diff --git a/autoload/airline/highlighter.vim b/autoload/airline/highlighter.vim
index 9afc5bd7..3d225226 100644
--- a/autoload/airline/highlighter.vim
+++ b/autoload/airline/highlighter.vim
@@ -13,298 +13,305 @@ let s:separators = {}
 let s:accents = {}
 let s:hl_groups = {}
 
-function! s:gui2cui(rgb, fallback) abort " {{{2
-  if a:rgb == ''
-    return a:fallback
-  elseif match(a:rgb, '^\%(NONE\|[fb]g\)$') > -1
-    return a:rgb
-  endif
-  let rgb = map(split(a:rgb[1:], '..\zs'), '0 + ("0x".v:val)')
-  return airline#msdos#round_msdos_colors(rgb)
-endfunction
+if !exists(":def") || (exists(":def") && get(g:, "airline_experimental", 0)==0)
+	" Legacy VimScript implementation {{{1
+	function! s:gui2cui(rgb, fallback) abort " {{{2
+		if a:rgb == ''
+			return a:fallback
+		elseif match(a:rgb, '^\%(NONE\|[fb]g\)$') > -1
+			return a:rgb
+		endif
+		let rgb = map(split(a:rgb[1:], '..\zs'), '0 + ("0x".v:val)')
+		return airline#msdos#round_msdos_colors(rgb)
+	endfunction
 
-function! s:group_not_done(list, name) abort " {{{2
-  if index(a:list, a:name) == -1
-    call add(a:list, a:name)
-    return 1
-  else
-    if &vbs
-      echomsg printf("airline: group: %s already done, skipping", a:name)
-    endif
-    return 0
-  endif
-endfu
-function! s:get_syn(group, what, mode) abort "{{{2
-  let color = ''
-  if hlexists(a:group)
-    let color = synIDattr(synIDtrans(hlID(a:group)), a:what, a:mode)
-  endif
-  if empty(color) || color == -1
-    " should always exist
-    let color = synIDattr(synIDtrans(hlID('Normal')), a:what, a:mode)
-    " however, just in case
-    if empty(color) || color == -1
-      let color = 'NONE'
-    endif
-  endif
-  return color
-endfunction
-function! s:get_array(guifg, guibg, ctermfg, ctermbg, opts) abort " {{{2
-  return [ a:guifg, a:guibg, a:ctermfg, a:ctermbg, empty(a:opts) ? '' : join(a:opts, ',') ]
-endfunction
+	function! s:group_not_done(list, name) abort " {{{2
+		if index(a:list, a:name) == -1
+			call add(a:list, a:name)
+			return 1
+		else
+			if &vbs
+				echomsg printf("airline: group: %s already done, skipping", a:name)
+			endif
+			return 0
+		endif
+	endfu
+	function! s:get_syn(group, what, mode) abort "{{{2
+		let color = ''
+		if hlexists(a:group)
+			let color = synIDattr(synIDtrans(hlID(a:group)), a:what, a:mode)
+		endif
+		if empty(color) || color == -1
+			" should always exist
+			let color = synIDattr(synIDtrans(hlID('Normal')), a:what, a:mode)
+			" however, just in case
+			if empty(color) || color == -1
+				let color = 'NONE'
+			endif
+		endif
+		return color
+	endfunction
+	function! s:get_array(guifg, guibg, ctermfg, ctermbg, opts) abort " {{{2
+		return [ a:guifg, a:guibg, a:ctermfg, a:ctermbg, empty(a:opts) ? '' : join(a:opts, ',') ]
+	endfunction
 
