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2011-08-19 Don Porter <dgp@users.sourceforge.net>
+ * generic/tclIO.c: [Bugs 3394654, 3393276] Revise FlushChannel() to
+ account for the possibility that the ChanWrite() call might recycle
+ the buffer out from under us.
+
* generic/tclIO.c: Preserve the chanPtr during FlushChannel so that
channel drivers don't yank it away before we're done with it.