Fix missed detection of single letter part names

Fix the wrong classification of single letter part names, if the single
letter is also a stopword.

pyiso4/lexer.py

@@ -132,7 +132,7 @@ def yield_hyphenated(word: str, base_pos: int) -> Iterable[Token]:
                     yield Token(TokenType.PART, word, self.start_word)
                     was_part = self.count
                 # check if ordinal (preceded by PART)
-                elif IS_ORDINAL.match(word) and self.count == was_part + 1:
+                elif IS_ORDINAL.fullmatch(word) and self.count == was_part + 1:
                     yield Token(TokenType.ORDINAL, word, self.start_word)
                 # check if article (after ordinal, so "a" is detected as ordinal if preceded by PART)
                 elif lower_word in ARTICLES:
@@ -155,6 +155,7 @@ def yield_hyphenated(word: str, base_pos: int) -> Iterable[Token]:
             # yield the remaining symbols, if any
             if len(end_symbols) > 0:
                 yield Token(TokenType.SYMBOLS, end_symbols, self.pos - len(end_symbols))
+                was_part = self.count
 
             self.next()
 

tests/tests.tsv

@@ -43,3 +43,9 @@ Norsk Militært Tidsskrift	Nor. Mil. Tidsskr.
 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
+E.S.A. bulletin	E.S.A. bull.
+Acta Universitatis Carolinae. Iuridica	Acta Univ. Carol., Iurid.
+Physical Review. A	Phys. Rev., A
+Physical Review. D	Phys. Rev., D
+Physical Review. E	Phys. Rev., E
+Physical Review. I	Phys. Rev., I