-function! airline#highlighter#reset_hlcache() abort " {{{2
-  let s:hl_groups = {}
-endfunction
-function! airline#highlighter#get_highlight(group, ...) abort " {{{2
-  " only check for the cterm reverse attribute
-  " TODO: do we need to check all modes (gui, term, as well)?
-  let reverse = synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'cterm')
-  if get(g:, 'airline_highlighting_cache', 0) && has_key(s:hl_groups, a:group)
-    let res = s:hl_groups[a:group]
-    return reverse ? [ res[1], res[0], res[3], res[2], res[4] ] : res
-  else
-    let ctermfg = s:get_syn(a:group, 'fg', 'cterm')
-    let ctermbg = s:get_syn(a:group, 'bg', 'cterm')
-    let guifg = s:get_syn(a:group, 'fg', 'gui')
-    let guibg = s:get_syn(a:group, 'bg', 'gui')
-    let bold = synIDattr(synIDtrans(hlID(a:group)), 'bold')
-    if reverse
-      let res = s:get_array(guibg, guifg, ctermbg, ctermfg, bold ? ['bold'] : a:000)
-    else
-      let res = s:get_array(guifg, guibg, ctermfg, ctermbg, bold ? ['bold'] : a:000)
-    endif
-  endif
-  let s:hl_groups[a:group] = res
-  return res
-endfunction
-function! airline#highlighter#get_highlight2(fg, bg, ...) abort " {{{2
-  let guifg = s:get_syn(a:fg[0], a:fg[1], 'gui')
-  let guibg = s:get_syn(a:bg[0], a:bg[1], 'gui')
-  let ctermfg = s:get_syn(a:fg[0], a:fg[1], 'cterm')
-  let ctermbg = s:get_syn(a:bg[0], a:bg[1], 'cterm')
-  return s:get_array(guifg, guibg, ctermfg, ctermbg, a:000)
-endfunction
-function! s:hl_group_exists(group) abort " {{{2
-  if !hlexists(a:group)
-    return 0
-  elseif empty(synIDattr(hlID(a:group), 'fg'))
-    return 0
-  endif
-  return 1
-endfunction
-function! airline#highlighter#exec(group, colors) abort " {{{2
-  if pumvisible()
-    return
-  endif
-  let colors = a:colors
-  if s:is_win32term
-    let colors[2] = s:gui2cui(get(colors, 0, ''), get(colors, 2, ''))
-    let colors[3] = s:gui2cui(get(colors, 1, ''), get(colors, 3, ''))
-  endif
-  let old_hi = airline#highlighter#get_highlight(a:group)
-  if len(colors) == 4
-    call add(colors, '')
-  endif
-  let new_hi = [colors[0], colors[1], printf('%s', colors[2]), printf('%s', colors[3]), colors[4]]
-  let colors = s:CheckDefined(colors)
-  if old_hi != new_hi || !s:hl_group_exists(a:group)
-    let cmd = printf('hi %s%s', a:group, s:GetHiCmd(colors))
-    try
-      exe cmd
-    catch
-      echoerr "Error when running command: ". cmd
-    endtry
-    if has_key(s:hl_groups, a:group)
-      let s:hl_groups[a:group] = colors
-    endif
-  endif
-endfunction
-function! s:CheckDefined(colors) abort " {{{2
-  " Checks, whether the definition of the colors is valid and is not empty or NONE
-  " e.g. if the colors would expand to this:
-  " hi airline_c ctermfg=NONE ctermbg=NONE
-  " that means to clear that highlighting group, therefore, fallback to Normal
-  " highlighting group for the cterm values
+	function! airline#highlighter#reset_hlcache() abort " {{{2
+		let s:hl_groups = {}
+	endfunction
+	function! airline#highlighter#get_highlight(group, ...) abort " {{{2
+		" only check for the cterm reverse attribute
+		" TODO: do we need to check all modes (gui, term, as well)?
+		let reverse = synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'cterm')
+		if get(g:, 'airline_highlighting_cache', 0) && has_key(s:hl_groups, a:group)
+			let res = s:hl_groups[a:group]
+			return reverse ? [ res[1], res[0], res[3], res[2], res[4] ] : res
+		else
+			let ctermfg = s:get_syn(a:group, 'fg', 'cterm')
+			let ctermbg = s:get_syn(a:group, 'bg', 'cterm')
+			let guifg = s:get_syn(a:group, 'fg', 'gui')
+			let guibg = s:get_syn(a:group, 'bg', 'gui')
+			let bold = synIDattr(synIDtrans(hlID(a:group)), 'bold')
+			if reverse
+				let res = s:get_array(guibg, guifg, ctermbg, ctermfg, bold ? ['bold'] : a:000)
+			else
+				let res = s:get_array(guifg, guibg, ctermfg, ctermbg, bold ? ['bold'] : a:000)
+			endif
+		endif
+		let s:hl_groups[a:group] = res
+		return res
+	endfunction
+	function! airline#highlighter#get_highlight2(fg, bg, ...) abort " {{{2
+		let guifg = s:get_syn(a:fg[0], a:fg[1], 'gui')
+		let guibg = s:get_syn(a:bg[0], a:bg[1], 'gui')
+		let ctermfg = s:get_syn(a:fg[0], a:fg[1], 'cterm')
+		let ctermbg = s:get_syn(a:bg[0], a:bg[1], 'cterm')
+		return s:get_array(guifg, guibg, ctermfg, ctermbg, a:000)
+	endfunction
+	function! s:hl_group_exists(group) abort " {{{2
+		if !hlexists(a:group)
+			return 0
+		elseif empty(synIDattr(hlID(a:group), 'fg'))
+			return 0
+		endif
+		return 1
+	endfunction
+	function! airline#highlighter#exec(group, colors) abort " {{{2
+		if pumvisible()
+			return
+		endif
+		let colors = a:colors
+		if s:is_win32term
+			let colors[2] = s:gui2cui(get(colors, 0, ''), get(colors, 2, ''))
+			let colors[3] = s:gui2cui(get(colors, 1, ''), get(colors, 3, ''))
+		endif
+		let old_hi = airline#highlighter#get_highlight(a:group)
+		if len(colors) == 4
+			call add(colors, '')
+		endif
+		let new_hi = [colors[0], colors[1], printf('%s', colors[2]), printf('%s', colors[3]), colors[4]]
+		let colors = s:CheckDefined(colors)
+		if old_hi != new_hi || !s:hl_group_exists(a:group)
+			let cmd = printf('hi %s%s', a:group, s:GetHiCmd(colors))
+			try
+				exe cmd
+			catch
+				echoerr "Error when running command: ". cmd
+			endtry
+			if has_key(s:hl_groups, a:group)
+				let s:hl_groups[a:group] = colors
+			endif
+		endif
+	endfunction
+	function! s:CheckDefined(colors) abort " {{{2
+		" Checks, whether the definition of the colors is valid and is not empty or NONE
+		" e.g. if the colors would expand to this:
+		" hi airline_c ctermfg=NONE ctermbg=NONE
+		" that means to clear that highlighting group, therefore, fallback to Normal
+		" highlighting group for the cterm values
 
