Fixed type conversion warnings which break a Win32 debug build (MSVC).
Accommodate the "udp" package, and any other Tcl package that expects a
[read] on a channel @ EOF to attempt another pass through the channel drivers
instead of immediately returning an empty string.  Correcting this misbehavior
appears too disruptive in a patch release to a long stable branch.
merge-mark.  Do not accommodate udp bugs in Tcl 8.6.2.
tzdata2014f from ietf.org
merge tzdata2014f from ietf.org
Put back SystemV timezone files, which were removed in previous commit. Don't know if that was by accident, but seems unwise in a Tcl patch release.
Put back SystemV timezone files, which were removed in previous commit. Don't know if that was by accident, but seems unwise in a Tcl patch release.
[7d52e1101b] oo::object should know that oo::class is a subclass.
merge trunk