To include shortdesc content in the title attribute of the heading it applies to, instead of as a paragraph following the heading:
[MapOptions] ; UseMapDescAsTitle = No (default, treat descriptions as text if used) ; or Yes (use descriptions without formatting as title attributes) UseMapDescAsTitle = Yes
When UseMapDescAsTitle=Yes, the shortdesc text appears with a mouseover in HTML output. However, for the topic text itself, the shortdesc always appears after the title, unless you map it to one of the following:
§6.13 Deciding where to display title and shortdesc