-  " This only works, if the Normal highlighting group is actually defined, so
-  " return early, if it has been cleared
-  if !exists("g:airline#highlighter#normal_fg_hi")
-    let g:airline#highlighter#normal_fg_hi = synIDattr(synIDtrans(hlID('Normal')), 'fg', 'cterm')
-  endif
-  if empty(g:airline#highlighter#normal_fg_hi) || g:airline#highlighter#normal_fg_hi < 0
-    return a:colors
-  endif
+		" This only works, if the Normal highlighting group is actually defined, so
+		" return early, if it has been cleared
+		if !exists("g:airline#highlighter#normal_fg_hi")
+			let g:airline#highlighter#normal_fg_hi = synIDattr(synIDtrans(hlID('Normal')), 'fg', 'cterm')
+		endif
+		if empty(g:airline#highlighter#normal_fg_hi) || g:airline#highlighter#normal_fg_hi < 0
+			return a:colors
+		endif
 
-  for val in a:colors
-    if !empty(val) && val !=# 'NONE'
-      return a:colors
-    endif
-  endfor
-  " this adds the bold attribute to the term argument of the :hi command,
-  " but at least this makes sure, the group will be defined
-  let fg = g:airline#highlighter#normal_fg_hi
-  let bg = synIDattr(synIDtrans(hlID('Normal')), 'bg', 'cterm')
-  if bg < 0
-    " in case there is no background color defined for Normal
-    let bg = a:colors[3]
-  endif
-  return a:colors[0:1] + [fg, bg] + [a:colors[4]]
-endfunction
+		for val in a:colors
+			if !empty(val) && val !=# 'NONE'
+				return a:colors
+			endif
+		endfor
+		" this adds the bold attribute to the term argument of the :hi command,
+		" but at least this makes sure, the group will be defined
+		let fg = g:airline#highlighter#normal_fg_hi
+		let bg = synIDattr(synIDtrans(hlID('Normal')), 'bg', 'cterm')
+		if bg < 0
+			" in case there is no background color defined for Normal
+			let bg = a:colors[3]
+		endif
+		return a:colors[0:1] + [fg, bg] + [a:colors[4]]
+	endfunction
 
