def markdown_single_text(self, catalog, cdli_number):
        """
        Prints single text in file in markdown.
       :param catalog: text ingested by cdli_corpus
       :param cdli_number: text you wish to print
       :return: output in filename.md
       """
        if cdli_number in catalog:
            pnum = catalog[cdli_number]['pnum']
            edition = catalog[cdli_number]['edition']
            metadata = '\n\t'.join(catalog[cdli_number]['metadata'])
            transliteration = '\n\t'.join(catalog[cdli_number]['transliteration'])
            normalization = '\n\t'.join(catalog[cdli_number]['normalization'])
            translation = '\n\t'.join(catalog[cdli_number]['translation'])
            m_d = """{edition}
{pnum}
---
### metadata
    {metadata}
### transliteration
    {trans}
### normalization
    {norm}
### translation
    {translation}  
""".format(pnum=pnum, edition=edition, metadata=metadata,
           trans=transliteration, norm=normalization,
           translation=translation)
            self.markdown_text = m_d
Prints single text in file in markdown.
       :param catalog: text ingested by cdli_corpus
       :param cdli_number: text you wish to print
       :return: output in filename.md