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" Close the ALEInfo preview window with the q key.
noremap <buffer> q :q!<CR>
" Explicitly use the default synmaxcol for ale-info.
setlocal synmaxcol=3000
function! ALEInfoOpenHelp() abort
let l:variable = matchstr(getline('.'), '\v[gb]:ale_[a-z0-9_]+')
if !empty(l:variable)
execute('help ' . l:variable)
endif
endfunction
" Press space to open :help for an ALE Variable
nnoremap <buffer> <silent> <space> :call ALEInfoOpenHelp()<CR>
let b:undo_ftplugin = get(b:, 'undo_ftplugin', 'execute')
let b:undo_ftplugin .= ' | setlocal synmaxcol<'
let b:undo_ftplugin .= ' | execute "silent! unmap <buffer> q"'
let b:undo_ftplugin .= ' | execute "silent! nunmap <buffer> <space>"'
let b:undo_ftplugin .= ' | if exists(''*ALEInfoOpenHelp'') | delfunction ALEInfoOpenHelp | endif'
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