> On Aug 18, 2018, at 10:01 PM, Art Werschulz <agw at comcast.net> wrote: > > The centercolon and mathtools LaTeX packages are used to fix symmetry issues with := . In Pascal and Algol := is the assignment operator. The phrase x := 2 means “set x equal to 2". I personally would avoid using := for any other purpose in LaTeX. — Vic