nvim/pack/acp/start/vim-airline/autoload/airline/extensions/capslock.vim

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" MIT License. Copyright (c) 2014 Mathias Andersson.
" vim: et ts=2 sts=2 sw=2
scriptencoding utf-8
if !exists('*CapsLockStatusline')
finish
endif
function! airline#extensions#capslock#status()
return tolower(CapsLockStatusline()) == '[caps]' ? 'CAPS' : ''
endfunction
function! airline#extensions#capslock#init(ext)
call airline#parts#define_function('capslock', 'airline#extensions#capslock#status')
endfunction