html tidy problem

Dave,
When I use the codesweeper in HomeSite 4.5 to HTMLTidy my code, it's
changing my comments <!--- ---> to <!--- =-->. A coworker is not having this
problem so I'm unsure if it's a "tidy thing" or a "my computer" thing.
 
thanks,
Michael Ingala 
Web Services 
Mentor Graphics 
Wilsonville, OR