In every way possible, Gypsy mimicked Ginn’s customary routines. The system retained multiple versions and drafts of every file and displayed them as a list. An editor could use the mouse to scroll down the list and click on the desired version to open it. (This was the first time the mouse was used as it is today, to execute point-and-click operations; Engelbart’s system and Bravo both used it simply to position the cursor within a block of text.)
