows{\global\allrows{}}  \newcommand*\printrows{\the\allrows}  %  \resetrows  %  \setcounter{a}{4}  \loop\ifnum\thea<9  \stepcounter{a} 
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\repeat}  \expandafter\global\expandafter\allrows\expandafter{\the\allrows\hline}  \repeat  %  \begin{tabular}{|rrr|}  \hline $A$ & $B$ & $A\times B$ \\ \hline  \printrows