Port fix for denormalizing quotation marks in an invalid chapter

machine/punctuation_analysis/quotation_mark_update_settings.py

@@ -12,6 +12,6 @@ def __init__(
         self._chapter_strategies = chapter_strategies
 
     def get_action_for_chapter(self, chapter_number: int) -> QuotationMarkUpdateStrategy:
-        if chapter_number <= len(self._chapter_strategies):
+        if chapter_number > -1 and chapter_number <= len(self._chapter_strategies):
             return self._chapter_strategies[chapter_number - 1]
         return self._default_chapter_strategy

machine/scripture/verse_ref.py

@@ -592,7 +592,7 @@ def _get_verse_num(verse: Optional[str]) -> Tuple[bool, int]:
 
 class IgnoreSegmentsVerseRef(VerseRef):
     def __init__(self, verse_ref: VerseRef):
-        super().__init__(verse_ref.book_num, verse_ref.chapter_num, verse_ref.verse_num, verse_ref.versification)
+        super().__init__(verse_ref.book_num, verse_ref.chapter, verse_ref.verse_num, verse_ref.versification)
 
     def __eq__(self, other):
         if not isinstance(other, VerseRef):

tests/punctuation_analysis/test_quote_convention_changing_usfm_block_update_handler.py

@@ -775,6 +775,27 @@ def test_start_new_chapter() -> None:
     assert quote_convention_changer._current_strategy == QuotationMarkUpdateStrategy.APPLY_FALLBACK
 
 
+def test_invalid_chapter_number() -> None:
+    input_usfm = """\\c 1
+    \\p
+    \\v 1 Chapter 1, "Verse 1"
+    \\c 2.
+    \\p
+    \\v v1 Chapter 2, "Invalid Verse 1"
+    """
+    expected_usfm = (
+        "\\c 1\n"
+        + "\\p\n"
+        + "\\v 1 Chapter 1, “Verse 1”\n"
+        + "\\c 2.\n"
+        + "\\p\n"
+        + "\\v v1 Chapter 2, “Invalid Verse 1”"
+    )
+
+    observed_usfm = change_quotation_marks(input_usfm, "typewriter_english", "standard_english")
+    assert_usfm_equal(observed_usfm, expected_usfm)
+
+
 def change_quotation_marks(
     normalized_usfm: str,
     source_quote_convention_name: str,