> It would be awesome if they were using some sort of macro system / templating engine to consistently expand {{html_prog}} and {{html_markup}} just to keep it

> It would be awesome if they were using some sort of macro system / templating engine to consistently expand {{html_prog}} and {{html_markup}} just to keep it straight while they're writing it. You could use the <template> tag. <template id="my-macro-name"> <!-- some operations --> </template> To use it: <source src="my-macro-name"/> Using source to look familiar to bash users because why not.