TeachText
Operating system | Macintosh System 7.1 and previous |
---|---|
Type | Text editor |
License | Proprietary |
The TeachText application is a simple
TeachText was derived from the Edit application,
Since the first Macintosh models came with a full-featured word processor, MacWrite, software publishers commonly shipped documentation in its native format. When Apple stopped bundling MacWrite, ownership was transferred to Claris, so developers could not distribute it on their programs' installation floppy disks. With no text program present on the disks, owners without a second floppy disk drive or hard disk could be left with no way to view documentation or installation instructions. Apple supplied TeachText as a small, freely-distributable program to address this need.
TeachText could only operate on a single document at a time and supported only the default text font (12-point Geneva at the time) in the
TeachText was automatically associated with all TEXT
The underlying text engine was the TextEdit Manager built into Mac OS. TextEdit had originally been written to support very small runs of editable text, like those found in Save as... dialogs and similar roles. As such, it had been written with a short integer as a length counter, and could thus only handle up to 32 kB of text in a file. This conflicted with the "default editor" role when it was asked to open files longer than 32k, resulting in an error.[7]
TeachText was later replaced by
References
- ^ "Archived - System 2.0 (4.1/5.5) 800K Disk Contents". Apple Inc. September 1993. Retrieved 16 February 2013.
- ^ "About TeachText Mac OS 4.2". Mac History. Retrieved 16 February 2013.
- ^ Leonard, Peter (7 March 2010). "TeachText About Box + hidden credits". Apple Computer Inc. Retrieved 16 February 2013.
- ^ a b Dernbach, Christoph (24 May 2008). "Mac OS 7.0". Mac History. Retrieved 16 February 2013.
- ^ Stearns, Bryan (1 August 1990). "Technical Note PT36: The Compleat (sic.) Guide to TeachText". (Macintosh Technical Notes, No.274 (April 1990)). Archived from the original on July 5, 2020. Retrieved 17 February 2013. Alt URL
- ^ Petreley, Nicholas; Durlester, Nancy; Wonnacott, Laura; Glass, Brett (15 November 1993). Sommer, Dan (ed.). "The interoperability headache: linking disparate clients and servers". InfoWorld. 15 (46). Retrieved 16 February 2013.
- ^ "Archived - SimpleText: "Document Too Large To Be Opened" Alert". Apple Inc. Retrieved 16 February 2013.