+- Date::Parse deb: libtimedate-perl
+ pkg: p5-TimeDate
+ rpm: perl-TimeDate
+ (for broken, mostly historical emails)
+
+Where "deb" indicates package names for Debian-derived distributions,
+"pkg" is for the FreeBSD package (maybe other common BSDs, too), and
+"rpm" is for RPM-based distributions (only known to work on Fedora).
+
+Numerous optional modules are likely to be useful as well:
+