Now that I've spent some time in the forum, I think that this
probably should have been posted under Robohelp for Word.
Anyway, to get at the style sheet to fix the problem, the
answer was to import the help project into Robohelp for HTML and
then modify the problem style via the menu Format > Styles >
Heading 2 > Modify > Format > Paragraph > Indentation
> Special. Then change Hanging to (none).
When using Robohelp for Word, the format paragraph dialog box
did not show a "special" value of hanging. It had shown "(none)".
I suspect this is because the style sheet contains multiple
definitions for this style. Next I would like to be able to safely
remove the additional definitions. I'll look for a discussion about
that.