Method handle_pseudo_scripts

src/canonicalize.rs:2163–2214

(mrow: Element)

		}

		fn handle_pseudo_scripts(mrow: Element) -> Element {
			// from https://www.w3.org/TR/MathML3/chapter7.html#chars.pseudo-scripts
			static PSEUDO_SCRIPTS: phf::Set<&str> = phf_set! {
				"\"", "'", "*", "`", "ª", "°", "²", "³", "´", "¹", "º",
				"‘", "’", "“", "”", "„", "‟",
				"′", "″", "‴", "‵", "‶", "‷", "⁗",
			};
	
			let mut children = mrow.children();
			// check to see if mrow of all psuedo scripts
			if children.iter().all(|&child| {
				let child = as_element(child);
				name(&child) == "mo" && PSEUDO_SCRIPTS.contains(as_text(child))
			}) {
				let parent = mrow.parent().unwrap().element().unwrap();  // must exist
				let is_first_child = mrow.preceding_siblings().is_empty();
				if  is_first_child {
					return mrow;	// FIX: what should happen
				}
				if crate::xpath_functions::IsNode::is_scripted(&parent) {
					return mrow;		// already in a script position
				}
				if name(&parent) == "mrow" {
					mrow.set_attribute_value("data-pseudo-script", "true");
					return handle_pseudo_scripts(parent);
				} else {
					return mrow;	// FIX: what should happen?
				}
			}

			let mut i = 1;
			let mut found = false;
			while i < children.len() {
				let child = as_element(children[i]);
				if (name(&child) == "mo" && PSEUDO_SCRIPTS.contains(as_text(child))) ||
				   child.attribute("data-pseudo-script").is_some() {
					let msup = create_mathml_element(&child.document(), "msup");
					msup.set_attribute_value(CHANGED_ATTR, ADDED_ATTR_VALUE);
					msup.append_child(children[i-1]);
					msup.append_child(child);
					children[i-1] = ChildOfElement::Element(msup);
					children.remove(i);
					found = true;
				} else {
					i += 1;
				}
			}
			if found {
				mrow.replace_children(children)
			}
			return mrow;
		}

		fn handle_convert_to_mmultiscripts(children: &mut Vec<ChildOfElement>) {
  			let mut i = 0;