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authorhobbs <hobbs>2002-04-23 19:06:10 (GMT)
committerhobbs <hobbs>2002-04-23 19:06:10 (GMT)
commit920036771e6e2d2c588ae22c294f48f411fffea1 (patch)
tree4a0efae4bd4fde4c5da6f2065772f1ab133ca432 /doc/tclvars.n
parentd6befe3b0ecd8da7c936827f0c6c2e3fb41b6496 (diff)
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* doc/exec.n:
* doc/tclvars.n: doc updates [Patch #509426] (gravereaux)
Diffstat (limited to 'doc/tclvars.n')
-rw-r--r--doc/tclvars.n7
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/tclvars.n b/doc/tclvars.n
index 4503add..ea99b4c 100644
--- a/doc/tclvars.n
+++ b/doc/tclvars.n
@@ -5,7 +5,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: tclvars.n,v 1.11 2002/02/15 14:28:48 dkf Exp $
+'\" RCS: @(#) $Id: tclvars.n,v 1.12 2002/04/23 19:06:10 hobbs Exp $
'\"
.so man.macros
.TH tclvars n 8.0 Tcl "Tcl Built-In Commands"
@@ -43,7 +43,10 @@ capitalization are converted automatically to upper case. For instance, the
PATH variable could be exported by the operating system as ``path'',
``Path'', ``PaTh'', etc., causing otherwise simple Tcl code to have to
support many special cases. All other environment variables inherited by
-Tcl are left unmodified.
+Tcl are left unmodified. Setting an env array variable to blank is the
+same as unsetting it as this is the behavior of the underlying Windows OS.
+It should be noted that relying on an existing and empty environment variable
+won't work on windows and is discoraged for cross-platform usage.
.VE
.RE
.RS