Vi(m) to Kakoune:
=================

delete a word:
 * vim: dw
 * kak: wd

delete a character:
 * vim: x
 * kak: d or <space>d

copy a line:
 * vim: yy
 * kak: xy

paste a line (linewise):
 * vim: p or P
 * kak: xp or xP

paste a line (not linewise):
 * vim: no supported
 * kak: p or P

global replace:
 * vim: :%s/word/replacement
 * kak: %sword<ret>creplacement

join line with next:
 * vim: J
 * kak: alt-J

delete to line end:
 * vim: d$
 * kak: alt-ld or gldt