Fix Macron Issue in Latin Syllabifier

.gitignore

@@ -58,4 +58,7 @@ _templates
 *.ipynb
 
 # VSCode folder
-.vscode/*
+.vscode/*
+
+# cache
+.cache

cltk/stem/latin/syllabifier.py

@@ -27,6 +27,7 @@
          'vowels': [
              "a", "e", "i", "o", "u",
              "á", "é", "í", "ó", "ú",
+             "ā", "ē", "ī", "ō", "ū",
              "æ", "œ",
              "ǽ",  # no accented œ in unicode?
              "y"

cltk/tests/test_stem.py

@@ -201,6 +201,19 @@ def test_latin_syllabifier(self):
         syllables = syllabifier.syllabify(word)
         target = ['si', 'de', 're']
         self.assertEqual(syllables, target)
+        # tests for macronized words
+        macronized_word = 'audītū'
+        macronized_syllables = syllabifier.syllabify(macronized_word)
+        macronized_target = ['au', 'dī', 'tū']
+        self.assertEqual(macronized_syllables, macronized_target)
+        macronized_word2 = 'conjiciō'
+        macronized_syllables2 = syllabifier.syllabify(macronized_word2)
+        macronized_target2 = ['con', 'ji', 'ci', 'ō']
+        self.assertEqual(macronized_syllables2, macronized_target2)
+        macronized_word3 = 'ā'
+        macronized_syllables3 = syllabifier.syllabify(macronized_word3)
+        macronized_target3 = ['ā']
+        self.assertEqual(macronized_syllables3, macronized_target3)
 
     def test_syllabify(self):
         """Test Indic Syllabifier method"""