Usage:
======

  html2txt [ <option> ] ... <input-file>
      Converts the HTML document in the <input-file> to plain text, and writes
      it to STDOUT.
  html2txt [ <option> ] ... <input-file> <output-file>
      Converts the HTML document in the <input-file> to plain text, and writes
      it to the <output-file>.

Options:
========

  --help
      Print this text and terminate.
  --page-width <width>
      The maximum line length to produce. Defaults to the value of the
      "$COLUMNS" environment variable, if set, otherwise to "80".
  --encoding <charset>
      The charset to use when reading the input file and writing the output
      file.
  --input-encoding <charset>
      The charset to use when reading the input file.
  --output-encoding <charset>
      The charset to use when writing the output file.
