2016/12/18  0.20  Harald Harders
	Added switch nodollardollar again (prevent from changing catcode
	to avoid issues with TikZ/PGF)

2012/01/01  0.10  Harald Harders
	Explicitly state date and version in \ProvidesPackage statement
	Update e-mail address
	Update documentation

2001/09/23  0.04  Harald Harders
	Removed code that forbids \[...\]

2001/09/22  0.03  Harald Harders
	Changed definition of \dollarcode, by David Kastrup
	Removed switches dollardollar and nodollardollar

2001/09/21  0.02  Harald Harders
	Added switch nodollardollar

2001/09/21  0.01  Harald Harders
	First version
