Fixes.

node_modules/ret/lib/positions.js

@@ -1,17 +0,0 @@
-var types = require('./types');
-
-exports.wordBoundary = function() {
-  return { type: types.POSITION, value: 'b' };
-};
-
-exports.nonWordBoundary = function() {
-  return { type: types.POSITION, value: 'B' };
-};
-
-exports.begin = function() {
-  return { type: types.POSITION, value: '^' };
-};
-
-exports.end = function() {
-  return { type: types.POSITION, value: '$' };
-};