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There are no problems known with the interpreter in text mode.
As for execution as an applet in a Web browser, we have tested the interpreter with Netscape Communicator 4.6 on Linux and Windows98 and with Microsoft Internet Explorer on Windows98. All versions exhibit various problems.
Back
or Forward
button), the applet may not be able to
regain the focus.
This seems to be due to an error in AWT. Do not leave the page (use the middle
mouse button to open links in new frames) or press the keys
Shift
+Reload
to reload the applets.
Back
or Forward
button), the applets are restarted (i.e., they
do not preserve their previous state).
This seems to be a feature of the Internet Explorer. Do not leave the page if you do not like this.
This seems to be due to an error in JDK multi-threading. Wait until the corresponding execution has terminated or kill the browser.
This behavior seems to be due a JDK internal problem; apparently it does not indicate any significant troubles. Ignore the messages.
Since we have found workarounds, one should not encounter these problems any more.