The current version of the ST/X helpview is a very
preliminary one. It is unfinished and is known to contain bugs.
These bugs are mostly due to bugs in the ST/X interface
to the Xt and HTML libraries.
Among other bugs (x toolkit error messages, which you should ignore),
it is known to contain memory leaks.
This means, that while working with the help viewer, more and more
memory gets allocated but newer freed again.
Therefore, it may be wise, to close the helpviewer, save an image
and restart the system periodically. However, the memory leak is not
severe - its only a few bytes which are lost whenever a new document
is displayed.
Also, you may NOT save an image with a help viewer being open; the image will not restart correctly.
Despite these bugs, we believe that the helpviewer is a highly useful
tool and therefore provided in this preliminary form,
but without any warranty.
Later versions will have fixed those bugs.