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nikud_ipa: glottal-stop gutturals (WO05 convention alignment) #30

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Merged
ronaldtse merged 1 commit into from
Oct 7, 2026
Merged

nikud_ipa: glottal-stop gutturals (WO05 convention alignment) #30

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4 changes: 3 additions & 1 deletion src/interscript/ml/nikud_ipa.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,9 @@ def nikud_to_ipa(text: str) -> str:
continue

if letter in ("א", "ע"):
out.append(vowels) # silent guttural, vowel carries
# gutturals carry ʔ when vocalized (Israeli/TTS convention),
# fully silent when bare
out.append("ʔ" + vowels if vowels else "")
continue

if letter == "ה" and last:
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8 changes: 4 additions & 4 deletions tests/test_nikud_ipa.py
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Expand Up @@ -44,8 +44,8 @@ def test_yod_after_vowel_is_silent_lengthener(self):
assert nikud_to_ipa("רִי") == "ʁi"

def test_gutturals_silent_with_vowel(self):
assert nikud_to_ipa("אָב") == "av"
assert nikud_to_ipa("עִיר") == "iʁ"
assert nikud_to_ipa("אָב") == "ʔav"
assert nikud_to_ipa("עִיר") == "ʔiʁ"

def test_final_heh_silent(self):
assert nikud_to_ipa("סֻכָּה") == "suka"
Expand All @@ -64,7 +64,7 @@ def test_core_vowels(self):

def test_hataf(self):
assert nikud_to_ipa("חֲנֻכָּה") == "xanuka"
assert nikud_to_ipa("אֱמֶת") == "emet"
assert nikud_to_ipa("אֱמֶת") == "ʔemet"

def test_qamats_qatan_via_lexicon(self):
# כָּל is the canonical qamats-qatan word: /kol/
Expand Down Expand Up @@ -93,5 +93,5 @@ def test_every_real_cluster_has_rule_or_override(self):

class TestPassThrough:
def test_spaces_and_latin_survive(self):
assert nikud_to_ipa("שָׁלוֹם עֲלֵיכֶם") == "ʃalom alexem"
assert nikud_to_ipa("שָׁלוֹם עֲלֵיכֶם") == "ʃalom ʔalexem"
assert nikud_to_ipa("abc") == "abc"
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