development: combining TextView with Editor

Sources/iOS/Editor.swift

@@ -223,7 +223,7 @@ open class Editor: View {
     }
     
     /// Reference to the TextView.
-    open fileprivate(set) var textView: UITextView!
+    open fileprivate(set) var textView: TextView!
     
     /// A reference to an EditorDelegate.
     open weak var delegate: EditorDelegate?
@@ -312,7 +312,7 @@ extension Editor {
     
     /// Prepares the textView.
     fileprivate func prepareTextView() {
-        textView = UITextView(frame: .zero, textContainer: textContainer)
+        textView = TextView(textContainer: textContainer)
         textView.delegate = self
         addSubview(textView)
     }

Sources/iOS/TextView.swift

@@ -81,6 +81,15 @@ open class TextView: UITextView {
 		}
 	}
     
+    open var placeholder: String? {
+        get {
+            return placeholderLabel?.text
+        }
+        set(value) {
+            placeholderLabel?.text = value
+        }
+    }
+	
 	/// An override to the text property.
 	@IBInspectable
     open override var text: String! {