Merging upstream version 4:24.2.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 746 insertions, 9 deletions

diff --git a/vcl/qa/cppunit/filter/ipdf/ipdf.cxx b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
index dbe7ada758..ad2354b00e 100644
--- a/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
+++ b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
@@ -40,7 +40,6 @@ public:
     }
 
     void setUp() override;
-    void tearDown() override;
     uno::Reference<xml::crypto::XXMLSecurityContext>& getSecurityContext()
     {
         return mxSecurityContext;
@@ -50,19 +49,12 @@ public:
 void VclFilterIpdfTest::setUp()
 {
     UnoApiTest::setUp();
-    MacrosTest::setUpNssGpg(m_directories, "vcl_filter_ipdf");
+    MacrosTest::setUpX509(m_directories, "vcl_filter_ipdf");
 
     mxSEInitializer = xml::crypto::SEInitializer::create(mxComponentContext);
     mxSecurityContext = mxSEInitializer->createSecurityContext(OUString());
 }
 
-void VclFilterIpdfTest::tearDown()
-{
-    MacrosTest::tearDownNssGpg();
-
-    UnoApiTest::tearDown();
-}
-
 CPPUNIT_TEST_FIXTURE(VclFilterIpdfTest, testPDFAddVisibleSignatureLastPage)
 {
     // FIXME: the DPI check should be removed when either (1) the test is fixed to work with
diff --git a/vcl/qa/cppunit/pdfexport/data/LinkPages.fodt b/vcl/qa/cppunit/pdfexport/data/LinkPages.fodt
new file mode 100644
index 0000000000..50fff8bea4
--- /dev/null
+++ b/vcl/qa/cppunit/pdfexport/data/LinkPages.fodt
@@ -0,0 +1,138 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<office:document xmlns:css3t="http://www.w3.org/TR/css3-text/" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:drawooo="http://openoffice.org/2010/draw" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:rpt="http://openoffice.org/2005/report" xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:officeooo="http://openoffice.org/2009/office" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:loext="urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0" office:version="1.3" office:mimetype="application/vnd.oasis.opendocument.text">
+ <office:meta><meta:creation-date>2024-01-23T14:35:36.080290286</meta:creation-date><dc:date>2024-01-24T17:29:01.312633690</dc:date><meta:editing-duration>PT25M37S</meta:editing-duration><meta:editing-cycles>6</meta:editing-cycles><meta:generator>LibreOfficeDev/24.8.0.0.alpha0$Linux_X86_64 LibreOffice_project/7ec73fbe5f902e790d437f0130e85c162b99b232</meta:generator><meta:print-date>2024-01-24T17:28:41.712753252</meta:print-date><meta:printed-by>PDF files</meta:printed-by><dc:title>test file</dc:title><meta:document-statistic meta:table-count="0" meta:image-count="0" meta:object-count="0" meta:page-count="4" meta:paragraph-count="2" meta:word-count="5" meta:character-count="27" meta:non-whitespace-character-count="24"/></office:meta>
+ <office:font-face-decls>
+  <style:font-face style:name="Liberation Sans" svg:font-family="'Liberation Sans'" style:font-family-generic="swiss" style:font-pitch="variable"/>
+  <style:font-face style:name="Liberation Serif" svg:font-family="'Liberation Serif'" style:font-family-generic="roman" style:font-pitch="variable"/>
+  <style:font-face style:name="Noto Sans CJK SC" svg:font-family="'Noto Sans CJK SC'" style:font-family-generic="system" style:font-pitch="variable"/>
+  <style:font-face style:name="Noto Sans1" svg:font-family="'Noto Sans'" style:font-family-generic="system" style:font-pitch="variable"/>
+  <style:font-face style:name="Noto Serif CJK SC" svg:font-family="'Noto Serif CJK SC'" style:font-family-generic="system" style:font-pitch="variable"/>
+ </office:font-face-decls>
+ <office:styles>
+  <style:default-style style:family="graphic">
+   <style:graphic-properties svg:stroke-color="#3465a4" draw:fill-color="#729fcf" fo:wrap-option="no-wrap" draw:shadow-offset-x="0.3cm" draw:shadow-offset-y="0.3cm" draw:start-line-spacing-horizontal="0.283cm" draw:start-line-spacing-vertical="0.283cm" draw:end-line-spacing-horizontal="0.283cm" draw:end-line-spacing-vertical="0.283cm" style:writing-mode="lr-tb" style:flow-with-text="false"/>
+   <style:paragraph-properties style:text-autospace="ideograph-alpha" style:line-break="strict" loext:tab-stop-distance="0cm" style:font-independent-line-spacing="false">
+    <style:tab-stops/>
+   </style:paragraph-properties>
