3 ms·
\DeclarePairedDelimiter\abs{\lvert}{\rvert} Isn't this better than newcommand? This makes both \abs{x} and \abs*{x} valid.
by gnull 4y ago
\DeclarePairedDelimiter\abs{\lvert}{\rvert}
Isn't this better than newcommand? This makes both \abs{x} and \abs*{x} valid.