Instead of only pdf I also need to generate XHTML. For this I need to use \startchapter and \stopchapter instead of \chapter.

When it is like:
    \chapter{A descriptive title}
I have to change it to:
    \startchapter[title=A descriptive title]
    .
    .
    .
    \stopchapter

But how do I change something like:
    \chapter[aboutLink]{A descriptive title}

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Cecil Westerhof