-function! s:GetHiCmd(list) abort " {{{2
-  " a:list needs to have 5 items!
-  let res = ''
-  let i = -1
-  while i < 4
-    let i += 1
-    let item = get(a:list, i, '')
-    if item is ''
-      continue
-    endif
-    if i == 0
-      let res .= ' guifg='.item
-    elseif i == 1
-      let res .= ' guibg='.item
-    elseif i == 2
-      let res .= ' ctermfg='.item
-    elseif i == 3
-      let res .= ' ctermbg='.item
-    elseif i == 4
-      let res .= printf(' gui=%s cterm=%s term=%s', item, item, item)
-    endif
-  endwhile
-  return res
-endfunction
-function! s:exec_separator(dict, from, to, inverse, suffix) abort " {{{2
-  if pumvisible()
-    return
-  endif
-  let group = a:from.'_to_'.a:to.a:suffix
-  let l:from = airline#themes#get_highlight(a:from.a:suffix)
-  let l:to = airline#themes#get_highlight(a:to.a:suffix)
-  if a:inverse
-    let colors = [ l:from[1], l:to[1], l:from[3], l:to[3] ]
-  else
-    let colors = [ l:to[1], l:from[1], l:to[3], l:from[3] ]
-  endif
-  let a:dict[group] = colors
-  call airline#highlighter#exec(group, colors)
-endfunction
-function! airline#highlighter#load_theme() abort " {{{2
-  if pumvisible()
-    return
-  endif
-  for winnr in filter(range(1, winnr('$')), 'v:val != winnr()')
-    call airline#highlighter#highlight_modified_inactive(winbufnr(winnr))
-  endfor
-  call airline#highlighter#highlight(['inactive'])
-  if getbufvar( bufnr('%'), '&modified'  )
-    call airline#highlighter#highlight(['normal', 'modified'])
-  else
-    call airline#highlighter#highlight(['normal'])
-  endif
-endfunction
-function! airline#highlighter#add_separator(from, to, inverse) abort " {{{2
-  let s:separators[a:from.a:to] = [a:from, a:to, a:inverse]
-  call <sid>exec_separator({}, a:from, a:to, a:inverse, '')
-endfunction
-function! airline#highlighter#add_accent(accent) abort " {{{2
-  let s:accents[a:accent] = 1
-endfunction
-function! airline#highlighter#highlight_modified_inactive(bufnr) abort " {{{2
-  if getbufvar(a:bufnr, '&modified')
-    let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c')
-          \ ? g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c : []
-  else
-    let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive.airline_c')
-          \ ? g:airline#themes#{g:airline_theme}#palette.inactive.airline_c : []
-  endif
+	function! s:GetHiCmd(list) abort " {{{2
+		" a:list needs to have 5 items!
+		let res = ''
+		let i = -1
+		while i < 4
+			let i += 1
+			let item = get(a:list, i, '')
+			if item is ''
+				continue
+			endif
+			if i == 0
+				let res .= ' guifg='.item
+			elseif i == 1
+				let res .= ' guibg='.item
+			elseif i == 2
+				let res .= ' ctermfg='.item
+			elseif i == 3
+				let res .= ' ctermbg='.item
+			elseif i == 4
+				let res .= printf(' gui=%s cterm=%s term=%s', item, item, item)
+			endif
+		endwhile
+		return res
+	endfunction
+	function! s:exec_separator(dict, from, to, inverse, suffix) abort " {{{2
+		if pumvisible()
+			return
+		endif
+		let group = a:from.'_to_'.a:to.a:suffix
+		let l:from = airline#themes#get_highlight(a:from.a:suffix)
+		let l:to = airline#themes#get_highlight(a:to.a:suffix)
+		if a:inverse
+			let colors = [ l:from[1], l:to[1], l:from[3], l:to[3] ]
+		else
+			let colors = [ l:to[1], l:from[1], l:to[3], l:from[3] ]
+		endif
+		let a:dict[group] = colors
+		call airline#highlighter#exec(group, colors)
+	endfunction
+	function! airline#highlighter#load_theme() abort " {{{2
+		if pumvisible()
+			return
+		endif
+		for winnr in filter(range(1, winnr('$')), 'v:val != winnr()')
+			call airline#highlighter#highlight_modified_inactive(winbufnr(winnr))
+		endfor
+		call airline#highlighter#highlight(['inactive'])
+		if getbufvar( bufnr('%'), '&modified'  )
+			call airline#highlighter#highlight(['normal', 'modified'])
+		else
+			call airline#highlighter#highlight(['normal'])
+		endif
+	endfunction
+	function! airline#highlighter#add_separator(from, to, inverse) abort " {{{2
+		let s:separators[a:from.a:to] = [a:from, a:to, a:inverse]
+		call <sid>exec_separator({}, a:from, a:to, a:inverse, '')
+	endfunction
+	function! airline#highlighter#add_accent(accent) abort " {{{2
+		let s:accents[a:accent] = 1
+	endfunction
+	function! airline#highlighter#highlight_modified_inactive(bufnr) abort " {{{2
+		if getbufvar(a:bufnr, '&modified')
+			let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c')
+						\ ? g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c : []
+		else
+			let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive.airline_c')
+						\ ? g:airline#themes#{g:airline_theme}#palette.inactive.airline_c : []
+		endif
 
