Add g:brightest#enable_highlight_all_window.

autoload/vital/_brightest/Gift/Tabpage.vim

@@ -0,0 +1,38 @@
+scriptencoding utf-8
+let s:save_cpo = &cpo
+set cpo&vim
+
+
+let s:prefix = expand("<sfile>:p:h:h:t")
+function! s:set_prefix(prefix)
+	let s:prefix = a:prefix
+endfunction
+
+
+let s:uniq_counter = 0
+function! s:make_uniq_nr()
+	let s:uniq_counter += 1
+	return s:uniq_counter
+endfunction
+
+
+function! s:numbering(...)
+	let tabnr = get(a:, 1, tabpagenr())
+	let uniq_nr = s:make_uniq_nr()
+	call settabvar(tabnr, s:prefix . "_gift_uniq_tabpagenr", uniq_nr)
+	return uniq_nr
+endfunction
+
+
+function! s:uniq_nr(...)
+	let tabnr = get(a:, 1, tabpagenr())
+	let uniq_nr = gettabvar(tabnr, s:prefix . "_gift_uniq_tabpagenr", -1)
+	if uniq_nr == -1
+		let uniq_nr = s:numbering(tabnr)
+	endif
+	return uniq_nr
+endfunction
+
+
+let &cpo = s:save_cpo
+unlet s:save_cpo