+   <style:text-properties style:use-window-font-color="true" loext:opacity="0%" style:font-name="Liberation Serif" fo:font-size="12pt" fo:language="de" fo:country="DE" style:letter-kerning="true" style:font-name-asian="Noto Serif CJK SC" style:font-size-asian="10.5pt" style:language-asian="zh" style:country-asian="CN" style:font-name-complex="Noto Sans1" style:font-size-complex="12pt" style:language-complex="hi" style:country-complex="IN"/>
+  </style:default-style>
+  <style:default-style style:family="paragraph">
+   <style:paragraph-properties fo:orphans="2" fo:widows="2" fo:hyphenation-ladder-count="no-limit" style:text-autospace="ideograph-alpha" style:punctuation-wrap="hanging" style:line-break="strict" style:tab-stop-distance="1.251cm" style:writing-mode="page"/>
+   <style:text-properties style:use-window-font-color="true" loext:opacity="0%" style:font-name="Liberation Serif" fo:font-size="12pt" fo:language="de" fo:country="DE" style:letter-kerning="true" style:font-name-asian="Noto Serif CJK SC" style:font-size-asian="10.5pt" style:language-asian="zh" style:country-asian="CN" style:font-name-complex="Noto Sans1" style:font-size-complex="12pt" style:language-complex="hi" style:country-complex="IN" fo:hyphenate="false" fo:hyphenation-remain-char-count="2" fo:hyphenation-push-char-count="2" loext:hyphenation-no-caps="false" loext:hyphenation-no-last-word="false" loext:hyphenation-word-char-count="5" loext:hyphenation-zone="no-limit"/>
+  </style:default-style>
+  <style:default-style style:family="table">
+   <style:table-properties table:border-model="collapsing"/>
+  </style:default-style>
+  <style:default-style style:family="table-row">
+   <style:table-row-properties fo:keep-together="auto"/>
+  </style:default-style>
+  <style:style style:name="Standard" style:family="paragraph" style:class="text"/>
+  <style:style style:name="Heading" style:family="paragraph" style:parent-style-name="Standard" style:next-style-name="Text_20_body" style:class="text">
+   <style:paragraph-properties fo:margin-top="0.423cm" fo:margin-bottom="0.212cm" style:contextual-spacing="false" fo:keep-with-next="always"/>
+   <style:text-properties style:font-name="Liberation Sans" fo:font-family="'Liberation Sans'" style:font-family-generic="swiss" style:font-pitch="variable" fo:font-size="14pt" style:font-name-asian="Noto Sans CJK SC" style:font-family-asian="'Noto Sans CJK SC'" style:font-family-generic-asian="system" style:font-pitch-asian="variable" style:font-size-asian="14pt" style:font-name-complex="Noto Sans1" style:font-family-complex="'Noto Sans'" style:font-family-generic-complex="system" style:font-pitch-complex="variable" style:font-size-complex="14pt"/>
+  </style:style>
+  <style:style style:name="Text_20_body" style:display-name="Text body" style:family="paragraph" style:parent-style-name="Standard" style:class="text">
+   <style:paragraph-properties fo:margin-top="0cm" fo:margin-bottom="0.247cm" style:contextual-spacing="false" fo:line-height="115%"/>
+  </style:style>
+  <style:style style:name="Heading_20_1" style:display-name="Heading 1" style:family="paragraph" style:parent-style-name="Heading" style:next-style-name="Text_20_body" style:default-outline-level="1" style:class="text">
+   <style:paragraph-properties fo:margin-top="0.423cm" fo:margin-bottom="0.212cm" style:contextual-spacing="false"/>
+   <style:text-properties fo:font-size="18pt" fo:font-weight="bold" style:font-size-asian="18pt" style:font-weight-asian="bold" style:font-size-complex="18pt" style:font-weight-complex="bold"/>
+  </style:style>
+  <style:style style:name="Internet_20_link" style:display-name="Internet link" style:family="text">
+   <style:text-properties fo:color="#000080" loext:opacity="100%" style:text-underline-style="solid" style:text-underline-width="auto" style:text-underline-color="font-color"/>
+  </style:style>
+  <text:outline-style style:name="Outline">
+   <text:outline-level-style text:level="1" loext:num-list-format="%1%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="2" loext:num-list-format="%2%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="3" loext:num-list-format="%3%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="4" loext:num-list-format="%4%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="5" loext:num-list-format="%5%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="6" loext:num-list-format="%6%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="7" loext:num-list-format="%7%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="8" loext:num-list-format="%8%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="9" loext:num-list-format="%9%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+   <text:outline-level-style text:level="10" loext:num-list-format="%10%" style:num-format="">
