readme/doc:foot.1: document the (new) keypad behavior

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Daniel Eklöf 2020-11-11 18:37:28 +01:00
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@ -261,6 +261,23 @@ described above *cannot* be changed.
Finally, pressing *alt* will prefix the transmitted byte with ESC.
# KEYPAD
By default, *Num Lock* overrides the run-time configuration keypad
mode; when active, the keypad is always considered to be in
_numerical_ mode. This corresponds to XTerm's *numLock* option set to
*true*.
In this mode, the keypad keys always sends either numbers (Num Lock is
active) or cursor movement keys (up, down, left, right, page up, page
down etc).
This can be disabled programmatically with *\E[?1035l* (and enabled
again with *\E[?1035h*).
When disabled, the keypad sends custom escape sequences instead of
numbers, when in _application_ mode.
# CONFIGURATION
See *foot.ini*(5)