Bug 315050 [Automation][Regression]Image size is different from golden file when preview as xls
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/layout/ExcelLayoutEngine.java
return Math.min( end, maxCol );
	}
	/**
	 * @param data
	 * @param hyperLink
	 */
	private void setLinkedBookmark( SheetData data, HyperlinkDef hyperLink )
	{
		String bookmarkName = hyperLink.getUrl( );
		BookmarkDef linkedBookmark = bookmarkList
				.get( bookmarkName );
		if ( linkedBookmark != null )
		{
			data.setLinkedBookmark( linkedBookmark );
		}
		else
		{
			BookmarkDef newBookmark;
			if ( ExcelUtil.isValidBookmarkName( bookmarkName ) )
				newBookmark = new BookmarkDef( bookmarkName );
			else
			{
				String generateBookmarkName = getGenerateBookmark( bookmarkName );
				newBookmark = new BookmarkDef(
						generateBookmarkName );
				cachedBookmarks.put( bookmarkName,
						generateBookmarkName );
			}
			data.setLinkedBookmark( newBookmark );
		}