diff --git a/.vimrc b/.vimrc
index be59eff..61b5af9 100644
--- a/.vimrc
+++ b/.vimrc
@@ -197,11 +197,11 @@ if has("autocmd")
     autocmd BufRead,BufNewFile *.py syntax on
     autocmd BufRead,BufNewFile *.py set ai
     autocmd BufRead,BufNewFile *.py set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class
-    set tabstop=4
-    set expandtab
-    set shiftwidth=4
-    set softtabstop=4
-    set modeline
+    autocmd BufRead,BufNewFile *.py set tabstop=4
+    autocmd BufRead,BufNewFile *.py set expandtab
+    autocmd BufRead,BufNewFile *.py set shiftwidth=4
+    autocmd BufRead,BufNewFile *.py set softtabstop=4
+    autocmd BufRead,BufNewFile *.py set modeline
 
 endif
 " define whitespaces at end of line as bad whitespaces
@@ -255,7 +255,7 @@ let Tlist_Display_Prototype = 0
 let Tlist_Display_Tag_Scope = 0
 let Tlist_Show_One_File = 1
 let Tlist_Compact_Format = 1
-let Tlist_Enable_Fold_Column = 1
+let Tlist_Enable_Fold_Column = 0
 "let Tlist_File_Fold_Auto_Close = 1
 let Tlist_Inc_Winwidth = 0
 "let Tlist_Use_Horiz_Window = 1
@@ -479,7 +479,10 @@ endif
 nmap <F10> zfa{<CR><CR>
 " unfold or use End
 nmap <S-F10> zo<CR><CR>
-
+" Autosave folding
+"au BufWinLeave * mkview
+" Autoload folding
+"au BufWinEnter * silent loadview
 
 """"""""""""""""""""""""""""""""""""""""""""""""""
 "Omni-completion par CTRL-X_CTRL-O
diff --git a/HOSTO_CTAGS b/HOSTO_CTAGS
index 97c8086..7ed661b 100644
--- a/HOSTO_CTAGS
+++ b/HOSTO_CTAGS
@@ -1,4 +1,13 @@
 ctags -f ~/.vim/qt4tags -R /usr/include/qt4/
+ou si on a pas de .ctags
+ctags -R --sort=yes --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ -f gl /usr/include/GL/   # for OpenGL
+ctags -R --sort=yes --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ -f sdl /usr/include/SDL/ # for SDL
+ctags -R --sort=yes --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ -f qt4 /usr/include/qt4/ # for QT4
 
 in .vimrc
-set tags+=~/vim/st4tags
+set tags+=~/vim/qt4tags
+
+" configure tags - add additional tags here or comment out not-used ones
+set tags+=~/.vim/tags/gl
+set tags+=~/.vim/tags/sdl
+set tags+=~/.vim/tags/qt4