Changes in this version:
* Corrected several bugs related to parametrized procedures.
* Corrected a bug in the runtime Theme-D environment.
* Implemented purely functional iterators.
* Added option --verbose-errors to the compiler and the linker.
See  for discussion about purely functional iterators. See also
program theme-d-code/tests/test470.thp in the Theme-D source package for a
The homepage of Theme-D is located at
Theme-D can also be found at
 Henry G. Baker, Iterators: signs of weakness in object oriented languag=
ACM OOPS Messenger, volume 4, issue 3, pp. 18-25 (1993).
- Tommi H=C3=B6yn=C3=A4l=C3=A4nmaa