HTML on Word V2.1 is released.

Enhancements:

• Italic strings specified in a Word document can be output with <em> tags
      when converting to HTML. (Specify the command option "-italic m".)
• The outline level at which HTML <section> tags are output can be
      specified. (Specify the command option "-section n": 'n' is an integer
      indicating the outline level from 1 to 6.)
• When inserting an endnote in a Word document, a setting has been added
      to match the number of the endnote character (<sup> tag) in the output
      HTML with the number used at the end of the "id" that specifies the
      endnote, when the start number of the sequential number of the endnote
      is set to a number other than "1". (Command option "-endnoteId".)
• When a Word document contains certain invalid images, HTML is output
      without stopping processing.

Specification Modifications:

• Changed the conversion failure message displayed when converting docx
      files on OneDrive.
• Even when sequentially numbered endnotes and arbitrary endnote numbers
      are mixed in the endnote inserted in a Word document, the endnote
      numbers in the Word document and the endnote numbers in the output HTML
      will match.

Revision:

• Conversion failed when equation is inserted inline in a Word document
      and the HTML conversion is set to output formulas in MathML or Office
      Math format.
• When an equation is inserted into a Word document containing a heading
      with a specified outline level, and HTML conversion is performed with
      the mathematical formula set to be output in MathML format, the
      description position of the <section> tag was incorrect in the output
      HTML.
• When an equation in a Word document contains "Subscript-Superscript" or
      "Left Subscript-Superscript", if the equation is set to be output as an
      image (svg format) and HTML conversion is performed, the
      "Subscript-Superscript" and "Left Subscript-Superscript" parts are not
      output.
• When paragraphs were described in a Word document using the "Numbering"
      function, the paragraph numbers were numbered from "1" in Word, but in
      the output HTML they were numbered from the continuation of the previous
      numbering.
• When a Word document containing paragraphs with no first character
      (Numbering) was converted to HTML when paragraphs were described using
      the "Numbering" function, the HTML was output as <ul> tags (Bullets) and
      the conversion failed.
• On systems with a non-Japanese environment, there were garbled symbols
      in messages displayed when running from the command line.
• The title of the dialogue displayed when registering/unregistering
      add-in has been changed to "HTML on Word".