Bug 182873 JS error when use birt:paramDef with special parameter name.[0603]
Description: Javascript error when use birt:paramDef tag with special parameter name. Build number:2.2.0.v200704180630 Steps to reproduce: Prerequisite: New a report with a report parameter with name ~`!@#$%^&*()-=_+\][{}|';:"/,<>? 1. New a jsp file from BIRT tag template in BIRT Web Project. 2. Input below content in body: <birt:parameterPage id="0" name="customparameterpage" reportDesign="report/customJspTagParamDefName.rptdesign" isCustom="true"> <birt:paramDef id="1" name="~`!@#$%^&*()-=_+\][{}|';:/,?"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Run the jsp file. Expected result: Value can be passed to report. Actual result: Javascript error. A runtime error has accurred... Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
private Locale locale;
	/**
	 * Current parameter format pattern
	 */
	private String pattern;
	/**
	 * value string
	 */
	private String valueString;
	/**
	 * display text string
	 */
	private String displayTextString;
	/**
	 * parameter group object name
	 */
	private String groupObjName;
	/**
	 * Whether imported js/style files
	 */
	private static final String IMPORT_FILES_ATTR = "IMPORT_FILES_FLAG"; 
	/**
	 * Initialize pageContext
	 * 
	 * @see javax.servlet.jsp.tagext.TagSupport#setPageContext(javax.servlet.jsp.PageContext)
	 */
	public void setPageContext( PageContext context )
	{
		super.setPageContext( context );
		param = new ParamDefField( );