See here:
http://sbarnhill.mvps.org/WordFAQs/RunInSidehead.htm
> I have a requirement for a thesis that demands that the 4th level heading run
> into the subsequent text:
>
> (begin bold)1.1.1.1 Subdivision Heading.(end bold, & heading)(begin normal)
> This heading runs into the paragraphs it begins.

Signature
Daiya Mitchell, MVP Mac/Word
Word FAQ: http://www.word.mvps.org/
MacWord Tips: <http://www.word.mvps.org/MacWordNew/>
What's an MVP? A volunteer! Read the FAQ: http://mvp.support.microsoft.com/