From 09e5e352a994ffabf6437fc9e4367464a3d76997 Mon Sep 17 00:00:00 2001
From: Roman Syroeshko <syroeshkoro@gmail.com>
Date: Wed, 21 Oct 2015 21:44:10 +0400
Subject: [PATCH] Changed init value of the NumberingLevel.alignment property.

---
 src/PhpWord/Style/NumberingLevel.php           | 2 +-
 src/PhpWord/Writer/Word2007/Part/Numbering.php | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/PhpWord/Style/NumberingLevel.php b/src/PhpWord/Style/NumberingLevel.php
index 50272a2a..91f40df2 100644
--- a/src/PhpWord/Style/NumberingLevel.php
+++ b/src/PhpWord/Style/NumberingLevel.php
@@ -85,7 +85,7 @@ class NumberingLevel extends AbstractStyle
     /**
      * @var string
      */
-    private $alignment;
+    private $alignment = '';
 
     /**
      * Left
diff --git a/src/PhpWord/Writer/Word2007/Part/Numbering.php b/src/PhpWord/Writer/Word2007/Part/Numbering.php
index 742aecc2..e7a354d5 100644
--- a/src/PhpWord/Writer/Word2007/Part/Numbering.php
+++ b/src/PhpWord/Writer/Word2007/Part/Numbering.php
@@ -114,11 +114,12 @@ class Numbering extends AbstractPart
             'pStyle'    => 'pStyle',
             'suffix'    => 'suff',
             'text'      => 'lvlText',
-            'alignment' => 'lvlJc'
+            'alignment' => 'lvlJc',
         );
         foreach ($properties as $property => $nodeName) {
             $getMethod = "get{$property}";
-            if (!is_null($level->$getMethod())) {
+            if ('' !== $level->$getMethod()         // this condition is now supported by `alignment` only
+                && !is_null($level->$getMethod())) {
                 $xmlWriter->startElement("w:{$nodeName}");
                 $xmlWriter->writeAttribute('w:val', $level->$getMethod());
                 $xmlWriter->endElement(); // w:start