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docs: mention that ^[ (Esc) is unbindable, and explain why

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Benno Schulenberg 2020-03-10 15:55:19 +01:00
parent cbbfebbc7a
commit c65fa25ce2
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2
doc/nano.texi
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@ -1186,6 +1186,8 @@ with Shift.)
@end itemize
Rebinding @code{^M} (Enter) or @code{^I} (Tab) is probably not a good idea.
Rebinding @code{^[} (Esc) is not possible, because its keycode
is the starter byte of escape sequences and Meta keystrokes.
On some terminals it's not possible to rebind @code{^H} (unless @code{--raw}
is used) because its keycode is identical to that of the Backspace key.

2
doc/nanorc.5
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@ -509,6 +509,8 @@ Example: F10.
.RE
Rebinding \fB^M\fR (Enter) or \fB^I\fR (Tab) is probably not a good idea.
Rebinding \fB^[\fR (Esc) is not possible, because its keycode
is the starter byte of escape sequences and Meta keystrokes.
On some terminals it's not possible to rebind \fB^H\fR (unless \fB\-\-raw\fR
is used) because its keycode is identical to that of the Backspace key.