+SOURCE;ALTID=74;PID=71;PREF=72;MEDIATYPE=text/plain;STATUS=FEED:http://examp
+ le.com/source/sourcea.vcf
+SOURCE;TYPE=home;ALTID=84;PID=81;MEDIATYPE=text/plainpaper;STATUS=ONLINE;PRE
+ F=82:http://example.com/source/sourceb.vcf
+SOURCE;TYPE=work;ALTID=94;PID=91;MEDIATYPE=text/sandpaper;PREF=92;STATUS=OFF
+ LINE:http://example.com/source/sourcec.vcf