No "--" command line option to seperate filename and options

• Version by html2text --version

$ html2text --version Unrecognized command line option "--version", try "-help".

• Test script

$ echo "Hello" > -f.html $ html2text -f.html Unrecognized command line option "-f.html", try "-help". $ html2text -- -f.html Unrecognized command line option "--", try "-help".