TagRenderingBase anchorTag = TagRenderingBase.Factory.getRendering(TagRenderingBase.ANCHOR_TAG, request);
TagRenderingBase spanTag = TagRenderingBase.Factory.getRendering(TagRenderingBase.SPAN_TAG, request);
anchorTag.doStartTag(appender, anchorState);
spanTag.doStartTag(appender, spanState);
if(anchorCellModel.getValue() != null)
appender.append(anchorCellModel.getValue().toString());
spanTag.doEndTag(appender);