DEC Text Processing Utility Data Types

3.14 Window Data Type

3.14.8 Terminals That Do Not Support Windows

DECTPU supports windows only for ANSI character-cell terminals. Noncharacter-cell terminals do not support windows and are considered ‘‘unsupported devices.’’

If you are using an unsupported device, you must use the /NODISPLAY qualifier when you invoke DECTPU. /NODISPLAY informs DECTPU that you do not expect the device from which you are issuing DECTPU commands to support screen-oriented editing. If one of the previous conditions exists and you do not specify the /NODISPLAY qualifier, DECTPU exits with an error condition.

You are using an unsupported device if logical name SYS$INPUT points to an unsupported device, such as a character-cell terminal.

Appendix B contains more information about DECTPU terminal support. Chapter 2 contains more information on the /NODISPLAY qualifier.

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Compaq AA-PWCBD-TE manual 26DEC Text Processing Utility Data Types

AA-PWCBD-TE specifications

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