Eliminate all Closure compiler warnings.

Create diff class in JS that looks the same as an array-based tuple.

Author: Neil Fraser

cpp/diff_match_patch.cpp

@@ -108,9 +108,9 @@ bool Patch::isNull() const {
 
 
 /**
- * Emmulate GNU diff's format.
+ * Emulate GNU diff's format.
  * Header: @@ -382,8 +481,9 @@
- * Indicies are printed as 1-based, not 0-based.
+ * Indices are printed as 1-based, not 0-based.
  * @return The GNU diff string
  */
 QString Patch::toString() {

csharp/DiffMatchPatch.cs

@@ -128,9 +128,9 @@ public class Patch {
  public int length2;
 
  /**
- * Emmulate GNU diff's format.
+ * Emulate GNU diff's format.
  * Header: @@ -382,8 +481,9 @@
- * Indicies are printed as 1-based, not 0-based.
+ * Indices are printed as 1-based, not 0-based.
  * @return The GNU diff string.
  */
  public override string ToString() {

dart/PatchClass.dart

@@ -36,9 +36,9 @@ class Patch {
  }
 
  /**
- * Emmulate GNU diff's format.
+ * Emulate GNU diff's format.
  * Header: @@ -382,8 +481,9 @@
- * Indicies are printed as 1-based, not 0-based.
+ * Indices are printed as 1-based, not 0-based.
  * Returns the GNU diff string.
  */
  String toString() {

java/src/name/fraser/neil/plaintext/diff_match_patch.java

@@ -2405,9 +2405,9 @@ public Patch() {
  }
 
  /**
- * Emmulate GNU diff's format.
+ * Emulate GNU diff's format.
  * Header: @@ -382,8 +481,9 @@
- * Indicies are printed as 1-based, not 0-based.
+ * Indices are printed as 1-based, not 0-based.
  * @return The GNU diff string.
  */
  public String toString() {