+    <style:list-level-properties text:list-level-position-and-space-mode="label-alignment">
+     <style:list-level-label-alignment text:label-followed-by="listtab"/>
+    </style:list-level-properties>
+   </text:outline-level-style>
+  </text:outline-style>
+  <text:notes-configuration text:note-class="footnote" style:num-format="1" text:start-value="0" text:footnotes-position="page" text:start-numbering-at="document"/>
+  <text:notes-configuration text:note-class="endnote" style:num-format="i" text:start-value="0"/>
+  <text:linenumbering-configuration text:number-lines="false" text:offset="0.499cm" style:num-format="1" text:number-position="left" text:increment="5"/>
+  </office:styles>
+ <office:automatic-styles>
+  <style:style style:name="P3" style:family="paragraph" style:parent-style-name="Heading_20_1" style:master-page-name="">
+   <style:paragraph-properties fo:orphans="0" fo:widows="0" style:page-number="auto"/>
+   <style:text-properties/>
+  </style:style>
+  <style:style style:name="T4" style:family="text">
+   <style:text-properties fo:font-size="96pt" style:font-size-asian="96pt" style:font-size-complex="96pt"/>
+  </style:style>
+  <style:style style:name="T6" style:family="text">
+   <style:text-properties fo:font-size="96pt" style:font-size-asian="96pt" style:font-size-complex="96pt"/>
+  </style:style>
+  <style:page-layout style:name="pm1">
+   <style:page-layout-properties fo:page-width="10.5cm" fo:page-height="14.801cm" style:num-format="1" style:print-orientation="portrait" fo:margin-top="2cm" fo:margin-bottom="2cm" fo:margin-left="2cm" fo:margin-right="2cm" style:writing-mode="lr-tb" style:layout-grid-color="#c0c0c0" style:layout-grid-lines="20" style:layout-grid-base-height="0.706cm" style:layout-grid-ruby-height="0.353cm" style:layout-grid-mode="none" style:layout-grid-ruby-below="false" style:layout-grid-print="false" style:layout-grid-display="false" style:footnote-max-height="0cm" loext:margin-gutter="0cm">
+    <style:footnote-sep style:width="0.018cm" style:distance-before-sep="0.101cm" style:distance-after-sep="0.101cm" style:line-style="solid" style:adjustment="left" style:rel-width="25%" style:color="#000000"/>
+   </style:page-layout-properties>
+   <style:header-style/>
+   <style:footer-style/>
+  </style:page-layout>
+  <style:style style:name="dp1" style:family="drawing-page">
+   <style:drawing-page-properties draw:background-size="full"/>
+  </style:style>
+ </office:automatic-styles>
+ <office:master-styles>
+  <style:master-page style:name="Standard" style:page-layout-name="pm1" draw:style-name="dp1"/>
+  </office:master-styles>
+ <office:body>
+  <office:text text:use-soft-page-breaks="true">
+   <text:sequence-decls>
+    <text:sequence-decl text:display-outline-level="0" text:name="Illustration"/>
+    <text:sequence-decl text:display-outline-level="0" text:name="Table"/>
+    <text:sequence-decl text:display-outline-level="0" text:name="Text"/>
+    <text:sequence-decl text:display-outline-level="0" text:name="Drawing"/>
+    <text:sequence-decl text:display-outline-level="0" text:name="Figure"/>
+   </text:sequence-decls>
+   <text:h text:style-name="P3" text:outline-level="1"><text:a xlink:type="simple" xlink:href="http://example.com/" text:style-name="Internet_20_link" text:visited-style-name="Visited_20_Internet_20_Link"><text:bookmark-start text:name="__RefHeading___Toc17_3815242785"/><text:span text:style-name="T6">foo foo </text:span><text:soft-page-break/><text:span text:style-name="T6">foo foo</text:span></text:a><text:bookmark-end text:name="__RefHeading___Toc17_3815242785"/></text:h>
+   <text:p text:style-name="Text_20_body"><text:soft-page-break/><text:span text:style-name="T4"><text:bookmark-ref text:reference-format="text" text:ref-name="__RefHeading___Toc17_3815242785">foo foo foo foo</text:bookmark-ref></text:span><text:soft-page-break/></text:p>
+  </office:text>
+ </office:body>
