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Mention shifted alphabetical control GUI sequences

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* doc/emacs/custom.texi (Modifier Keys): Mention that you can bind
shifted alphabetical control sequences in GUI frames (bug#23247).
This commit is contained in:
Lars Ingebrigtsen 2019-10-13 20:06:19 +02:00
parent 07cbc3bb1c
commit 556ae6674c
1 changed files with 13 additions and 6 deletions
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19
doc/emacs/custom.texi
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@ -1903,14 +1903,21 @@ same thing as @kbd{M-a}. This concerns only alphabetical characters,
and does not apply to shifted versions of other keys; for
instance, @kbd{C-@@} is not the same as @kbd{C-2}.
A @key{Control}-modified alphabetical character is always considered
case-insensitive: Emacs always treats @kbd{C-A} as @kbd{C-a},
@kbd{C-B} as @kbd{C-b}, and so forth. The reason for this is
historical.
A @key{Control}-modified alphabetical character is generally
considered case-insensitive: Emacs always treats @kbd{C-A} as
@kbd{C-a}, @kbd{C-B} as @kbd{C-b}, and so forth. The reason for this
is historical: In non-graphical environments there is no distinction
between those keystrokes. However, you can bind shifted @key{Control}
alphabetical keystrokes in GUI frames:
@lisp
(global-set-key (kbd "C-S-n") #'previous-line)
@end lisp
For all other modifiers, you can make the modified alphabetical
characters case-sensitive when you customize Emacs. For instance, you
could make @kbd{M-a} and @kbd{M-A} run different commands.
characters case-sensitive (even on non-graphical frames) when you
customize Emacs. For instance, you could make @kbd{M-a} and @kbd{M-A}
run different commands.
Although only the @key{Control} and @key{Meta} modifier keys are
commonly used, Emacs supports three other modifier keys. These are