QTextInlineObject documentation is invalid.

/*!
    \class QTextInlineObject
    \reentrant

    \brief The QTextInlineObject class represents an inline object in
    a QTextLayout.
    \inmodule QtGui

    \ingroup richtext-processing

    This class is only used if the text layout is used to lay out
    parts of a QTextDocument.

    The inline object has various attributes that can be set, for
    example using, setWidth(), setAscent(), and setDescent(). The
    rectangle it occupies is given by rect(), and its direction by
    isRightToLeft(). Its position in the text layout is given by at(),
    and its format is given by format().
*/

/*!
    \class QTextInlineObject
    \reentrant

    \brief The QTextInlineObject class represents an inline object in
    a QAbstractTextDocumentLayout.
    \inmodule QtGui

    \ingroup richtext-processing

    This class is only used if the text layout
    QAbstractTextDocumentLayout is used to lay out parts of a
    QTextDocument.

    The inline object has various attributes that can be set, for
    example using, setWidth(), setAscent(), and setDescent(). The
    rectangle it occupies is given by rect(), and its direction by
    isRightToLeft(). Its position in the text layout is given by
    textPosition(), and its format is given by format().
*/