Are there callbacks when processing closed labels？

[ddx533534]

when label closed, I wanna do something, Is there anyway to implement it? For example:

// when encounter </div> I want to add a line break for the text
<div><span>A</span></div>

[max-heller]

I hoped TreeSink::pop() would allow this, but it doesn't seem to be called when I expect it to.

[max-heller]

Seems like #149 is asking for the same thing. https://github.com/servo/html5ever/issues/149#issuecomment-298840873 suggests pop() may be usable, but that it isn't always called

[ddx533534]

    /// Indicate that a node was popped off the stack of open elements.
    fn pop(&mut self, _node: &Self::Handle) {}

Yep, I have tried TreeSink::pop(), but it isn't called every time that encountered end tags. Maybe it wasn't designed to do that.