def make_seg_table(workflow, seg_files, seg_names, out_dir, tags=None,
                  title_text=None, description=None):
    """ Creates a node in the workflow for writing the segment summary
    table. Returns a File instances for the output file.
    """
    seg_files = list(seg_files)
    seg_names = list(seg_names)
    if tags is None: tags = []
    makedir(out_dir)
    node = PlotExecutable(workflow.cp, 'page_segtable', ifos=workflow.ifos,
                    out_dir=out_dir, tags=tags).create_node()
    node.add_input_list_opt('--segment-files', seg_files)
    quoted_seg_names = []
    for s in seg_names:
        quoted_seg_names.append("'" + s + "'")
    node.add_opt('--segment-names', ' '.join(quoted_seg_names))
    if description:
        node.add_opt('--description', "'" + description + "'")
    if title_text:
        node.add_opt('--title-text', "'" + title_text + "'")
    node.new_output_file_opt(workflow.analysis_time, '.html', '--output-file')
    workflow += node
    return node.output_files[0]
Creates a node in the workflow for writing the segment summary
    table. Returns a File instances for the output file.