From f201ae3a94bbe15ff1dae316c73c7ef2463dfbdf Mon Sep 17 00:00:00 2001
From: Progi1984 <progi1984@gmail.com>
Date: Sun, 17 Jan 2016 20:14:12 +0100
Subject: [PATCH] #89 : Bugfix for opening PPTX on Mac

---
 src/PhpPresentation/Writer/PowerPoint2007/Slide.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PhpPresentation/Writer/PowerPoint2007/Slide.php b/src/PhpPresentation/Writer/PowerPoint2007/Slide.php
index fb0983770..d32503c79 100644
--- a/src/PhpPresentation/Writer/PowerPoint2007/Slide.php
+++ b/src/PhpPresentation/Writer/PowerPoint2007/Slide.php
@@ -854,10 +854,10 @@ private function writeParagraphs(XMLWriter $objWriter, $paragraphs)
                         $objWriter->startElement('a:rPr');
 
                         // Bold
-                        $objWriter->writeAttribute('b', ($element->getFont()->isBold() ? 'true' : 'false'));
+                        $objWriter->writeAttribute('b', ($element->getFont()->isBold() ? '1' : '0'));
 
                         // Italic
-                        $objWriter->writeAttribute('i', ($element->getFont()->isItalic() ? 'true' : 'false'));
+                        $objWriter->writeAttribute('i', ($element->getFont()->isItalic() ? '1' : '0'));
 
                         // Strikethrough
                         $objWriter->writeAttribute('strike', ($element->getFont()->isStrikethrough() ? 'sngStrike' : 'noStrike'));