" via: http://whynotwiki.com/Vim
" Ruby
" Use v or # to get a variable interpolation (inside of a string)}
" ysiw#   Wrap the token under the cursor in #{}
" v...s#  Wrap the selection in #{}
let g:surround_113 = "#{\r}"   " v
let g:surround_35  = "#{\r}"   " #

" Select text in an ERb file with visual mode and then press s- or s=
" Or yss- to do entire line.
let g:surround_45 = "<% \r %>"    " -
let g:surround_61 = "<%= \r %>"   " =