The HTML plugin allows you to format text using HTML tags. The text you write is checked to be sure it won't interfere with other websites where it might appear.
See GitHub for plugin source.
This markup uses tags enclosed in angle brackets to enclose text to be formatted. The matching end tag includes a forward slash. A few tags don't expect to be matched with end tags.
Use <b>...</b> for bold.
Use <i>...</i> for italic.
Use <h3>...</h3> for headings. By convention we use size 3.
Use <form ...> ... <input type=submit ...></form> for posts to remote services. Services are expected to respond with json for a page to be added to the lineup.
For example, this form submits an image url to a remote service as if the image had been dropped on an image transporter. See About Transport Plugin
Note: fidelity with the Transport plugin api is not required of form handlers.
We special case one action url and handle it within the plugin without transporting through a remote service.
<form action = "http://new_page/">