public void functionModifierChanged(AddressSetView set) {
		if (!ignoreChanges && set != null && !set.isEmpty()) {
			functionModifierChangedTasks.notifyAdded(set);
		}
	}
Identify external addresses which need to be analyzed
NOTE: This is a convenience method for blockAdded
@param extAddr external address or null for all externals
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/AutoAnalysisManager.java