+</office:document>
\ No newline at end of file
diff --git a/vcl/qa/cppunit/pdfexport/pdfexport.cxx b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
index d5515facb5..d362a38553 100644
--- a/vcl/qa/cppunit/pdfexport/pdfexport.cxx
+++ b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
@@ -2740,6 +2740,613 @@ CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf157816Link)
     CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), pAnnots->GetElements().size());
 }
 
+CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf142806)
+{
+    aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");
+
+    // Enable PDF/UA
+    uno::Sequence<beans::PropertyValue> aFilterData(
+        comphelper::InitPropertySequence({ { "PDFUACompliance", uno::Any(true) } }));
+    aMediaDescriptor["FilterData"] <<= aFilterData;
+    saveAsPDF(u"LinkPages.fodt");
+
+    vcl::filter::PDFDocument aDocument;
+    SvFileStream aStream(maTempFile.GetURL(), StreamMode::READ);
+    CPPUNIT_ASSERT(aDocument.Read(aStream));
+
+    std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), aPages.size());
+
+    vcl::filter::PDFObjectElement* pDocument(nullptr);
+    for (const auto& rDocElement : aDocument.GetElements())
+    {
+        auto pObject1 = dynamic_cast<vcl::filter::PDFObjectElement*>(rDocElement.get());
+        if (!pObject1)
+            continue;
+        auto pType1 = dynamic_cast<vcl::filter::PDFNameElement*>(pObject1->Lookup("Type"_ostr));
+        if (pType1 && pType1->GetValue() == "StructElem")
+        {
+            auto pS1 = dynamic_cast<vcl::filter::PDFNameElement*>(pObject1->Lookup("S"_ostr));
+            if (pS1 && pS1->GetValue() == "Document")
+            {
+                pDocument = pObject1;
+            }
+        }
+    }
+    CPPUNIT_ASSERT(pDocument);
+
+    auto pKidsD = dynamic_cast<vcl::filter::PDFArrayElement*>(pDocument->Lookup("K"_ostr));
+    CPPUNIT_ASSERT(pKidsD);
+    // assume there are no MCID ref at this level
+    auto pKidsDv = pKidsD->GetElements();
+    auto pRefKidD0 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsDv[0]);
+    CPPUNIT_ASSERT(pRefKidD0);
+    auto pObjectD0 = pRefKidD0->LookupObject();
+    CPPUNIT_ASSERT(pObjectD0);
+    auto pTypeD0 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD0->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD0->GetValue());
+    auto pSD0 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD0->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("H1"_ostr, pSD0->GetValue());
+
+    auto pKidsD0 = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD0->Lookup("K"_ostr));
+    CPPUNIT_ASSERT(pKidsD0);
+    auto pKidsD0v = pKidsD0->GetElements();
+
+    auto pRefKidD00 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD0v[0]);
+    CPPUNIT_ASSERT(pRefKidD00);
+    auto pObjectD00 = pRefKidD00->LookupObject();
+    CPPUNIT_ASSERT(pObjectD00);
+    auto pTypeD00 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD00->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD00->GetValue());
+    auto pSD00 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD00->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD00->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD00->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.693, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(240.455, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(350.855, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD01 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD0v[1]);
+    CPPUNIT_ASSERT(pRefKidD01);
+    auto pObjectD01 = pRefKidD01->LookupObject();
+    CPPUNIT_ASSERT(pObjectD01);
+    auto pTypeD01 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD01->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD01->GetValue());
+    auto pSD01 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD01->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD01->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD01->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(130.055, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(240.455, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD02 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD0v[2]);
+    CPPUNIT_ASSERT(pRefKidD02);
+    auto pObjectD02 = pRefKidD02->LookupObject();
+    CPPUNIT_ASSERT(pObjectD02);
