Can we agree to follow convention and change the mod_mem_cache and mod_disk_cache names to mod_cache_mem and mod_cache_disk?
This follows precedent set by mod_dav (mod_dav_fs) and mod_proxy (mod_proxy_connect, _ftp and _http.) Seeing as neither module is documented, and they remain experimental, I can't imagine this change will injure too many bystanders.