The root nodes of the DOM tree.
Optional custom name to use for the output range, defaults to _diet_output.
Output style to use.
The return value is a concatenated string with each string of raw HTML text separated by a null character. To extract the strings to send into the live renderer, split the string based on a null character.
This is like getHTMLMixin, but returns only the NON-code portions of the diet template. The usage is for the DietLiveMode, which can update the HTML portions of the diet template at runtime without requiring a recompile.