ikiwiki.vim.orig:
http://www.vim.org/scripts/script.php?script_id=3156
https://github.com/vim-scripts/ikiwiki-syntax/blob/master/syntax/ikiwiki.vim

markdown.vim.orig:
http://sources.debian.net/src/vim/2:7.3.547-7/runtime/syntax/markdown.vim/

sh.vim.orig:
http://sources.debian.net/src/vim/2:7.3.547-7/runtime/syntax/sh.vim/