From f37b07b14d1d931f63e81bf4ac3c904d00f28b43 Mon Sep 17 00:00:00 2001
From: Gardouille <gardouille@gmail.com>
Date: Mon, 27 Jun 2016 14:56:45 +0200
Subject: [PATCH] Add a function to search 2 whitespaces "  "

---
 vimrc | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/vimrc b/vimrc
index 62ca775..32c64bb 100644
--- a/vimrc
+++ b/vimrc
@@ -872,21 +872,39 @@ au BufWritePost * call ModeChange()
 " Display '␠' to mark extra white space at the end of a line
 " Display '⎵' to mark nbsp (fixed spaces,…)
 set list
-set listchars=eol:⏎,nbsp:⎵,tab:▸·,trail:␠
+set listchars=eol:⏎,nbsp:⎵,tab:▸·,extends:>,precedes:<,trail:␠
 " Afficher les espaces superflus en gris clair
 highlight ExtraWhitespace ctermbg=darkgray guibg=lightred
 match ExtraWhitespace /\s\+$/
 
-" Suppression automatique des espaces superflus (avant sauvegarde)
+" Auto-remove extra whitespaces before writing the file
 autocmd BufWritePre * :%s/\s\+$//e
 
+" Search for 2 whitespaces and highlight it (red and underline)
+set hls
+let g:HLSpace = 1
+let g:HLColorScheme = g:colors_name
+function ToggleSpaceUnderscoring()
+	if g:HLSpace
+		highlight Search cterm=underline gui=underline ctermbg=red ctermfg=none
+		let @/ = "  "
+	else
+		highlight clear
+		silent colorscheme "".g:HLColorScheme
+		let @/ = ""
+	endif
+	let g:HLSpace = !g:HLSpace
+endfunction
+
+nmap <silent> <F3> <Esc>:call ToggleSpaceUnderscoring()<CR>
+
 
 "################################
 " Configuration BÉPO
 "################################
 " Si la disposition bépo est détectée, charger automatiquement le fichier
 if !empty(system("setxkbmap -print|grep bepo"))
-  source ~/.vim/vimrc.bepo
+	source ~/.vim/vimrc.bepo
 endif
 " Chargement manuel pour les machines ne disposant pas de setxkbmap (serveurs)
 map <leader>é :source ~/.vim/vimrc.bepo<cr>