+ /**
+ * Derived from interface Text, EditableText provides methods for
+ * modifying textual content of components which support editing.
+ * EditableText also interacts with the system clipboard via copyText,
+ * cutText, and pasteText.
+ *
+ * @note read-only instances of EditableText are possible;
+ * These may be instances of a general-purpose component type which are
+ * sometimes, but not always, user-editable, or may be
+ * components which are temporarily or circumstantially
+ * in a non-editable state.
+ */