vim: wrap au with group

.vimrc

@@ -99,18 +99,17 @@ augroup vimStartup
                                 \   exe "normal! g`\"" |
                                 \ endif
 
+        " Check that file have not been changed
+        " CursorHold : after cursor move
+        " WinEnter or BufWinEnter
+        au WinEnter * checktime
+        au BufWinEnter * checktime
 augroup END
 
 " command line history
 set history=1000
 set tabpagemax=50
 
-" Check that file have not been changed
-" CursorHold : after cursor move
-" WinEnter or BufWinEnter
-au WinEnter * checktime
-au BufWinEnter * checktime
-
 """""""""
 " INPUT "
 """""""""
@@ -188,7 +187,7 @@ set shiftwidth=8
 
 
 "filetype specific action
-if has("autocmd")
+augroup IrisPython
         au Filetype markdown set tabstop=4 shiftwidth=4 softtabstop=4
         au BufRead,BufNewFile *.iris set ft=python
         au BufRead,BufNewFile *.ino set tabstop=4 shiftwidth=4 softtabstop=4
@@ -204,8 +203,7 @@ if has("autocmd")
         autocmd Filetype python set equalprg=autopep8\ -
         iab sefl self
         iab slef self
-
-endif
+augroup END
 
 " vim -b : edit binary using xxd-format!
 augroup Binary
@@ -230,7 +228,9 @@ fu DetectIndent()
 endfu
 
 " detect indentation see http://www.freehackers.org/Indent_Finder
-autocmd BufReadPost /* call DetectIndent()
+augroup IndentFind
+        autocmd BufReadPost /* call DetectIndent()
+augroup END
 
 noremap <C-K> :py3f ~/.vim/syntax/clang-format.py<CR>
 inoremap <C-K> <ESC>:py3f ~/.vim/syntax/clang-format.py<CR>i
@@ -282,10 +282,10 @@ nmap <F8> :TagbarToggle<CR>
 
 
 " close preview window after a completion
-if has("autocmd")
+augroup AutoCompletion
         autocmd CursorMovedI *.{[hc],cpp} if pumvisible() == 0|pclose|endif
         autocmd InsertLeave *.{[hc],cpp} if pumvisible() == 0|pclose|endif
-endif
+augroup END
 
 function! TagInNewTab()
         let word = expand("<cword>")
@@ -342,9 +342,9 @@ if bufwinnr(1)
         imap <C-Up> <ESC><C-Up>a
 endif
 " open automatically quickfix window
-if has("autocmd")
+augroup QuickFix
         autocmd QuickFixCmdPost * cw
-endif
+augroup END
 
 " open a file in the same directory as the current file with F2 and split with shift+F2
 map <F2> :tabe <C-R>=expand("%:h") . "/"<CR>
@@ -459,8 +459,10 @@ cnoremap w!! execute 'silent! write !sudo tee % >/dev/null' <bar> edit!
 """""""""""
 " NerdTree
 """""""""""
-autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
-map <F9>   :NERDTreeToggle<CR>
+augroup NerdGroup
+        autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
+        map <F9>   :NERDTreeToggle<CR>
+augroup END
 
 """""""""""
 " GitGutter
@@ -653,7 +655,9 @@ if v:version >= 800
                         nmap <C-F1> <Plug>(lcn-menu)
                 endif
         endfunction
-        autocmd FileType * call LC_maps()
+        augroup LSP
+                autocmd FileType * call LC_maps()
+        augroup END
 else
         "Syntax checking | Install flake8 or pylint for python
         " Install shellcheck for bash
@@ -717,8 +721,10 @@ Plugin 'rhysd/vim-grammarous'
 
 Plugin 'junegunn/goyo.vim'
 Plugin 'junegunn/limelight.vim'
-autocmd! User GoyoEnter Limelight
-autocmd! User GoyoLeave Limelight!
+augroup LimeGroup
+        autocmd! User GoyoEnter Limelight
+        autocmd! User GoyoLeave Limelight!
+augroup END
 
 "Complete delimiters
 Plugin 'Raimondi/delimitMate.git'
@@ -756,8 +762,9 @@ let g:tex_conceal='abdmg'
 let g:polyglot_disabled = ['latex']
 
 " Visual incrementation. increment in block with ctrl-A
-Plugin 'triglav/vim-visual-increment'
-set nrformats=alpha,octal,hex
+"-> use g ctr-a instead
+"Plugin 'triglav/vim-visual-increment'
+"set nrformats=alpha,octal,hex
 
 Plugin 'christoomey/vim-tmux-navigator'
 let g:tmux_navigator_no_mappings=1