"16" = "This software has not been tested with Mac OS/X versions prior to Panther. Even though the installer says you cannot install the software, you can go ahead and give it a try...";
"17" = "This software requires the Curl library, vesion 7.10.x or greater";
"18" = "This software requires the XML2 library, version 2.2.x or greater";
"19" = "This distribution is for the PowerPC CPU but it appears you have an Intel Mac.";
"20" = "This distribution is for the Intel CPU but it appears you have a PowerPC Mac.";