intro
After the head
element there may be one
intro
element. This is just a way to define a group
of chapter that have no numbering. Chapters inside this element
are delimited in the same way as for the body
and
appendix
elements.
<intro> <h1>Introduction to Sgmltexi</h1> <p>Sgmltexi is a DTD with tools to get Texinfo...</p> <p>Sgmltexi manage Texinfo nodes automatically,...</p> </intro>