   /// **Mechanica**
   ///
   /// Appends the right NSMutableAttributedString to the left NSMutableAttributedString.
-  static public func += (lhs: NSMutableAttributedString, rhs: NSMutableAttributedString) {
+  public static func += (lhs: NSMutableAttributedString, rhs: NSMutableAttributedString) {
     lhs.append(rhs)
   }
   
   /// **Mechanica**
   ///
   /// Appends the right NSAttributedString to the left NSMutableAttributedString.
-  static public func += (lhs: NSMutableAttributedString, rhs: NSAttributedString) {
+  public static func += (lhs: NSMutableAttributedString, rhs: NSAttributedString) {
     lhs.append(rhs)
   }
   
   /// **Mechanica**
   ///
   /// Appends the right String to the left NSMutableAttributedString.
-  static func += (lhs: NSMutableAttributedString, rhs: String) {
+  public static func += (lhs: NSMutableAttributedString, rhs: String) {
     lhs.append(NSAttributedString(string: rhs))
   }
   

  /// **Mechanica**
  ///
  /// Returns a `new` NSMutableAttributedString appending the right NSAttributedString to the left NSMutableAttributedString.
  static public func + (lhs: NSMutableAttributedString, rhs: NSAttributedString) -> NSMutableAttributedString {
    let a = lhs.mutableCopy() as! NSMutableAttributedString
    a.append(rhs)
    return a

  /// **Mechanica**
  ///
  /// Returns a `new` NSMutableAttributedString appending the right String to the left NSMutableAttributedString.
  public static func + (lhs: NSMutableAttributedString, rhs: String) -> NSMutableAttributedString {
    let a = lhs.mutableCopy() as! NSMutableAttributedString
    let b = NSMutableAttributedString(string: rhs)
    return a + b
