New posts in Rules

Double line in header

Booktabs table, multicolumn header underline

How to add vertical space after \hline without breaking vertical lines in a table

Very slight discontinuities in table borders

How do I make a long underscore in Plain TeX?

\midrule splits vertical lines in table

How to create vertical and horizontal dotted lines in a matrix?

How to draw two \hline and two vertical line?

How to shorten \hline in a matrix

color a column red in a table