'site.exp' is what $DEJAGNU points to when the regression tester runs
these scripts.
+'GCC Regression Tester.wdgt' is a Dashboard widget that displays the
+current state of the tester using Javascript. You can use it without
+needing Dashboard by pointing your web browser at
+'GCC%20Regression%20Tester.wdgt/widget.html', if your browser supports
+and permits it.
+
Note that any changes made here need to be approved by the regression
tester's maintainer (see MAINTAINERS). The changes will be used on
the tester's next run, so `experimental' changes are very strongly