Vim

Auto completion: http://www.linux.org/docs/ldp/howto/C-editing-with-VIM-HOWTO/auto-complete.html

Add new filetype

Lisp (*.l) example: ~/.vim/filetype.vim

" my filetype file
if exists("did_load_filetypes")
        finish
endif
augroup filetypedetect
        au! BufRead,BufNewFile *.l         setfiletype lisp
augroup END

.vimrc

set modeline
set background=dark
filetype plugin on
filetype indent on

set tabstop=4

"Word wrap
set formatoptions=l
set lbr

nnoremap j gj
nnoremap k gk
vnoremap j gj
vnoremap k gk