-  if !empty(colors)
-    call airline#highlighter#exec('airline_c'.(a:bufnr).'_inactive', colors)
-  endif
-endfunction
-function! airline#highlighter#highlight(modes, ...) abort " {{{2
-  let bufnr = a:0 ? a:1 : ''
-  let p = g:airline#themes#{g:airline_theme}#palette
+		if !empty(colors)
+			call airline#highlighter#exec('airline_c'.(a:bufnr).'_inactive', colors)
+		endif
+	endfunction
+	function! airline#highlighter#highlight(modes, ...) abort " {{{2
+		let bufnr = a:0 ? a:1 : ''
+		let p = g:airline#themes#{g:airline_theme}#palette
 
-  " draw the base mode, followed by any overrides
-  let mapped = map(a:modes, 'v:val == a:modes[0] ? v:val : a:modes[0]."_".v:val')
-  let suffix = a:modes[0] == 'inactive' ? '_inactive' : ''
-  let airline_grouplist = []
-  let buffers_in_tabpage = sort(tabpagebuflist())
-  if exists("*uniq")
-    let buffers_in_tabpage = uniq(buffers_in_tabpage)
-  endif
-  " mapped might be something like ['normal', 'normal_modified']
-  " if a group is in both modes available, only define the second
-  " that is how this was done previously overwrite the previous definition
-  for mode in reverse(mapped)
-    if exists('g:airline#themes#{g:airline_theme}#palette[mode]')
-      let dict = g:airline#themes#{g:airline_theme}#palette[mode]
-      for kvp in items(dict)
-        let mode_colors = kvp[1]
-        let name = kvp[0]
-        if name is# 'airline_c' && !empty(bufnr) && suffix is# '_inactive'
-          let name = 'airline_c'.bufnr
-        endif
-        " do not re-create highlighting for buffers that are no longer visible
-        " in the current tabpage
-        if name =~# 'airline_c\d\+'
-          let bnr = matchstr(name, 'airline_c\zs\d\+') + 0
-          if bnr > 0 && index(buffers_in_tabpage, bnr) == -1
-            continue
-          endif
-        elseif (name =~# '_to_') || (name[0:10] is# 'airline_tab' && !empty(suffix))
-          " group will be redefined below at exec_separator
-          " or is not needed for tabline with '_inactive' suffix
-          " since active flag is 1 for builder)
-          continue
-        endif
-        if s:group_not_done(airline_grouplist, name.suffix)
-          call airline#highlighter#exec(name.suffix, mode_colors)
-        endif
+		" draw the base mode, followed by any overrides
+		let mapped = map(a:modes, 'v:val == a:modes[0] ? v:val : a:modes[0]."_".v:val')
+		let suffix = a:modes[0] == 'inactive' ? '_inactive' : ''
+		let airline_grouplist = []
+		let buffers_in_tabpage = sort(tabpagebuflist())
+		if exists("*uniq")
+			let buffers_in_tabpage = uniq(buffers_in_tabpage)
+		endif
+		" mapped might be something like ['normal', 'normal_modified']
+		" if a group is in both modes available, only define the second
+		" that is how this was done previously overwrite the previous definition
+		for mode in reverse(mapped)
+			if exists('g:airline#themes#{g:airline_theme}#palette[mode]')
+				let dict = g:airline#themes#{g:airline_theme}#palette[mode]
+				for kvp in items(dict)
+					let mode_colors = kvp[1]
+					let name = kvp[0]
+					if name is# 'airline_c' && !empty(bufnr) && suffix is# '_inactive'
+						let name = 'airline_c'.bufnr
+					endif
+					" do not re-create highlighting for buffers that are no longer visible
+					" in the current tabpage
+					if name =~# 'airline_c\d\+'
+						let bnr = matchstr(name, 'airline_c\zs\d\+') + 0
+						if bnr > 0 && index(buffers_in_tabpage, bnr) == -1
+							continue
+						endif
+					elseif (name =~# '_to_') || (name[0:10] is# 'airline_tab' && !empty(suffix))
+						" group will be redefined below at exec_separator
+						" or is not needed for tabline with '_inactive' suffix
+						" since active flag is 1 for builder)
+						continue
+					endif
+					if s:group_not_done(airline_grouplist, name.suffix)
+						call airline#highlighter#exec(name.suffix, mode_colors)
+					endif
 
