TextEdit

From Wikipedia, the free encyclopedia Jump to: navigation, search TextEdit TextEdit screenshot Developer(s) Apple Inc. Stable release 1.8 (July 25, 2012; 10 months ago (2012-07-25)) Preview release 1.8 (301) (June 11, 2012; 11 months ago (2012-06-11)) Operating system OS X Ported to all GNUstep systems (Up to 1.6) Type Text editor, word processor License New BSD license Website www.apple.com/macosx/

TextEdit is a simple, open source word processor and text editor, first featured in NeXT's NeXTSTEP and OpenStep. It is now distributed with OS X since Apple Inc.'s acquisition of NeXT, and available as a GNUstep application for other Unix-compatible operating systems such as Linux. It is powered by Apple Advanced Typography and has many advanced typography features.

Implementation

TextEdit replaced the text editor of previous Macintosh operating systems, SimpleText. TextEdit reads and writes documents in Rich Text Format (RTF), Rich Text Format Directory, plain text, and HTML formats, and can open (but not save) old SimpleText files. It also has access to the operating system's built-in spell-checking service. The version included in Mac OS X v10.3 added the ability to read and write documents in Word format, and the version in Mac OS X v10.4 the ability to read and write Word XML documents. The version included in Mac OS X v10.5 includes read and write support for Office Open XML and OpenDocument Text. The version included in Mac OS X v10.6 added automatic spelling correction, support for data detectors, and text transformations. The version included in Mac OS X v10.7 includes versioning of files, and Autosave similar to iOS.

Formatted text, justification, and even the inclusion of graphics and other multimedia elements are supported by TextEdit, as well as the ability to read and write to different character encodings, including Unicode (UTF-8 and UTF-16). TextEdit automatically adjusts letter spacing in addition to word spacing while justifying text. This letter spacing feature is usually only found in higher-end desktop publishing programs. The unique letter spacing however can't be adjusted or controlled as it can in a desktop publishing program. TextEdit does not support multiple columns of text.

The high-resolution TextEdit 1.5 icon found in Mac OS X versions starting with 10.5 (Leopard) features an extract from Apple's "Think Different" ad campaign.

Source code

Apple distributes TextEdit's source code as part of the documentation of its integrated development environment (IDE) Xcode. On the Internet, the source code to a version of TextEdit enhanced to demonstrate the calling of Quartz Composer compositions from the Cocoa API can be found at Apple's developer website. The following quote is from the characteristic part of the New BSD-compliant license text included in the source code:

In consideration of your agreement to abide by the following terms, and subject to these terms, Apple grants you a personal, non-exclusive license, under Apple's copyrights in this original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the Apple Software, with or without modifications, in source and/or binary forms; provided that if you redistribute the Apple Software in its entirety and without modifications, you must retain this notice and the following text and disclaimers in all such redistributions of the Apple Software. Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to endorse or promote products derived from the Apple Software without specific prior written permission from Apple. Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by Apple herein, including but not limited to any patent rights that may be infringed by your derivative works or by other works in which the Apple Software may be incorporated.

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