--- /dev/null
+" Many MediaWiki wikis prefer line breaks only at the end of paragraphs
+" (like in a text processor), which results in long, wrapping lines.
+setlocal wrap linebreak
+setlocal textwidth=0
+
+" No auto-wrap at all.
+setlocal formatoptions-=tc formatoptions+=l
+if v:version >= 602 | setlocal formatoptions-=a | endif
+
+" Make navigation more amenable to the long wrapping lines.
+noremap <buffer> k gk
+noremap <buffer> j gj
+noremap <buffer> <Up> gk
+noremap <buffer> <Down> gj
+noremap <buffer> 0 g0
+noremap <buffer> ^ g^
+noremap <buffer> $ g$
+noremap <buffer> D dg$
+noremap <buffer> C cg$
+noremap <buffer> A g$a
+
+inoremap <buffer> <Up> <C-O>gk
+inoremap <buffer> <Down> <C-O>gj
+
+" utf-8 should be set if not already done globally
+setlocal fileencoding=utf-8
+setlocal matchpairs+=<:>
+
+" Treat lists, indented text and tables as comment lines and continue with the
+" same formatting in the next line (i.e. insert the comment leader) when hitting
+" <CR> or using "o".
+setlocal comments=n:#,n:*,n:\:,s:{\|,m:\|,ex:\|}
+setlocal formatoptions+=roq
+
+" match HTML tags (taken directly from $VIM/ftplugin/html.vim)
+if exists("loaded_matchit")
+ let b:match_ignorecase=0
+ let b:match_skip = 's:Comment'
+ let b:match_words = '<:>,' .
+ \ '<\@<=[ou]l\>[^>]*\%(>\|$\):<\@<=li\>:<\@<=/[ou]l>,' .
+ \ '<\@<=dl\>[^>]*\%(>\|$\):<\@<=d[td]\>:<\@<=/dl>,' .
+ \ '<\@<=\([^/][^ \t>]*\)[^>]*\%(>\|$\):<\@<=/\1>'
+endif
+
+" Other useful mappings
+" Insert a matching = automatically while starting a new header.
+inoremap <buffer> <silent> = <C-R>=(getline('.')==''\|\|getline('.')=~'^=\+$')?"==\<Lt>Left>":"="<CR>
+
+" Enable folding based on ==sections==
+setlocal foldexpr=getline(v:lnum)=~'^\\(=\\+\\)[^=]\\+\\1\\(\\s*<!--.*-->\\)\\=\\s*$'?\">\".(len(matchstr(getline(v:lnum),'^=\\+'))-1):\"=\"
+setlocal fdm=expr