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Prefer "graphical displays" to "X terminals" in documentation

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* doc/lispref/objects.texi (Ctl-Char Syntax): Fix incorrect remark;
some text terminals can generate ASCII control characters.
(Other Char Bits):
* lisp/bindings.el:
* lisp/gnus/gnus-undo.el (gnus-undo-mode-map): Say "graphical display"
and "GUI display" instead of "X terminal"; the latter term is
archaic.  (Bug#51217)
This commit is contained in:
Stefan Kangas 2021-10-15 20:22:11 +02:00
parent 4ad0fc0dd0
commit b5a0eda978
3 changed files with 7 additions and 7 deletions

10
doc/lispref/objects.texi
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@ -516,9 +516,9 @@ codes for these non-@acronym{ASCII} control characters include the
2**26 2**26
@end ifnottex @end ifnottex
bit as well as the code for the corresponding non-control character. bit as well as the code for the corresponding non-control character.
Ordinary text terminals have no way of generating non-@acronym{ASCII} Not all text terminals can generate non-@acronym{ASCII} control
control characters, but you can generate them straightforwardly using characters, but it is straightforward to generate them using X and
X and other window systems. other window systems.
For historical reasons, Emacs treats the @key{DEL} character as For historical reasons, Emacs treats the @key{DEL} character as
the control equivalent of @kbd{?}: the control equivalent of @kbd{?}:
@ -588,8 +588,8 @@ character is upper case or lower case. Emacs uses the
2**25 2**25
@end ifnottex @end ifnottex
bit to indicate that the shift key was used in typing a control bit to indicate that the shift key was used in typing a control
character. This distinction is possible only when you use X terminals character. This distinction is possible only on a graphical display
or other special terminals; ordinary text terminals do not report the such as a GUI display on X; text terminals do not report the
distinction. The Lisp syntax for the shift bit is @samp{\S-}; thus, distinction. The Lisp syntax for the shift bit is @samp{\S-}; thus,
@samp{?\C-\S-o} or @samp{?\C-\S-O} represents the shifted-control-o @samp{?\C-\S-o} or @samp{?\C-\S-O} represents the shifted-control-o
character. character.

2
lisp/bindings.el
View file

@ -981,7 +981,7 @@ if `inhibit-field-text-motion' is non-nil."
(define-key ctl-x-map "\M-:" 'repeat-complex-command) (define-key ctl-x-map "\M-:" 'repeat-complex-command)
(define-key ctl-x-map "u" 'undo) (define-key ctl-x-map "u" 'undo)
(put 'undo :advertised-binding [?\C-x ?u]) (put 'undo :advertised-binding [?\C-x ?u])
;; Many people are used to typing C-/ on X terminals and getting C-_. ;; Many people are used to typing C-/ on GUI frames and getting C-_.
(define-key global-map [?\C-/] 'undo) (define-key global-map [?\C-/] 'undo)
(define-key global-map "\C-_" 'undo) (define-key global-map "\C-_" 'undo)
;; Richard said that we should not use C-x <uppercase letter> and I have ;; Richard said that we should not use C-x <uppercase letter> and I have

2
lisp/gnus/gnus-undo.el
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@ -81,7 +81,7 @@
"\M-\C-_" gnus-undo "\M-\C-_" gnus-undo
"\C-_" gnus-undo "\C-_" gnus-undo
"\C-xu" gnus-undo "\C-xu" gnus-undo
;; many people are used to type `C-/' on X terminals and get `C-_'. ;; Many people are used to type `C-/' on GUI frames and get `C-_'.
[(control /)] gnus-undo) [(control /)] gnus-undo)
map)) map))