-        if !has_key(p, 'accents')
-          " work around a broken installation
-          " shouldn't actually happen, p should always contain accents
-          continue
-        endif
+					if !has_key(p, 'accents')
+						" work around a broken installation
+						" shouldn't actually happen, p should always contain accents
+						continue
+					endif
 
-        for accent in keys(s:accents)
-          if !has_key(p.accents, accent)
-            continue
-          endif
-          let colors = copy(mode_colors)
-          if p.accents[accent][0] != ''
-            let colors[0] = p.accents[accent][0]
-          endif
-          if p.accents[accent][2] != ''
-            let colors[2] = p.accents[accent][2]
-          endif
-          if len(colors) >= 5
-            let colors[4] = get(p.accents[accent], 4, '')
-          else
-            call add(colors, get(p.accents[accent], 4, ''))
-          endif
-          if s:group_not_done(airline_grouplist, name.suffix.'_'.accent)
-            call airline#highlighter#exec(name.suffix.'_'.accent, colors)
-          endif
-        endfor
-      endfor
+					for accent in keys(s:accents)
+						if !has_key(p.accents, accent)
+							continue
+						endif
+						let colors = copy(mode_colors)
+						if p.accents[accent][0] != ''
+							let colors[0] = p.accents[accent][0]
+						endif
+						if p.accents[accent][2] != ''
+							let colors[2] = p.accents[accent][2]
+						endif
+						if len(colors) >= 5
+							let colors[4] = get(p.accents[accent], 4, '')
+						else
+							call add(colors, get(p.accents[accent], 4, ''))
+						endif
+						if s:group_not_done(airline_grouplist, name.suffix.'_'.accent)
+							call airline#highlighter#exec(name.suffix.'_'.accent, colors)
+						endif
+					endfor
+				endfor
 
-      if empty(s:separators)
-        " nothing to be done
-        continue
-      endif
-      " TODO: optimize this
-      for sep in items(s:separators)
-        " we cannot check, that the group already exists, else the separators
-        " might not be correctly defined. But perhaps we can skip above groups
-        " that match the '_to_' name, because they would be redefined here...
-        call <sid>exec_separator(dict, sep[1][0], sep[1][1], sep[1][2], suffix)
-      endfor
-    endif
-  endfor
-endfunction
+				if empty(s:separators)
+					" nothing to be done
+					continue
+				endif
+				" TODO: optimize this
+				for sep in items(s:separators)
+					" we cannot check, that the group already exists, else the separators
+					" might not be correctly defined. But perhaps we can skip above groups
+					" that match the '_to_' name, because they would be redefined here...
+					call <sid>exec_separator(dict, sep[1][0], sep[1][1], sep[1][2], suffix)
+				endfor
+			endif
+		endfor
+	endfunction
+
+  finish
+else
+  " This is using Vim9 script " {{{1
+endif