While most dynamic link libraries end with the.The learning curve is a little bit more difficult than InDesign, however. Quark has been the defacto standard in the publishing industry, and most printers will tell you that it’s more reliable. Of course, this is all moot if you use a Windows machine, but the printing world is dominated by Apple. If you really wanted to use it, you had to reboot your machine under OS 9 and use it. Quark dragged their feet and took awhile getting to market with their OS X product… Which was bad news because up until the release of Xpress 6, the program only ran in classic mode on OS X, and it ran poorly, at that.