/* eslint-env node */

module.exports = {
  browsers: [
    'ie 9',
    'last 1 Chrome versions',
    'last 1 Firefox versions',
    'last 1 Safari versions'
  ]
};

@@ -57,27 +57,327 @@
     
-'ie 9',%0A    'last 1
+// We don't actually intend to support Safari 4, but PhantomJS uses an%0A    // old version of webkit. There's no browserslist string for PhantomJS,%0A    // but this simulates it so that autoprefixer works for running tests.%0A    'Safari 4',%0A%0A    // These are the browsers we actually are attempting to support:%0A    'last 2
  Chr
@@ -410,33 +410,51 @@
  Firefox version
-s
+',%0A    'Firefox ESR
 ',%0A    'last 1 S
@@ -466,17 +466,101 @@
  version
-s
+',%0A    'last 1 iOS version',%0A    'last 1 Edge version',%0A    'last 1 UCAndroid version
 '%0A  %5D%0A%7D;

Make targets match RFC 1985