The 1.78 update introduced several technical enhancements and expanded language support:
Many legacy DOS programs were built to communicate directly with dot-matrix printers via text mode. Modern inkjet and laser printers, often called "win-printers," only operate in graphics mode and cannot understand standard DOS text commands. dosprn178fullversion109 upd
DOSPRN 1.78 emerged as a popular "print redirector." It acted like a digital translator: often called "win-printers