From 80c303fe985156a04d9565cc50a77e52c4f62269 Mon Sep 17 00:00:00 2001
From: bch <brad.harder@gmail.com>
Date: Wed, 21 Jan 2015 00:21:18 +0000
Subject: truncateProc *can* be NULL

---
 generic/tclIO.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/generic/tclIO.c b/generic/tclIO.c
index 596ba3f..eb33106 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -1552,7 +1552,6 @@ Tcl_CreateChannel(
     assert(NULL!=typePtr->inputProc);
     assert(NULL!=typePtr->outputProc);
     assert(NULL!=typePtr->watchProc);
-    assert(NULL!=typePtr->truncateProc);
     assert(NULL!=typePtr->getHandleProc);
     if (NULL!=typePtr->wideSeekProc) {
       assert(NULL!=typePtr->seekProc && "Must define seekProc if defining wideSeekProc");
-- 
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