patch 7.4.2111

Problem:    Defaults are very conservative.
Solution:   Move settings from vimrc_example.vim to defaults.vim.  Load
            defaults.vim if no .vimrc was found.

runtime/defaults.vim

@@ -0,0 +1,109 @@
+" The default vimrc file.
+"
+" Maintainer:	Bram Moolenaar <Bram@vim.org>
+" Last change:	2016 Jul 28
+"
+" This is loaded if no vimrc file was found.
+" Except when Vim is run with "-u NONE" or "-C".
+" Individual settings can be reverted with ":set option&".
+" Other commands can be reverted as mentioned below.
+
+" When started as "evim", evim.vim will already have done these settings.
+if v:progname =~? "evim"
+  finish
+endif
+
+" Use Vim settings, rather than Vi settings (much better!).
+" This must be first, because it changes other options as a side effect.
+set nocompatible
+
+" Allow backspacing over everything in insert mode.
+set backspace=indent,eol,start
+
+set history=200		" keep 200 lines of command line history
+set ruler		" show the cursor position all the time
+set showcmd		" display incomplete commands
+set wildmenu		" display completion matches in a status line
+
+" Do incremental searching when it's possible to timeout.
+if has('reltime')
+  set incsearch
+endif
+
+" Do not recognize octal numbers for Ctrl-A and Ctrl-X, most users find it
+" confusing.
+set nrformats-=octal
+
+" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries.
+if has('win32')
+  set guioptions-=t
+endif
+
+" Don't use Ex mode, use Q for formatting.
+" Revert with ":unmap Q".
+map Q gq
+
+" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
+" so that you can undo CTRL-U after inserting a line break.
+" Revert with ":iunmap <C-U>".
+inoremap <C-U> <C-G>u<C-U>
+
+" In many terminal emulators the mouse works just fine.  By enabling it you
+" can position the cursor, Visually select and scroll with the mouse.
+if has('mouse')
+  set mouse=a
+endif
+
+" Switch syntax highlighting on when the terminal has colors or when using the
+" GUI (which always has colors).
+if &t_Co > 2 || has("gui_running")
+  " Revert with ":syntax off".
+  syntax on
+
+  " I like highlighting strings inside C comments.
+  " Revert with ":unlet c_comment_strings".
+  let c_comment_strings=1
+endif
+
+" Only do this part when compiled with support for autocommands.
+if has("autocmd")
+
+  " Enable file type detection.
+  " Use the default filetype settings, so that mail gets 'tw' set to 72,
+  " 'cindent' is on in C files, etc.
+  " Also load indent files, to automatically do language-dependent indenting.
+  " Revert with ":filetype off".
+  filetype plugin indent on
+
+  " Put these in an autocmd group, so that you can revert them with:
+  " ":augroup vimStartup | au! | augroup END"
+  augroup vimStartup
+    au!
+
+    " When editing a file, always jump to the last known cursor position.
+    " Don't do it when the position is invalid or when inside an event handler
+    " (happens when dropping a file on gvim).
+    autocmd BufReadPost *
+      \ if line("'\"") >= 1 && line("'\"") <= line("$") |
+      \   exe "normal! g`\"" |
+      \ endif
+
+  augroup END
+
+endif " has("autocmd")
+
+" Convenient command to see the difference between the current buffer and the
+" file it was loaded from, thus the changes you made.
+" Only define it when not defined already.
+" Revert with: ":delcommand DiffOrig".
+if !exists(":DiffOrig")
+  command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
+		  \ | wincmd p | diffthis
+endif
+
+if has('langmap') && exists('+langnoremap')
+  " Prevent that the langmap option applies to characters that result from a
+  " mapping.  If unset (default), this may break plugins (but it's backward
+  " compatible).
+  set langnoremap
+endif