+    auto pTypeD02 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD02->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD02->GetValue());
+    auto pSD02 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD02->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD02->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD02->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(362.855, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD03 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD0v[3]);
+    CPPUNIT_ASSERT(pRefKidD03);
+    auto pObjectD03 = pRefKidD03->LookupObject();
+    CPPUNIT_ASSERT(pObjectD03);
+    auto pTypeD03 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD03->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD03->GetValue());
+    auto pSD03 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD03->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD03->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD03->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(142.055, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(206.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+    auto pRefKidD1 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsDv[1]);
+    CPPUNIT_ASSERT(pRefKidD1);
+    auto pObjectD1 = pRefKidD1->LookupObject();
+    CPPUNIT_ASSERT(pObjectD1);
+    auto pTypeD1 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD1->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD1->GetValue());
+    auto pSD1 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD1->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Text#20body"_ostr, pSD1->GetValue());
+
+    auto pKidsD1 = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD1->Lookup("K"_ostr));
+    CPPUNIT_ASSERT(pKidsD1);
+    auto pKidsD1v = pKidsD1->GetElements();
+
+    auto pRefKidD10 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD1v[0]);
+    CPPUNIT_ASSERT(pRefKidD10);
+    auto pObjectD10 = pRefKidD10->LookupObject();
+    CPPUNIT_ASSERT(pObjectD10);
+    auto pTypeD10 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD10->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD10->GetValue());
+    auto pSD10 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD10->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD10->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD10->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.693, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(362.855, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD11 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD1v[1]);
+    CPPUNIT_ASSERT(pRefKidD11);
+    auto pObjectD11 = pRefKidD11->LookupObject();
+    CPPUNIT_ASSERT(pObjectD11);
+    auto pTypeD11 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD11->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD11->GetValue());
+    auto pSD11 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD11->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD11->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD11->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(140.005, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD12 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD1v[2]);
+    CPPUNIT_ASSERT(pRefKidD12);
+    auto pObjectD12 = pRefKidD12->LookupObject();
+    CPPUNIT_ASSERT(pObjectD12);
+    auto pTypeD12 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD12->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD12->GetValue());
+    auto pSD12 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD12->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD12->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD12->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(241.007, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(362.855, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    auto pRefKidD13 = dynamic_cast<vcl::filter::PDFReferenceElement*>(pKidsD1v[3]);
+    CPPUNIT_ASSERT(pRefKidD13);
+    auto pObjectD13 = pRefKidD13->LookupObject();
+    CPPUNIT_ASSERT(pObjectD13);
+    auto pTypeD13 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD13->Lookup("Type"_ostr));
+    CPPUNIT_ASSERT_EQUAL("StructElem"_ostr, pTypeD13->GetValue());
+    auto pSD13 = dynamic_cast<vcl::filter::PDFNameElement*>(pObjectD13->Lookup("S"_ostr));
+    CPPUNIT_ASSERT_EQUAL("Link"_ostr, pSD13->GetValue());
