SignalboxField stores the additional information signalbox needs to properly display and process questions.
..warning:: Note that some characters are stripped and used to format the question text in html – for example, text surrounded by two * characters will be italicised, and lines starting with a number and a period (e.g. “1. ”) will be turned into a numbered list.
Each of the following question classes extends the standard django form fields to allow for different types of questions: