private void updateHighlightColor(ClangToken t) {

		if (isRebuilding) {
			return;
		}

		// set the color to the current combined value of all highlight types
		Color combinedColor = getCombinedColor(t);
		t.setHighlight(combinedColor);
	}
Adds the given secondary highlighter, but does not create any highlights.  All secondary
highlighters pertain to a given function.
@param function the function
@param highlighter the highlighter
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/ClangHighlightController.java