vimrc

 1set runtimepath^=$XDG_CONFIG_HOME/vim
 2set runtimepath+=$XDG_DATA_HOME/vim
 3set runtimepath+=$XDG_CONFIG_HOME/vim/after
 4
 5set packpath^=$XDG_DATA_HOME/vim,$XDG_CONFIG_HOME/vim
 6set packpath+=$XDG_CONFIG_HOME/vim/after,$XDG_DATA_HOME/vim/after
 7
 8let g:netrw_home = $XDG_DATA_HOME."/vim"
 9call mkdir($XDG_DATA_HOME."/vim/spell", 'p')
10
11set backupdir=$XDG_STATE_HOME/vim/backup | call mkdir(&backupdir, 'p')
12set directory=$XDG_STATE_HOME/vim/swap   | call mkdir(&directory, 'p')
13set undodir=$XDG_STATE_HOME/vim/undo     | call mkdir(&undodir,   'p')
14set viewdir=$XDG_STATE_HOME/vim/view     | call mkdir(&viewdir,   'p')
15
16if !has('nvim') | set viminfofile=$XDG_STATE_HOME/vim/viminfo | endif
17
18set mouse-=a
19
20syntax on