From the Chicken web page:
CHICKEN is a compiler for the Scheme programming language. CHICKEN produces portable, efficient C, supports almost all of the current Scheme language standard, R5RS and includes many enhancements and extensions. CHICKEN runs on MacOS X, Windows, and many Unix flavours.
To reproduce my results on Ubuntu Gutsy Gibbon, install Chicken with
sudo apt-get install chicken-bin
and then install the
syntax-case extension with
sudo chicken-setup syntax-case
Then run the interpreter with
csi -case-insensitive -no-warnings -R syntax-case -:c -:hm10000000 2>&1
N.B. The Chicken documentation claims that Chicken supports the
numeric tower via the
numbers extension, but I have been
unable to install that.
Chicken makes the following choices: