Index Out Of Range - IE6 .xc files

[LtdLar]

Hello .xc files from IE6(and others, IE4 and IE5) don't open in Metanoia giving this error:

"System.IndexOutOfRangeException:"

here samples files:
https://mega.nz/file/BnomVAxC#KWZDty872ZI9jH2_RDXZZzED6Cr5Q1JbQQLZWD600qE
https://mega.nz/file/BnomVAxC#KWZDty872ZI9jH2_RDXZZzED6Cr5Q1JbQQLZWD600qE

thanks, LtdLar