viper-ESC-keyseq-timeout

viper-ESC-keyseq-timeout is a compiled Lisp function in `viper-init.el'.

(viper-ESC-keyseq-timeout)

Key sequence beginning with ESC and separated by no more than this many milliseconds is considered to be generated by a keyboard function key.
Setting this too high may slow down switching from insert to vi state. Setting
this value too low will make it impossible to use function keys in insert mode
on a dumb terminal.