Avoid relying on compiled modules too much. Even if it is Free,
compiled code makes packages more expensive to audit, build,
distribute and verify. public-inbox itself will only be implemented
-in scripting languages (currently Perl 5).
+in scripting languages (currently Perl 5) and optional JIT-compiled C
+(via Inline::C)
Performance should be reasonably good for server administrators, too,
and we will sacrifice features to achieve predictable performance.