diff --git a/after/indent/c.vim b/after/indent/c.vim
new file mode 100644
index 0000000..ee7836d
--- /dev/null
+++ b/after/indent/c.vim
@@ -0,0 +1,3 @@
+setlocal shiftwidth=4
+setlocal tabstop=4
+setlocal noexpandtab
diff --git a/after/indent/mail.vim b/after/indent/mail.vim
new file mode 100644
index 0000000..898bd04
--- /dev/null
+++ b/after/indent/mail.vim
@@ -0,0 +1,3 @@
+setlocal shiftwidth=2
+setlocal tabstop=2
+setlocal expandtab
diff --git a/after/indent/markdown.vim b/after/indent/markdown.vim
new file mode 100644
index 0000000..898bd04
--- /dev/null
+++ b/after/indent/markdown.vim
@@ -0,0 +1,3 @@
+setlocal shiftwidth=2
+setlocal tabstop=2
+setlocal expandtab
diff --git a/after/indent/text.vim b/after/indent/text.vim
new file mode 100644
index 0000000..898bd04
--- /dev/null
+++ b/after/indent/text.vim
@@ -0,0 +1,3 @@
+setlocal shiftwidth=2
+setlocal tabstop=2
+setlocal expandtab
diff --git a/init.vim b/init.vim
index de496df..3ff78d3 100644
--- a/init.vim
+++ b/init.vim
@@ -2,6 +2,7 @@ set nocompatible
 filetype off
 call plug#begin("~/.config/nvim/plugged")
 Plug 'tpope/vim-fugitive'
+Plug 'vim-scripts/DoxygenToolkit.vim'
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
 Plug 'scrooloose/nerdcommenter'
@@ -15,6 +16,7 @@ Plug 'ciaranm/detectindent'
 Plug 'jiangmiao/auto-pairs'
 Plug 'antoyo/vim-licenses'
 Plug 'altercation/vim-colors-solarized'
+"Plug 'ervandew/supertab'
 Plug 'neoclide/coc.nvim', {'branch': 'release'}
 call plug#end()
 filetype plugin indent on
@@ -23,8 +25,8 @@ filetype plugin on
 
 """ General
 " indentation
-set tabstop=2                " tabs only count for 4 spaces
-set shiftwidth=2             " when indenting use 4 spaces
+set tabstop=4                " tabs only count for 4 spaces
+set shiftwidth=4             " when indenting use 4 spaces
 set noexpandtab              " use tab characters
 set autoindent
 
@@ -40,18 +42,43 @@ set nolist                   " disable line break on wrap
 
 " folding
 set foldmethod=syntax
-set foldlevel=0
-set foldnestmax=1
+"set foldlevel=0
+"set foldnestmax=1
+
+set clipboard+=unnamedplus
 
 " CoC settings
-"inoremap <silent><expr> <TAB>
-			"\ pumvisible() ? "\<C-n>" :
-			"\ <SID>check_back_space() ? "\<TAB>" :
-			"\ coc#refresh()
-"inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
-inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
-inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#pum#next(1) :
+      \ CheckBackspace() ? "\<Tab>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+"inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
+"inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
 nmap <C-a> :CocAction<CR>
+let g:coc_disable_startup_warning = 1
+
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+
+function! CheckBackspace() abort
+	let col = col('.') - 1
+	return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+func! s:my_colors_setup() abort
+	" this is an example
+	hi CocFloating cterm=reverse ctermfg=251
+	hi CocMenuSel cterm=reverse ctermfg=255
+endfunc
+
+augroup colorscheme_coc_setup | au!
+	au ColorScheme * call s:my_colors_setup()
+augroup END
+
+" Use `[g` and `]g` to navigate diagnostics
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
 
 " syntax highlighting
 syntax on
@@ -59,10 +86,15 @@ set background=dark
 colorscheme solarized
 
 """ Project-Specific Settings
-" Brigham projects
-augroup AgTech
-	au BufRead,BufEnter /home/nicolas/dev/C++/AgTech/* set expandtab tabstop=2 shiftwidth=2
-augroup END
+
+set cino+=(0
+set cino+=:0
+set cino+=l1
+set cino+=g0
+set cino+=N-s
+set cino+=E-s
+set cino+=p2s
+set cino+=t0
 
 """ key remapping
 " cursor navigation