class_docstr: Max. phonological unit, contains phones and triggers alternations.
class_docstr_tok: ["Max",".","phonological","unit",",","contains","phones","and","triggers","alternations","."]
docstr: e and i become closer (̣) when followed by a vowel.
docstr_tok: ["e","and","i","become","closer","(","\u0323",")","when","followed","by","a","vowel","."]
code: def _e_i_closer_before_vowel(self):
      """
      e and i become closer (̣) when followed by a vowel.
      """
      out_phones = self.phones
      for n in range(len(self.phones)):
          p = self.phones[n]
          if (p.ipa == "ɛ" or p.ipa == "ɪ") and p.right.vow:
              out_phones[n] = Phone(p.ipa + "̣")
      self.phones = out_phones
      self._refresh()
  
imports: import re
  import unicodedata
  from typing import List
  from nltk.tokenize import wordpunct_tokenize
  from cltk.core.cltk_logger import logger
  from cltk.prosody.lat import macronizer
label_desc: Use image node_id 15 for calling the Word obj's underlying member method code with example usage: obj._e_i_closer_before_vowel() without return types