1 files changed, 7 insertions, 0 deletions
diff --git a/mammoth/docx/uris.py b/mammoth/docx/uris.py
index 59f3ffe..892078e 100644
--- a/mammoth/docx/uris.py
+++ b/mammoth/docx/uris.py
@@ -3,3 +3,10 @@ def uri_to_zip_entry_name(base, uri):
         return uri[1:]
     else:
         return base + "/" + uri
+
+
+def replace_fragment(uri, fragment):
+    hash_index = uri.find("#")
+    if hash_index != -1:
+        uri = uri[:hash_index]
+    return uri + "#" + fragment