IBM tried to kill Tab navigation. Microsoft told it Bill Gates' mother wasn't interested

Long before Copilot or even the Windows key, Microsoft and IBM were squabbling over Tab - a tale that says more about Big Blue's bureaucracy than hopping between fields. Veteran Microsoft engineer Raymond Chen shared another war story this week, from the time IBM and Microsoft were at loggerheads over the Tab key during the OS/2 collaboration. This wasn't the tabs-vs-spaces debate that has long rumbled through the IT world (another Microsoft veteran, Larry Osterman, came down firmly on the side