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by tadfisher 810 days ago
Great summary of the problem on StackOverflow: https://tex.stackexchange.com/a/40555
1 comments

Thanks. I've not seen that particular post.

I just made a table this morning for Calc II notes. The first column says something like $f'(x)$ in the first row and $f'(0)$ on the second. The table body lists values for different functions, one per column. I put in a column rule separator because the leftmost column seems separate from the others.

In any event, I'm suspicious of rules (pun noted).