old_contents: module.exports = normalize
  
  var isValid = require("./is_valid")
  var fixer = require("./fixer")
  
  var fieldsToFix = ['name','version','description','repository'
                    ,'files','bin','man','keywords','readme']
  var otherThingsToFix = ['dependencies','people']
  
  var thingsToFix = fieldsToFix.map(function(fieldName) { 
    return ucFirst(fieldName) + "Field"
  })
  thingsToFix = thingsToFix.concat(otherThingsToFix)
  
  function normalize (data, warn) {
    if(!warn) warn = function(msg) { /* noop */ }
    isValid(data, warn) // don't care if it's valid, we'll make it valid
    if (data.scripts && 
        data.scripts.install === "node-gyp rebuild" && 
        !data.scripts.preinstall) {
      data.gypfile = true
    }
    fixer.warn = warn
    thingsToFix.forEach(function(thingName) {
      fixer["fix" + ucFirst(thingName)](data)
    })
    data._id = data.name + "@" + data.version
    if (data.modules) delete data.modules // modules field is deprecated
  }
  
  function ucFirst (string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
  }
new_contents: module.exports = normalize
  
  var isValid = require("./is_valid")
  var fixer = require("./fixer")
  
  var fieldsToFix = ['name','version','description','repository'
                    ,'files','bin','man','keywords','readme']
  var otherThingsToFix = ['dependencies','people']
  
  var thingsToFix = fieldsToFix.map(function(fieldName) { 
    return ucFirst(fieldName) + "Field"
  })
  // two ways to do this in CoffeeScript on only one line, sub-70 chars:
  // thingsToFix = fieldsToFix.map (name) -> ucFirst(name) + "Field"
  // thingsToFix = (ucFirst(name) + "Field" for name in fieldsToFix)
  thingsToFix = thingsToFix.concat(otherThingsToFix)
  
  function normalize (data, warn) {
    if(!warn) warn = function(msg) { /* noop */ }
    isValid(data, warn) // don't care if it's valid, we'll make it valid
    if (data.scripts && 
        data.scripts.install === "node-gyp rebuild" && 
        !data.scripts.preinstall) {
      data.gypfile = true
    }
    fixer.warn = warn
    thingsToFix.forEach(function(thingName) {
      fixer["fix" + ucFirst(thingName)](data)
    })
    data._id = data.name + "@" + data.version
    if (data.modules) delete data.modules // modules field is deprecated
  }
  
  function ucFirst (string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
  }
subject: Make a point about CoffeeScript.