# sed-mode

> major mode to edit sed scripts in Emacs

**Wikidata**: [Q121079826](https://www.wikidata.org/wiki/Q121079826)  
**Source**: https://4ort.xyz/entity/sed-mode

## Summary
sed-mode is a major mode for editing sed scripts in GNU Emacs, designed to help users write and edit sed scripts efficiently within the Emacs environment.

## Key Facts
- Created by Stefan Monnier, a computer scientist at the University of Montréal, who also maintains the package since 2016.  
- Part of the GNU Project, which began on 1983-09-27.  
- A major mode for editing GNU sed scripts in GNU Emacs, with aliases including "emacs-sed-mode".  
- Available as a GNU ELPA package since 2016-02-27, with stable versions like 1.0 (2016-02-27) and 1.1 (2023-07-21), where 1.1 is the preferred stable version.  
- Written in Emacs Lisp, the dialect used in GNU Emacs.  
- Licensed under the free software license Q27016754 and distributed via GNU ELPA.  
- Runs on BSD systems (preferred) and is cross-platform via GNU Emacs.  
- Maintained by Stefan Monnier, with the source code hosted on GNU Savannah and Gitweb repositories.

### FAQs
### Q: What is sed-mode?
A: A major mode for editing sed scripts in GNU Emacs, designed to help users write and edit sed scripts efficiently within the Emacs environment.

### Q: Who developed sed-mode?
A: Stefan Monnier, a computer scientist at the University of Montréal, who created and maintains the package.

### Q: Where can I install sed-mode?
A: It is distributed via GNU ELPA, with the official URL being https://elpa.gnu.org/packages/sed-mode.html.

### Q: What programming language is sed-mode written in?
A: Emacs Lisp, the dialect used in GNU Emacs.

### Q: What operating systems does sed-mode support?
A: It runs on BSD systems (preferred) and is cross-platform via GNU Emacs.

## Why It Matters
sed-mode addresses the challenge of editing sed scripts within the GNU Emacs text editor by providing a specialized major mode. This mode enhances productivity by offering features like syntax highlighting, auto-completion, and context-aware editing tailored to sed syntax, reducing errors and streamlining the process of writing and modifying sed scripts. As part of the GNU Project, sed-mode contributes to the free software ecosystem, ensuring accessibility and community-driven development for users of GNU Emacs.

## Notable For
- First major mode specifically designed for editing GNU sed scripts in GNU Emacs.  
- Maintained by Stefan Monnier since its initial release in 2016, with continuous updates to version 1.1 (2023-07-21) as the preferred stable release.  
- Written entirely in Emacs Lisp, leveraging the language's capabilities for Emacs extensions and integration with GNU Emacs.  
- Distributed via GNU ELPA, a trusted repository for free software packages in the GNU ecosystem.  
- Part of the GNU Project, which emphasizes free software principles and community collaboration.

## Body
### Overview
sed-mode is a major mode for editing sed scripts in GNU Emacs, a popular text editor used by developers and system administrators. Its primary purpose is to provide a specialized environment for writing, editing, and debugging sed scripts, which are used for text processing tasks. The mode integrates seamlessly with GNU Emacs, offering features like syntax highlighting, auto-completion, and keybindings tailored to sed syntax.

### Development and Maintenance
sed-mode was created by Stefan Monnier, a computer scientist at the University of Montréal. Monnier, who specializes in the theory of computer languages, has maintained the package since its initial release in 2016. The development timeline includes stable versions such as 1.0 (released on 2016-02-27) and 1.1 (released on 2023-07-21), with 1.1 being the preferred stable version. The package is maintained under the free software license Q27016754, ensuring compliance with free software principles.

### Technical Details
The technical foundation of sed-mode includes:
- **Programming Language**: Written entirely in Emacs Lisp, the dialect used in GNU Emacs. This allows tight integration with Emacs's core functionality and extensions.
- **License**: Distributed under the free software license Q27016754, which permits users to run, study, modify, and distribute the software.
- **Operating Systems**: Supports BSD systems (preferred) and is cross-platform via GNU Emacs, ensuring compatibility across different environments.
- **Distribution**: Available as a GNU ELPA package since 2016-02-27, with the official website at https://elpa.gnu.org/packages/sed-mode.html.

### Distribution and Availability
sed-mode is distributed via GNU ELPA, the official package archive for GNU Emacs. The package is maintained by Stefan Monnier and includes source code repositories on GNU Savannah and Gitweb. Users can install the package using GNU ELPA's package manager, ensuring easy access for GNU Emacs users.

### Impact on the Field
sed-mode contributes to the GNU Project's mission of providing free software tools for text editing and system administration. By offering a specialized mode for sed scripts, it enhances the productivity of users who rely on sed for text processing tasks. The mode's integration with GNU Emacs and adherence to free software principles make it a valuable addition to the Emacs ecosystem, supporting both individual users and the broader free software community.

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  "@type": "Thing",
  "name": "sed-mode",
  "description": "major mode to edit sed scripts in Emacs",
  "url": "https://elpa.gnu.org/packages/sed-mode.html",
  "sameAs": ["https://www.wikidata.org/wiki/Q186055"],
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## References

1. [Source](https://elpa.gnu.org/packages/sed-mode.html)
2. [Source](https://lists.gnu.org/archive/html/emacs-elpa-diffs/2016-02/msg00224.html)
3. [master 6a92042: * sed-mode/sed-mode.el: Bump up version for first release. 2016](https://lists.gnu.org/archive/html/emacs-elpa-diffs/2016-02/msg00224.html)
4. [sed-mode version 1.0. 2016](https://lists.gnu.org/archive/html/gnu-emacs-sources/2016-02/msg00032.html)
5. [Sed-Mode version 1.1. 2023](https://lists.gnu.org/archive/html/gnu-emacs-sources/2023-07/msg00041.html)