Fix indent of tags without tag name when using renderFormatted() (#174)

https://github.com/tipsy/j2html/issues/173

Off topic: Set execute flag on mvnw

library/src/main/java/j2html/tags/ContainerTag.java

@@ -181,7 +181,6 @@ public class ContainerTag<T extends ContainerTag<T>> extends Tag<T> {
                         if (this.isSelfFormattingTag()) {
                             c.render(sb);
                         } else {
-                            indent(sb, lvl-1);
                             ((ContainerTag<?>) c).renderFormatted(lvl-1, sb);
                         }
                     }
@@ -197,7 +196,7 @@ public class ContainerTag<T extends ContainerTag<T>> extends Tag<T> {
                 lvl--;
             }
         }
-        if (!this.isSelfFormattingTag()) {
+        if (hasTagName() && !this.isSelfFormattingTag()) {
             indent(sb, lvl);
         }
         renderCloseTag(sb);

library/src/test/java/j2html/tags/RenderFormattedTest.java

@@ -67,4 +67,23 @@ public class RenderFormattedTest {
         ));
     }
 
+    @Test
+    public void testFormattedTags_nestedEach() throws Exception {
+        assertThat(div(ul(each(asList(1, 2, 3), i -> li("Number " + i)))).renderFormatted(), is(
+            "<div>\n" +
+                "    <ul>\n" +
+                "        <li>\n" +
+                "            Number 1\n" +
+                "        </li>\n" +
+                "        <li>\n" +
+                "            Number 2\n" +
+                "        </li>\n" +
+                "        <li>\n" +
+                "            Number 3\n" +
+                "        </li>\n" +
+                "    </ul>\n" +
+                "</div>\n"
+        ));
+    }
+
 }