Part of nvim-cursorline.
Only highlight the word under the cursor.
" disable highlighting for some filetypes
let g:cursorword_disable_filetypes = []
" disable highlighting at startup.
" run :CursorWordEnable or :CursorWordToggle to activate highlighting
let g:cursorword_disable_at_startup = 1
" min width of word
let g:cursorword_min_width = 3
" max width of word
let g:cursorword_max_width = 50
:CursorWordDisable
:CursorWordEnable
:CursorWordToggle
by default
hi default CursorWord cterm=underline gui=underline