And you should then use XSLT to transform the docbook-generated html to Qt html. It is designed for that task, no weird Python regexes and string-splitting and indentation-tracking required. IOW, choosing the right tool for the job.
Yeah, look, it's hacky, yes, and maybe runs only with a certain setting.
But, well, you may be right, when I think a second time about this. Thanks...
XSLT is a functional programming language that leans heavily on XPath to support transformation of tree-based structures. XQuery is another in the same vein. But you can accomplish the same things using an imperative language like Python, calling into XPath for data.