Preserve QWord strikethrough formatting

src/io/wordOfficeImport.test.ts

@@ -74,4 +74,21 @@ describe("wordOffice DOCX import", () => {
       }
     ]);
   });
+
+  it("imports DOCX strikethrough from OOXML", async () => {
+    const blob = await exportDocxBlob("Strike.docx", "<p><s>Deleted text</s></p>");
+    const file = new File([blob], "Strike.docx", {
+      type: "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+    });
+    const imported = await importDocxFile(file);
+
+    expect(imported.html).toContain("<s>Deleted text</s>");
+    expect(htmlToWordBlocks(imported.html)).toEqual([
+      {
+        type: "paragraph",
+        text: "Deleted text",
+        runs: [{ text: "Deleted text", strike: true }]
+      }
+    ]);
+  });
 });