swig-wx syntax error

gistfile1.txt

Error: /usr/local/Library/Formula/swig-wx.rb:4: syntax error, unexpected '-', expecting '<' or '
' or ';'
class Swig-wx < Formula
           ^
Please report this bug:
    https://github.com/mxcl/homebrew/wiki/reporting-bugs
/usr/local/Library/Homebrew/formula.rb:343:in `require'
/usr/local/Library/Homebrew/formula.rb:343:in `factory'
/usr/local/Library/Homebrew/extend/ARGV.rb:14:in `formulae'
/usr/local/Library/Homebrew/extend/ARGV.rb:14:in `map'
/usr/local/Library/Homebrew/extend/ARGV.rb:14:in `formulae'
/usr/local/Library/Homebrew/cmd/install.rb:20:in `install'
/usr/local/bin/brew:83:in `send'
/usr/local/bin/brew:83