precompile helper dosen't support 'partial with parameter' fix #596

Author: jknack

handlebars/src/main/java/com/github/jknack/handlebars/internal/Partial.java

@@ -290,6 +290,14 @@ public String text() {
     if (context != null) {
       buffer.append(' ').append(context);
     }
+    String params = paramsToString(this.params);
+    if (params.length() > 0) {
+      buffer.append(" ").append(params);
+    }
+    String hash = hashToString();
+    if (hash.length() > 0) {
+      buffer.append(" ").append(hash);
+    }
 
     buffer.append(endDelimiter);
 

handlebars/src/test/java/com/github/jknack/handlebars/issues/Issue596.java

@@ -0,0 +1,14 @@
+package com.github.jknack.handlebars.issues;
+
+import com.github.jknack.handlebars.v4Test;
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class Issue596 extends v4Test {
+
+  @Test
+  public void shouldSupportNoneCharSequenceReturnsTypeFromHelperClass() throws Exception {
+    String text = compile("{{> partial root=this name=\"Han\"}}").text();
+    assertEquals("{{>partial root=this name=\"Han\"}}", text);
+  }
+}