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authordgp <dgp@users.sourceforge.net>2021-03-15 14:01:43 (GMT)
committerdgp <dgp@users.sourceforge.net>2021-03-15 14:01:43 (GMT)
commit071a9a5e35238f5466dcdccedfad74e8b656af28 (patch)
tree05ba106ffab83a7fe8b0622ffeb56edbe3881c5a /generic/tclIO.c
parenta65a6bf9dfb2bc4a58c957582b65082027924d5f (diff)
parent2e8db9a108c3539b68e894749c0e05e1d5ae871e (diff)
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Diffstat (limited to 'generic/tclIO.c')
-rw-r--r--generic/tclIO.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index bc9dde9..622b0e2 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -3361,7 +3361,8 @@ int
TclClose(
Tcl_Interp *interp, /* Interpreter for errors. */
Tcl_Channel chan) /* The channel being closed. Must not be
- * referenced in any interpreter. */
+ * referenced in any interpreter. May be NULL,
+ * in which case this is a no-op. */
{
CloseCallback *cbPtr; /* Iterate over close callbacks for this
* channel. */