Posted by Pete Lees [MVP] on 01/26/06 18:58

John,

> ... does anyone know of problems compiling XHTML into a CHM file, or will
> it just treat it like HTML?

The HTML Help compiler doesn't like XML declarations such as <?xml
version="1.0" encoding="UTF-8"?>, and it will display error messages
whenever it encounters them -- the tag is reportedly "not a valid HTML
tag (it does not begin with an alphanumeric character)". However, XHTML
documents that contain these declarations will still display fine in
the HTML Help viewer. I've not encountered any other problems in the
3-4 years I've been compiling XHTML documents into .chm files.

--
Pete (Microsoft Help MVP)

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