![]() Using GNU EmacsĮditing and compiling C++ code from GNU Emacs Commands Newer versions of the documentation use the GNU Free Documentation License with "invariant sections" that require the inclusion of the same documents and that the manuals proclaim themselves as GNU Manuals. The XEmacs manuals, which were inherited from older GNU Emacs manuals when the fork occurred, have the same license. In the GNU Emacs user's manual, for example, this included instructions for obtaining GNU Emacs and Richard Stallman's essay The GNU Manifesto. ![]() Older versions of the GNU Emacs documentation appeared under an ad-hoc license that required the inclusion of certain text in any modified copy. This policy is in place so that the FSF can defend the software in court if its copyleft license is violated. Bug fixes and minor code contributions of fewer than 10 lines are exempt. The terms of the GNU General Public License (GPL) state that the Emacs source code, including both the C and Emacs Lisp components, are freely available for examination, modification, and redistribution.įor GNU Emacs, like many other GNU packages, it remains policy to accept significant code contributions only if the copyright holder executes a suitable disclaimer or assignment of their copyright interest to the Free Software Foundation. On SeptemMonnier announced that he would be stepping down as maintainer effective with the feature freeze of Emacs 25. Stefan Monnier and Chong Yidong have overseen maintenance since 2008. ![]() Richard Stallman has remained the principal maintainer of GNU Emacs, but he has stepped back from the role at times. Development took place in a single CVS trunk until 2008, and today uses the Git DVCS. The project has since adopted a public development mailing list and anonymous CVS access. Īlthough users commonly submitted patches and Elisp code to the net.emacs newsgroup, GNU Emacs development wasn't relatively open until 1999, and was used as an example of the "Cathedral" development style in The Cathedral and the Bazaar. in which he gained superuser access to Unix computers. Markus Hess exploited a security flaw in GNU Emacs' email subsystem in his 1986 cracking spree. It offered more features than Gosling Emacs, in particular a full-featured Lisp as its extension language, and soon replaced Gosling Emacs as the de facto Unix Emacs editor. In the current numbering scheme, a number with two components signifies a release version, with development versions having three components. A new third version number was added to represent changes made by user sites. ![]() The "1" was dropped after version 1.12 as it was thought that the major number would never change, and thus the major version skipped from "1" to "13". Early versions of GNU Emacs were numbered as "1.x.x," with the initial digit denoting the version of the C core. The first widely distributed version of GNU Emacs was version 15.34, released later in 1985. Version 13, the first public release, was made on March 20, 1985. GNU Emacs is written in C and provides Emacs Lisp, also implemented in C, as an extension language. ![]() This became the first program released by the nascent GNU Project. GNU Emacs was initially based on Gosling Emacs, but Stallman's replacement of its Mocklisp interpreter with a true Lisp interpreter required that nearly all of its code be rewritten. In 1976, Stallman wrote the first Emacs (“Editor MACroS”), and later in 1984 Richard Stallman began work on GNU Emacs, to produce a free software alternative to the proprietary Gosling Emacs. Richard Stallman, founder of the GNU Project and author of GNU Emacs The tag line for GNU Emacs is "the extensible self-documenting text editor". Throughout its history, GNU Emacs has been a central component of the GNU project, and a flagship of the free software movement. GNU Emacs has been called "the most powerful text editor available today." With proper support from the underlying system, GNU Emacs is able to display files in multiple character sets, and has been able to simultaneously display most human languages since at least 1999. In common with other varieties of Emacs, GNU Emacs is extensible using a Turing complete programming language. It was created by GNU Project founder Richard Stallman. GNU Emacs is the most popular and most ported Emacs text editor. Cross-platform to GNU, Linux, Windows, OS X, BSDs and more ![]()
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