lines affected: 11020
====================================================
Tested on 50.000 lines
----------------------
before:
Edit distance: 842588
Word error rate (WER): 68.33 %
Number of position-independent correct words: 692408
Position-independent word error rate (PER): 54.52 %

after:
Edit distance: 842418
Word error rate (WER): 68.32 %
Number of position-independent correct words: 692811
Position-independent word error rate (PER): 54.49 %
===================================================
Tested on the affected lines only:
----------------------------------
before:
Edit distance: 241251
Word error rate (WER): 72.12 %
Number of position-independent correct words: 191790
Position-independent word error rate (PER): 56.96 %

after:
Edit distance: 233708
Word error rate (WER): 69.86 %
Number of position-independent correct words: 192187
Position-independent word error rate (PER): 54.21 %

