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+" Author: w0rp <devw0rp@gmail.com>
+" Description: Main entry point for the plugin: sets up prefs and autocommands
+"   Preferences can be set in vimrc files and so on to configure ale
+
+if exists('g:loaded_ale')
+    finish
+endif
+let g:loaded_ale = 1
+
+" A flag for detecting if the required features are set.
+if has('nvim')
+    let g:ale_has_required_features = has('timers')
+else
+    let g:ale_has_required_features = has('timers') && has('job') && has('channel')
+endif
+
+if !g:ale_has_required_features
+    echoerr 'ALE requires NeoVim >= 0.1.5 or Vim 8 with +timers +job +channel'
+    echoerr 'Please update your editor appropriately.'
+    finish
+endif
+
+" This list configures which linters are enabled for which languages.
+let g:ale_linters = get(g:, 'ale_linters', {})
+
+" This flag can be set to 0 to disable linting when text is changed.
+let g:ale_lint_on_text_changed = get(g:, 'ale_lint_on_text_changed', 1)
+
+" This flag can be set with a number of milliseconds for delaying the
+" execution of a linter when text is changed. The timeout will be set and
+" cleared each time text is changed, so repeated edits won't trigger the
+" jobs for linting until enough time has passed after editing is done.
+let g:ale_lint_delay = get(g:, 'ale_lint_delay', 200)
+
+" This flag can be set to 0 to disable linting when the buffer is entered.
+let g:ale_lint_on_enter = get(g:, 'ale_lint_on_enter', 1)
+
+" This flag can be set to 1 to enable linting when a buffer is written.
+let g:ale_lint_on_save = get(g:, 'ale_lint_on_save', 0)
+
+" This flag can be set to 0 to disable setting the loclist.
+let g:ale_set_loclist = get(g:, 'ale_set_loclist', 1)
+
+" This flag can be set to 0 to disable setting signs.
+" This is enabled by default only if the 'signs' feature exists.
+let g:ale_set_signs = get(g:, 'ale_set_signs', has('signs'))
+
+" This flag can be set to 0 to disable echoing when the cursor moves.
+let g:ale_echo_cursor = get(g:, 'ale_echo_cursor', 1)
+
+" This flag can be set to 0 to disable warnings for trailing whitespace
+let g:ale_warn_about_trailing_whitespace =
+\   get(g:, 'ale_warn_about_trailing_whitespace', 1)
+
+" This flag can be set to 1 to keep sign gutter always open
+let g:ale_sign_column_always = get(g:, 'ale_sign_column_always', 0)
+
+" String format for statusline
+" Its a list where:
+" * The 1st element is for errors
+" * The 2nd element is for warnings
+" * The 3rd element is when there are no errors
+let g:ale_statusline_format = get(g:, 'ale_statusline_format',
+\   ['%d error(s)', '%d warning(s)', 'OK']
+\)
+
+" String format for the echoed message
+" A %s is mandatory
+" It can contain 2 handlers: %linter%, %severity%
+let g:ale_echo_msg_format = get(g:, 'ale_echo_msg_format', '%s')
+
+" Strings used for severity in the echoed message
+let g:ale_echo_msg_error_str = get(g:, 'ale_echo_msg_error_str', 'Error')
+let g:ale_echo_msg_warning_str = get(g:, 'ale_echo_msg_warning_str', 'Warning')
+
+if g:ale_lint_on_text_changed
+    augroup ALERunOnTextChangedGroup
+        autocmd!
+        autocmd TextChanged,TextChangedI * call ale#Queue(g:ale_lint_delay)
+    augroup END
+endif
+
+if g:ale_lint_on_enter
+    augroup ALERunOnEnterGroup
+        autocmd!
+        autocmd BufEnter,BufRead * call ale#Queue(100)
+    augroup END
+endif
+
+if g:ale_lint_on_save
+    augroup ALERunOnSaveGroup
+        autocmd!
+        autocmd BufWrite * call ale#Queue(0)
+    augroup END
+endif
+
+" Clean up buffers automatically when they are unloaded.
+augroup ALEBufferCleanup
+    autocmd!
+    autocmd BufUnload * call ale#cleanup#Buffer('<abuf>')
+augroup END
+
+" Globals which each part of the plugin should use.
+let g:ale_buffer_loclist_map = {}
+let g:ale_buffer_should_reset_map = {}
+let g:ale_buffer_sign_dummy_map = {}
+
+" Backwards compatibility
+function! ALELint(delay)
+    call ale#Queue(a:delay)
+endfunction
+function! ALEGetStatusLine()
+    call ale#statusline#Status()
+endfunction