+    {
+        auto pKids = dynamic_cast<vcl::filter::PDFArrayElement*>(pObjectD13->Lookup("K"_ostr));
+        auto nMCID(0);
+        auto nRef(0);
+        for (size_t i = 0; i < pKids->GetElements().size(); ++i)
+        {
+            auto pNum = dynamic_cast<vcl::filter::PDFNumberElement*>(pKids->GetElement(i));
+            auto pObjR = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pKids->GetElement(i));
+            if (pNum)
+            {
+                ++nMCID;
+            }
+            if (pObjR)
+            {
+                ++nRef;
+                auto pOType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pObjR->LookupElement("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("OBJR"_ostr, pOType->GetValue());
+                auto pAnnotRef = dynamic_cast<vcl::filter::PDFReferenceElement*>(
+                    pObjR->LookupElement("Obj"_ostr));
+                auto pAnnot = pAnnotRef->LookupObject();
+                auto pAType
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Type"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Annot"_ostr, pAType->GetValue());
+                auto pASubtype
+                    = dynamic_cast<vcl::filter::PDFNameElement*>(pAnnot->Lookup("Subtype"_ostr));
+                CPPUNIT_ASSERT_EQUAL("Link"_ostr, pASubtype->GetValue());
+                auto pAContents = dynamic_cast<vcl::filter::PDFHexStringElement*>(
+                    pAnnot->Lookup("Contents"_ostr));
+                CPPUNIT_ASSERT_EQUAL(
+                    u"foo foo foo foo"_ustr,
+                    ::vcl::filter::PDFDocument::DecodeHexStringUTF16BE(*pAContents));
+                auto pStructParent = dynamic_cast<vcl::filter::PDFNumberElement*>(
+                    pAnnot->Lookup("StructParent"_ostr));
+                CPPUNIT_ASSERT(pStructParent); // every link must have it!
+                auto pARect
+                    = dynamic_cast<vcl::filter::PDFArrayElement*>(pAnnot->Lookup("Rect"_ostr));
+                CPPUNIT_ASSERT(pARect);
+                const auto& rElements = pARect->GetElements();
+                CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(4), rElements.size());
+                const auto* pNumL = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[0]);
+                CPPUNIT_ASSERT(pNumL);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(56.643, pNumL->GetValue(), 1e-3);
+                const auto* pNumT = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[1]);
+                CPPUNIT_ASSERT(pNumT);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(140.005, pNumT->GetValue(), 1e-3);
+                const auto* pNumR = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[2]);
+                CPPUNIT_ASSERT(pNumR);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(184.707, pNumR->GetValue(), 1e-3);
+                const auto* pNumB = dynamic_cast<vcl::filter::PDFNumberElement*>(rElements[3]);
+                CPPUNIT_ASSERT(pNumB);
+                CPPUNIT_ASSERT_DOUBLES_EQUAL(252.455, pNumB->GetValue(), 1e-3);
+            }
+        }
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nMCID)>(1), nMCID);
+        CPPUNIT_ASSERT_EQUAL(static_cast<decltype(nRef)>(1), nRef);
+    }
+
+    // the problem was that the links in follow frames were all missing
+    auto pAnnots0 = dynamic_cast<vcl::filter::PDFArrayElement*>(aPages[0]->Lookup("Annots"_ostr));
+    CPPUNIT_ASSERT(pAnnots0);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), pAnnots0->GetElements().size());
+    auto pAnnots1 = dynamic_cast<vcl::filter::PDFArrayElement*>(aPages[1]->Lookup("Annots"_ostr));
+    CPPUNIT_ASSERT(pAnnots1);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), pAnnots1->GetElements().size());
+    auto pAnnots2 = dynamic_cast<vcl::filter::PDFArrayElement*>(aPages[2]->Lookup("Annots"_ostr));
+    CPPUNIT_ASSERT(pAnnots2);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), pAnnots2->GetElements().size());
+    auto pAnnots3 = dynamic_cast<vcl::filter::PDFArrayElement*>(aPages[3]->Lookup("Annots"_ostr));
+    CPPUNIT_ASSERT(pAnnots3);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), pAnnots3->GetElements().size());
+}
+
 CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf115967)
 {
     aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");