HTML Help Viewer 5.3.2 - Supported Tags:

  This document describes the subset of HTML supported by Help.
  <!-- -->
    Comment. All tags and text within the comment are ignored by
    HTML Help.
  <A>
    Help fully supports the HREF and NAME attributes, except that: 
      * Links to other files can only be relative, not absolute. So
        HREF="..\foo.htm" works but HREF="C:\foo.htm" does not 
      * Double quotation marks "" must always be put around filenames
        and bookmarks e.g. HREF="foo.htm" but not HREF=foo.htm 
      * references to web and email addresses are ignored. 
      * DOS-style (8.3) filenames should be used. 
  <B>
    Bold text is displayed in bright white.
  <BODY>
    Indicates the beginning of the text to be displayed.
  <BR>
    Line break.
  <CODE>
    Code is just displayed as bold text (in bright white).
  <EM>
    Emphasised text like italicised text, is displayed using
    the color magenta (a shade of purple). 
  <H1>
    Help puts this header 1 text in bold and puts a thick line
    underneath it.
  <H2>, <H3>
    Header 2 and 3 text is put in bold, and a new paragraph is started.
  <HEAD>
    HTML Header.
  <HR>
    Creates a horizontal rule along the screen. Only a horizontal rule
    without any attributes is supported at present.
  <HTML>
    Denotes a HTML file.
  <I>
    Italicised text is displayed using the color magenta (a shade
    of purple).
  <LI>
    A list object.
  <OL>
    At present, ordered lists are rendered as unordered lists. Embedded
    lists are not supported. 
  <P>
    New paragraph.
  <PRE>
    Preformatted text
  <STRONG>
    Strong text, like bold text, is displayed as
     bright white.
  <TITLE>
    Does nothing - yet.
  <TT>
    TT text, like italicised text, is displayed using the
    color magenta (a shade of purple). 
  <UL>
    Embedded lists are not currently supported.

Character Entities supported in HTML Help:

  Over 250 character entities are supported, including all Latin-1
  entities. NCRs (Numeric Character References) and UTF-8 are also
  supported. However, help can only display those characters that are
  available in the currently active DOS codepage. For a list of codepages
  that help is 'aware' of, type "HELP /C" at the command prompt. 

General Notes on HTML Help:

   1. Text is wrapped if it does not fit on the line.
   2. Tags are case insensitive, so <A HREF="FOO.HTM"> is equivelent to
      <a href="foo.htm">.
   3. The maximum size for a document is 64K.
   4. Only short (8.3) file names are supported.
   5. Help distinguishes between file types by filename extension.
      Therefore the .htm extension is recommended for HTML files.

  Copyright © 2002-2004 Robert Platt, updated 2008
  and 2020 by W. Spiegl.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.1 or
  any later version published by the Free Software Foundation; with no
  Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
  A copy of the license is included in the section entitled
  "GNU Free Documentation License 1.1"