PatR df8eac79b5 curses erase char and kill char ...

Support user's terminal settings for erase char and for kill char.
Erase char is typically <delete> or <backspace>, both of which are
already explicitly handled so probably no effect there.  Kill char
(generally ^U these days) will be honored unless it is a printable
character (don't know whether there are any troglodytes out there
who still use '@' for that...).  The current handling for ESC works
the same if there is any input to kill, but yields 'cancelled' when
there isn't.

That's for message window getline(), which operates char-by-char.
The popup getline() uses a curses routine to get an entire string
and already honors kill char but treats ESC as input of ^[.

2019-06-27 17:18:07 -07:00

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