def make_one(self, binder, content):
<EOL>metadata = [x.metadata.copy()<EOL>for x in cnxepub.flatten_to_documents(binder)][<NUM_LIT:0>]<EOL>del metadata['<STR_LIT>']<EOL>del metadata['<STR_LIT:version>']<EOL>metadata['<STR_LIT:title>'] = "<STR_LIT>"<EOL>publisher = [p['<STR_LIT:id>'] for p in metadata['<STR_LIT>']][<NUM_LIT:0>]<EOL>message = "<STR_LIT>"<EOL>composite_doc = cnxepub.CompositeDocument(None, content, metadata)<EOL>return publisher, message, composite_doc<EOL>
Given a binder and content, make a composite document for that
        binder. Returns publisher, message and CompositeDocument instance.