- :SB-UNICODE
- Unicode support. Enabled by default. Disabling this feature
- limits characters to the 8-bit ISO-8859-1 set.
+ NOTE: --fancy enables threads on all platforms where they can
+ be built, even if they aren't 100% stable on that platform.
+
+ :SB-CORE-COMPRESSION
+ Adds zlib as a build-dependency, and makes SBCL able to save
+ compressed cores. Not enabled by default.