Escaping special closing character ] does not work fix #611

Author: jknack

handlebars/src/main/antlr4/com/github/jknack/handlebars/internal/HbsLexer.g4

@@ -348,7 +348,7 @@ ID_SUFFIX
 fragment
 ID_ESCAPE
   :
-    '[' ~[\]]+? ']'
+    '[' ('\\]' | ~[\]])+? ']'
   ;
 
 fragment

handlebars/src/test/java/com/github/jknack/handlebars/issues/Issue611.java

@@ -0,0 +1,16 @@
+package com.github.jknack.handlebars.issues;
+
+import com.github.jknack.handlebars.v4Test;
+import org.junit.Test;
+
+public class Issue611 extends v4Test {
+
+  @Test
+  public void shouldScapeRightBracket() throws Exception {
+    shouldCompileTo("<div class=\"entry\">\n"
+        + "  <h1>{{ fields.[Special [case\\]] }}</h1>\n"
+        + "</div>", $("hash", $("fields", $("Special [case\\]", "yo"))), "<div class=\"entry\">\n"
+        + "  <h1>yo</h1>\n"
+        + "</div>");
+  }
+}

handlebars/src/test/java/com/github/jknack/handlebars/issues/Issue614.java

@@ -7,7 +7,7 @@
 public class Issue614 extends v4Test {
 
   @Test
-  public void shouldFavorIntOverDouble() throws Exception {
+  public void shouldGetTextFromElseIf() throws Exception {
     String text = compile("{{#if a}}a{{else if b}}b{{else}}c{{/if}}").text();
     assertEquals("{{#if a}}a{{else if b}}b{{else}}c{{/if}}", text);
   }