Carriage return ignored/treated like line feed about ansi2html HOT 1 OPEN

# echo $'ONE\nTWO\nTHREEEEEE\rFOUR\rFIVE\nSIX\n' | ansi2html --inline | tee /dev/stderr | hexdump -C
ONE
TWO
FIVEEEEEE
SIX

00000000  4f 4e 45 0a 54 57 4f 0a  54 48 52 45 45 45 45 45  |ONE.TWO.THREEEEE|
00000010  45 0d 46 4f 55 52 0d 46  49 56 45 0a 53 49 58 0a  |E.FOUR.FIVE.SIX.|
00000020  0a                                                |.|
00000021