The KDE builds of Rekall provide support for using KDE parts as data control in forms. These controls, which are always read-only (ie., they can be used to display data, but not to update it), embed a KDE part and use that part to display the data.
The most important property is the data type. Currently, this can be set to either Plain Text (in which case the KDE editor part is used), HTML (in which case the konqueror HTML part is used), or PDF (using the kghostscript part).
By default, the data value from the database is treated as a URL, and the control is loaded from the URL. This means that you can turn Rekall into a simple web browser! By setting the Data value is data property, then the control is instead loaded with the database value, so the database can be used to store HTML or PDF documents. Note that this is not very efficient, since the data has to be written to a temporary file first.
If the part supports links (in the web page sense, so currently this only applies to HTML display), and the Follow Links property is set, then clicking a link will follow that link.