thanks to a patch from Martin Atzmueller.
* More compiler warnings in src/runtime/ are gone, thanks to
patches from Martin Atzmueller.
+* Martin Atzmueller pointed out that bug 37 was fixed by his patches
+ some time ago.
planned incompatible changes in 0.7.x:
* The debugger prompt sequence now goes "5]", "5[2]", "5[3]", etc.