var let set while endwhile if endif else is isnot for endfor in function endfunction return abort continue break call lua autocmd command execute normal packadd silent expand() exists() has() executable() globpath() strlen() len() strchars() split() join() tolower() toupper() empty() filter() count() get() max() min() map() add() extend() remove() sort() str2float() str2nr() float2nr() sqrt() floor() ceil() abs() sin() cos() tan() sinh() cosh() tanh() asin() acos() atan() echo echon echomsg echoerr int fl map nmap vmap imap xmap nnoremap vnoremap inoremap xnoremap syn hi keys() confirm()