Changes in rdfs:label do not get reflected in changes

[cmungall]

t1.owl

```owl

<!-- 
///////////////////////////////////////////////////////////////////////////////////////
//
// Annotation properties
//
///////////////////////////////////////////////////////////////////////////////////////
 -->




<!-- http://www.geneontology.org/formats/oboInOwl#id -->

<owl:AnnotationProperty rdf:about="http://www.geneontology.org/formats/oboInOwl#id">
    <rdfs:label>id</rdfs:label>
</owl:AnnotationProperty>



<!-- http://www.w3.org/2000/01/rdf-schema#label -->

<owl:AnnotationProperty rdf:about="http://www.w3.org/2000/01/rdf-schema#label"/>



<!-- 
///////////////////////////////////////////////////////////////////////////////////////
//
// Classes
//
///////////////////////////////////////////////////////////////////////////////////////
 -->




<!-- http://purl.obolibrary.org/obo/X_1 -->

<owl:Class rdf:about="http://purl.obolibrary.org/obo/X_1">
    <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/X_2"/>
    <oboInOwl:id>X:1</oboInOwl:id>
    <rdfs:label>foo</rdfs:label>
</owl:Class>



<!-- http://purl.obolibrary.org/obo/X_2 -->

<owl:Class rdf:about="http://purl.obolibrary.org/obo/X_2">
    <oboInOwl:id>X:2</oboInOwl:id>
</owl:Class>



<!-- http://purl.obolibrary.org/obo/X_3 -->

<owl:Class rdf:about="http://purl.obolibrary.org/obo/X_3">
    <oboInOwl:id>X:3</oboInOwl:id>
</owl:Class>

</rdf:RDF>

</details>

t1.owl
<details>
```owl
<?xml version="1.0"?>
<rdf:RDF xmlns="http://purl.obolibrary.org/obo/TEMP#"
     xml:base="http://purl.obolibrary.org/obo/TEMP"
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:xml="http://www.w3.org/XML/1998/namespace"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:oboInOwl="http://www.geneontology.org/formats/oboInOwl#">
    <owl:Ontology rdf:about="http://purl.obolibrary.org/obo/TEMP"/>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Annotation properties
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    


    <!-- http://www.geneontology.org/formats/oboInOwl#id -->

    <owl:AnnotationProperty rdf:about="http://www.geneontology.org/formats/oboInOwl#id">
        <rdfs:label>id</rdfs:label>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2000/01/rdf-schema#label -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2000/01/rdf-schema#label"/>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Classes
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    


    <!-- http://purl.obolibrary.org/obo/X_1 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/X_1">
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/X_3"/>
        <oboInOwl:id>X:1</oboInOwl:id>
        <rdfs:label>bar</rdfs:label>
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/X_2 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/X_2">
        <oboInOwl:id>X:2</oboInOwl:id>
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/X_3 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/X_3">
        <oboInOwl:id>X:3</oboInOwl:id>
    </owl:Class>
</rdf:RDF>



<!-- Generated by the OWL API (version 4.5.29) https://github.com/owlcs/owlapi -->

java -jar target/ContoDiff-1.0-SNAPSHOT.jar -d -o changes.txt -oa t1.owl -ob t2.owl && cat changes.txt

yields

 move X_1 is_a X_2 X_3

which is the correct interpretation of the logical axioms but maybe the annotation assertions are ignored? It seems from the paper they should be included?