old_contents: # coding=utf-8
  from __future__ import unicode_literals
  
  from ..symbols import *
  
  TOKENIZER_EXCEPTIONS = {}
  
  ABBREVIATIONS = {
      "ডঃ": [
          {ORTH: "ডঃ", LEMMA: "ডক্টর"},
      ],
      "ডাঃ": [
          {ORTH: "ডাঃ", LEMMA: "ডাক্তার"},
      ],
      "ড.": [
          {ORTH: "ড.", LEMMA: "ডক্টর"},
      ],
      "ডা.": [
          {ORTH: "ডা.", LEMMA: "ডাক্তার"},
      ],
      "মোঃ": [
          {ORTH: "মোঃ", LEMMA: "মোহাম্মদ"},
      ],
      "মো.": [
          {ORTH: "মো.", LEMMA: "মোহাম্মদ"},
      ],
      "সে.": [
          {ORTH: "সে.", LEMMA: "সেলসিয়াস"},
      ],
      "কি.মি.": [
          {ORTH: "কি.মি.", LEMMA: "কিলোমিটার"},
      ],
      "কি.মি": [
              {ORTH: "কি.মি", LEMMA: "কিলোমিটার"},
      ]
      "সে.মি.": [
          {ORTH: "সে.মি.", LEMMA: "সেন্টিমিটার"},
      ],
      "সে.মি": [
              {ORTH: "সে.মি", LEMMA: "সেন্টিমিটার"},
      ],
      "মি.লি.": [
          {ORTH: "মি.লি.", LEMMA: "মিলিলিটার"},
      ]
  }
  
  TOKENIZER_EXCEPTIONS.update(ABBREVIATIONS)
  
new_contents: # coding=utf-8
  from __future__ import unicode_literals
  
  from ..symbols import *
  
  TOKENIZER_EXCEPTIONS = {}
  
  ABBREVIATIONS = {
      "ডঃ": [
          {ORTH: "ডঃ", LEMMA: "ডক্টর"},
      ],
      "ডাঃ": [
          {ORTH: "ডাঃ", LEMMA: "ডাক্তার"},
      ],
      "ড.": [
          {ORTH: "ড.", LEMMA: "ডক্টর"},
      ],
      "ডা.": [
          {ORTH: "ডা.", LEMMA: "ডাক্তার"},
      ],
      "মোঃ": [
          {ORTH: "মোঃ", LEMMA: "মোহাম্মদ"},
      ],
      "মো.": [
          {ORTH: "মো.", LEMMA: "মোহাম্মদ"},
      ],
      "সে.": [
          {ORTH: "সে.", LEMMA: "সেলসিয়াস"},
      ],
      "কি.মি.": [
          {ORTH: "কি.মি.", LEMMA: "কিলোমিটার"},
      ],
      "কি.মি": [
              {ORTH: "কি.মি", LEMMA: "কিলোমিটার"},
      ],
      "সে.মি.": [
          {ORTH: "সে.মি.", LEMMA: "সেন্টিমিটার"},
      ],
      "সে.মি": [
              {ORTH: "সে.মি", LEMMA: "সেন্টিমিটার"},
      ],
      "মি.লি.": [
          {ORTH: "মি.লি.", LEMMA: "মিলিলিটার"},
      ]
  }
  
  TOKENIZER_EXCEPTIONS.update(ABBREVIATIONS)
  
subject: Add missing comma