Bug 183585 [Automation][Regression] embedded image referenced in text item did not work properly in pdf
steps to reproduce: - use the attached report design - preview in pdf expected behavior: - embedded image shows actual behavior: - it showed nothing
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/util/HTML2Content.java
"font-size: 1.5em; margin-top: 0.75em; margin-bottom:0.75em; font-weight: bold; page-break-after: avoid"); 
		tag2Style.put( "h3", 
			"font-size: 1.17em; margin-top: 0.83em; margin-bottom:0.83em; font-weight: bold; page-break-after: avoid"); 
	
		tag2Style.put( "h4", 
			"font-size: 1.12em; margin-top: 1.12em; margin-bottom:1.12em; font-weight: bold; page-break-after: avoid"); 
	
		tag2Style.put( "h5", 
			"font-size: 0.83em; margin-top: 1.5em; margin-bottom:1.5em; font-weight: bold; page-break-after: avoid"); 
	
		tag2Style.put( "h6", 
			"font-size: 0.75em; margin-top: 1.67em; margin-bottom:1.67em; font-weight: bold; page-break-after: avoid"); 
		tag2Style.put( "pre", 
				"font-family: monospace; white-space: no-wrap; "); 
		tag2Style.put( "strong", 
				"font-weight: bold"); 
		tag2Style.put( "sub", 
				"vertical-align: bottom; font-size: 75%"); 
		
		tag2Style.put( "sup", 
			"vertical-align: top; font-size: 75%"); 
		tag2Style.put( "tt", 
				"font-family: monospace;"); 
		tag2Style.put( "center", 
			"text-align: center;"); 
		tag2Style.put( "i", 
			"font-style: italic;"); 
		
		tag2Style.put( "b", 
			"font-weight: bold;");