Fix IndexError when abbrv is longer than original

In some cases, there is a mismatch between abbreviation and original,
where a dot is added to an unabbreviated word, e.g., "Control".
If this occurs, the dot is removed and the abbreviation is reduced to
the length of the original word.

pyiso4/ltwa.py

@@ -177,6 +177,9 @@ def match_capitalization_and_diacritic(abbrv: str, original: str) -> str:
         """Matches the capitalization and diacritics of the `original` word, as long as they are similar
         """
 
+        if len(abbrv) > len(original):
+            abbrv = abbrv[:len(original)]
+
         normalized_abbrv = list(normalize(abbrv, Level.SOFT))
         for i, c in enumerate(normalized_abbrv):
             unided = unidecode(original[i])

tests/tests.tsv

@@ -40,4 +40,6 @@ Zeitschrift des Deutschen Palästina-Vereins	Z. Dtsch. Paläst.-Ver.
 International Journal of e-Collaboration	Int. J. e-Collab.
 Proceedings of A. Razmadze Mathematical Institute	Proc. A. Razmadze Math. Inst.
 Norsk Militært Tidsskrift	Nor. Mil. Tidsskr.
-Proceedings of the 2024 Conference on Science	Proc. 2024 Conf. Sci.
+Proceedings of the 2024 Conference on Science	Proc. 2024 Conf. Sci.
+IEEE Power and Energy Magazine	IEEE Power Energy Mag.
+IEEE Transactions on Automatic Control	IEEE Trans. Autom. Control