Preserve QWord tabs in DOCX

src/io/wordOfficeImport.test.ts

@@ -112,6 +112,23 @@ describe("wordOffice DOCX import", () => {
     ]);
   });
 
+  it("imports DOCX tabs from OOXML", async () => {
+    const blob = await exportDocxBlob("Tab.docx", '<p>Before<span data-qoffice-tab="true" style="white-space: pre;">\t</span>After</p>');
+    const file = new File([blob], "Tab.docx", {
+      type: "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+    });
+    const imported = await importDocxFile(file);
+
+    expect(imported.html).toContain('data-qoffice-tab="true"');
+    expect(htmlToWordBlocks(imported.html)).toEqual([
+      {
+        type: "paragraph",
+        text: "Before After",
+        runs: [{ text: "Before\tAfter" }]
+      }
+    ]);
+  });
+
   it("imports DOCX external hyperlinks from OOXML relationships", async () => {
     const blob = await exportDocxBlob("Hyperlink.docx", '<p>Open <a href="https://example.com/report"><strong>report</strong></a>.</p>');
     const file = new File([blob], "Hyperlink.docx", {