Bug 137444 Can not preview the old file with PDF
Details: Can not preview the old file with PDF Please run the attached file with PDF, it can not preview. But HTML and web view is no problem.
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
try
								{
									String key = (String) entry.getKey( );
									Object valueObj = entry.getValue( );
									if ( valueObj != null )
									{
										String value = valueObj.toString( );
										link.append( "&" + URLEncoder.encode( key, "UTF-8" ) 
														+ "=" + URLEncoder.encode( value, "UTF-8" ) ); 
									}
								}
								catch ( UnsupportedEncodingException e )
								{
									
								}
							}
						}
					}
					
					
					link.append( "&__overwrite=true" ); 
					
					if ( hlAction.getBookmark() != null )
					{
						link.append( "&__bookmark=" ); 
						link.append( hlAction.getBookmark() );
					}
					writer.addAnnotation( new PdfAnnotation( writer,
							layoutPointX2PDF(areaX),
							layoutPointY2PDF(areaY+area.getHeight()),