private String getVertexRenderedLabel(AttributedVertex v) {
		String displayName = v.getName();
		if (StringUtils.isBlank(displayName)) {
			displayName = v.getId();
		}
		return HTMLUtilities.toLiteralHTML(displayName, 80);
	}
Handles the rendering of graphs for the {@link DefaultGraphDisplay}
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphRenderer.java