Original sentence: But the legal status of software copyright, especially for object code, was not clear until the 1983 appeals court ruling in Apple Computer, Inc.Free and open (software must have source code provided).In 1983, binary software became copyrightable in the United States as well by the Apple vs.Occasionally, software is made available with fewer restrictions on licensing or source-code access; such software is known as "free" or "open-source.Proprietary software, also known as non-free software, is computer software for which the software's publisher or another person reserves some rights from licensees to use, modify, share modifications, or share the software.Starting in February 1983 IBM adopted an "object-code-only" model for a growing list of their software and stopped shipping much of the source code, even to licensees
Edited sentence: But the legal status of software copyright, especially for binary software- which is software a computer program automatically writes based on source code- was not clear until the 1983 appeals court ruling in Apple Computer, Inc.Freedom-respecting and open (software provide source code and allow users to modify and share it).In 1983, binary software, which is written by a comput became copyrightable in the United States as well by the Apple vs.Occasionally, software is made available with fewer restrictions on licensing or source-code access; such software is known as source-available software.Proprietary software, also known as non-free software, is computer software for which the software's publisher or another person reserves some rights from licensees to use, study its internal workings, modify, share modifications, or share the software.Starting in February 1983 IBM adopted an "object-code-only" (binary software only) model for a growing list of their software and stopped shipping much of the source code, even to licensees.When rights to use, study, modify, and share improvements are given, the software is known as "freedom-respecting" or "open-source