code: func expandpkg(t0 string, pkg string) string {
  	return strings.Replace(t0, `"".`, pkg+".", -1)
  }
docs: // Copyright 2009 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  // go-specific code shared across loaders (5l, 6l, 8l).
  // replace all "". with pkg.