+" noremap is used to make sure the right side is executed as is and can't be
+" modified by a plugin or other settings. Except for <Nop> which isn't
+" affected by mappings.
+
+" Easy way to exit insert mode. jk is preferred because it's faster.
+inoremap jj <Esc>
+inoremap jk <Esc>
+" Also for command mode, thanks to http://github.com/mitechie/pyvim
+" (2010-10-15).
+cnoremap jj <C-C>
+cnoremap jk <C-C>
+
+" Disable arrow keys for all modes except command modes. Thanks to James Vega
+" (http://git.jamessan.com/?p=etc/vim.git;a=summary).
+map <Right> <Nop>
+map <Left> <Nop>
+map <Up> <Nop>
+map <Down> <Nop>
+imap <Right> <Nop>
+imap <Left> <Nop>
+imap <Up> <Nop>
+imap <Down> <Nop>
+" Also disable arrow keys in command mode, use <C-P>/<C-N> as replacement (see
+" below).
+cmap <Up> <Nop>
+cmap <Down> <Nop>
+cmap <Right> <Nop>
+cmap <Left> <Nop>
+
+" Use <C-P>/<C-N> as replacement for <Up>/<Down> in command mode. Thanks to
+" abstrakt and grayw in #vim on Freenode (2010-04-12 21:20 CEST).
+cnoremap <C-P> <Up>
+cnoremap <C-N> <Down>
+
+if has('eval')
+" Don't move the cursor to the first column for certain scroll commands (<C-F,
+" <C-B>, <C-D>, <C-U>). Thanks to jamessan in #vim on Freenode (2011-08-31
+" 02:27 CEST) for the 'nostartofline' tip. But I can't use 'nostartofline'
+" directly because it also enables that feature for other commands which I
+" don't want.
+
+ " Set 'nostartofline' for a single movement.
+ function! s:TemporaryNostartofline(movement)
+ let l:startofline = &startofline
+ set nostartofline
+ execute 'normal! ' . a:movement
+ let &startofline = l:startofline
+ endfunction
+
+ " Thanks to fow in #vim on Freenode (2012-02-16 15:38 CET) for the idea to
+ " use "<Bslash><Lt>"; Vim documentation reference: :help <>.
+ nnoremap <silent> <C-F>
+ \ :call <SID>TemporaryNostartofline("<Bslash><Lt>C-F>")<CR>
+ nnoremap <silent> <C-B>
+ \ :call <SID>TemporaryNostartofline("<Bslash><Lt>C-B>")<CR>
+ nnoremap <silent> <C-D>
+ \ :call <SID>TemporaryNostartofline("<Bslash><Lt>C-D>")<CR>
+ nnoremap <silent> <C-U>
+ \ :call <SID>TemporaryNostartofline("<Bslash><Lt>C-U>")<CR>
+endif
+
+" Write before suspending, thanks to deryni in #vim on Freenode (2011-05-09
+" 20:02 CEST). To suspend without saving either unmap this or use :stop<CR>.
+" Only the current buffer is written, thus switching to another buffer works
+" too.
+nnoremap <silent> <C-Z> :update<CR>:stop<CR>
+
+" 2<C-G> gives more verbose information, use it by default. Thanks to NCS_One
+" in #vim on Freenode (2011-08-15 00:17 CEST).
+nnoremap <C-G> 2<C-G>
+
+" Use <Space> to move down a page and - to move up one like in mutt. Don't use
+" nnoremap so the <C-F>/<C-B> 'nostartofline' fix (see above) works.
+nmap <Space> <C-F>
+nmap - <C-B>
+
+" Go to next and previous buffer. Thanks to elik in #vim on Freenode
+" (2010-05-16 18:38 CEST) for this idea.
+nnoremap <silent> gb :bnext<CR>
+nnoremap <silent> gB :bprevious<CR>
+if has('eval')
+ " But when starting again at the first buffer, print a warning which
+ " reminds me that I've already seen that buffer.
+ function! s:NextBuffer()
+ " Are we currently on the last buffer and moving to the first?
+ let l:last_buffer = 0
+ if bufnr('%') == bufnr('$') && bufnr('$') > 1
+ let l:last_buffer = 1
+ endif
+
+ " Go to the next buffer.
+ if !l:last_buffer
+ bnext
+
+ " Go to the first buffer, silent is necessary or the following message
+ " won't be displayed because it's overwritten by the status message
+ " displayed when entering a buffer.
+ else
+ silent bnext
+
+ echohl WarningMsg
+ echo 'Starting again at first buffer.'
+ echohl None
+ endif
+ endfunction
+ nnoremap <silent> gb :call <SID>NextBuffer()<CR>
+endif