The package provides a command (\thepdfnumber) that converts its argument to a “canonical” form. Conversion strips all leading and trailing zeros (but leaves a leading zero if 0<arg<1); it also strips + signs, and removes pairs of - signs.

The package is part of the oberdiek bundle.

The author is Heiko Oberdiek. The package is Copyright © 2011 Heiko Oberdiek.