Method replace

src/main/java/wyil/lang/WyilFile.java:340–362

(T from, T to)

	}

	@Override
	public <T extends Syntactic.Item> void replace(T from, T to) {
		BitSet matches = findReachable(from, new BitSet());
		Decl.Module module = getModule();
		// Carefully remove all markers for items within that being replaced.
		Tuple<Syntactic.Marker> markers = module.getAttributes();
		ArrayList<Syntactic.Item> items = new ArrayList<>();
		//
		for(int i=0;i!=markers.size();++i) {
			Syntactic.Item marker = markers.get(i);
			for(int j=0;j!=marker.size();++j) {
				if(matches.get(marker.get(j).getIndex())) {
					// Found a match
					items.add(marker);
					break;
				}
			}
		}
		// Remove all existing markers
		module.setAttributes(markers.removeAll(items));
		// Done
		super.replace(from, to);
	}

	/**
	 * A qualified name represents a <i>fully-qualified</i> name within a