to reproduce:
unzip the attached file
call Aspose.Words.FileFormatUtil.DetectFileFormat for the Text file
expected to get Txt, but got Unknown
data_1000chars_Uknown.txt.zip (805 Bytes)...DetectFileFormat fails to detect text file Aspose.Words Product...FileFormatUtil.DetectFileFormat for the text file expected to get Txt, but...