[1] MKDoc::Text::Structured - search.cpan.org ( (2017-01-11 02:10:25 +09:00)) http://search.cpan.org/dist/MKDoc-Text-Structured/lib/MKDoc/Text/Structured.pm

[2] Plain text emails converted to HTML - SendGrid Documentation | SendGrid ( (SendGrid著, 2017-01-06 06:53:40 +09:00)) https://sendgrid.com/docs/Classroom/Build/Format_Content/plain_text_emails_converted_to_html.html