Ctrl+^ - режим выделения
Alt+^ - скопировать
Ctrl+K - вырезать
Ctrl+U - вставить
Esc, затем Shift+4 - «мягкий» перенос строк
Esc, затем Shift+L - «жёсткий» перенос строк
sudo nano /usr/share/nano/yaml.nanorc
# Supports `YAML` files syntax "YAML" "\.ya?ml$" header "^(---|===)" "%YAML" ## Keys color magenta "^\s*[\$A-Za-z0-9_-]+\:" color brightmagenta "^\s*@[\$A-Za-z0-9_-]+\:" ## Values color white ":\s.+$" ## Booleans icolor brightcyan " (y|yes|n|no|true|false|on|off)$" ## Numbers color brightred " [[:digit:]]+(\.[[:digit:]]+)?" ## Arrays color red "\[" "\]" ":\s+[|>]" "^\s*- " ## Reserved color green "(^| )!!(binary|bool|float|int|map|null|omap|seq|set|str) " ## Comments color brightwhite "#.*$" ## Errors color ,red ":\w.+$" color ,red ":'.+$" color ,red ":".+$" color ,red "\s+$" ## Non closed quote color ,red "['\"][^['\"]]*$" ## Closed quotes color yellow "['\"].*['\"]" ## Equal sign color brightgreen ":( |$)"
https://github.com/serialhex/nano-highlight/blob/master/yaml.nanorc