message: Improve comments for proguard regex
  Summary: Put a comment in I forgot to include in
diff: @@ -40,9 +40,13 @@ std::string form_member_regex(std::string proguard_regex) {
  }
  // Convert a ProGuard type regex to a boost::regex
  +//
  +// See this link for more details
  +// www.guardsquare.com/en/products/proguard/manual/usage#classspecification
  +//
  // Example: "%" -> "(?:B|S|I|J|Z|F|D|C|V)"
  // Example: "Lalpha?beta;" -> "Lalpha[^\\/\\[]beta;"
  -// Example: "Lalpha/*/beta;" -> "Lalpha\\/(?:[^\\/^\\[]*)\\/beta;"
  +// Example: "Lalpha/*/beta;" -> "Lalpha\\/(?:[^\\/\\[]*)\\/beta;"
  // Example: "Lalpha/**/beta;" -> "Lalpha\\/(?:[^\\[]*)\\/beta;"
  std::string form_type_regex(std::string proguard_regex) {
  if (proguard_regex.empty()) {
  