Bug 157259 In PDF <li> effect is incorrect when page break happens.
Description: In PDF <li> effect is incorrect when page break happens. Steps to reproduce: 1. Open attached report and preview in pdf, pay attention to the first <li>text in the beginning of second page. Expected result: Correct <li> effect. Actual result: text after <li> is displayed at the second line instead of the same line as dot. See screenshot.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/util/HTML2Content.java
tag2Style.put( "code", 
				"font-family: monospace"); 
		
		tag2Style.put( "em", 
				"font-style: italic"); 
		tag2Style.put( "h1", 
			"font-size: 2em; margin-top: 0.67em; margin-bottom:0.67em; font-weight: bold; page-break-after: avoid"); 
		tag2Style.put( "h2", 
			"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",