" ================ strip trailing whitespaces ================
" via: http://rails-bestpractices.com/posts/60-remove-trailing-whitespace
" Strip trailing whitespace
function! <SID>StripTrailingWhitespaces()
    " Preparation: save last search, and cursor position.
    let _s=@/
    let l = line(".")
    let c = col(".")
    " Do the business:
    %s/\s\+$//e
    " Clean up: restore previous search history, and cursor position
    let @/=_s
    call cursor(l, c)
endfunction
command! StripTrailingWhitespaces call <SID>StripTrailingWhitespaces()
nmap ,w :StripTrailingWhitespaces<CR>
" ================ text wrapping ================
" http://vimcasts.org/episodes/soft-wrapping-text/
function! SetupWrapping()
  set wrap linebreak nolist
  set showbreak=…
endfunction

" TODO: this should happen automatically for certain file types (e.g. markdown)
command! -nargs=* Wrap :call SetupWrapping()<CR>

vmap <D-j> gj
vmap <D-k> gk
vmap <D-$> g$
vmap <D-^> g^
vmap <D-0> g^
nmap <D-j> gj
nmap <D-k> gk
nmap <D-$> g$
nmap <D-^> g^
nmap <D-0> g^