Win32 has name conflict with ERROR

[p5sagit/p5-mst-13.2.git] / vms / perlvms.pod

diff --git a/vms/perlvms.pod b/vms/perlvms.pod
index 17e83e5..f43cbb0 100644 (file)
--- a/vms/perlvms.pod
+++ b/vms/perlvms.pod
@@ -788,6 +788,14 @@ by saying
 (You can't just say C<$ENV{$key} = $ENV{$key}>, since the
 Perl optimizer is smart enough to elide the expression.)
 
+Don't try to clear C<%ENV> by saying C<%ENV = ();>, it will throw
+a fatal error.  This is equivalent to doing the following from DCL:
+
+    DELETE/LOGICAL *
+
+You can imagine how bad things would be if, for example, the SYS$MANAGER
+or SYS$SYSTEM logicals were deleted.
+
 At present, the first time you iterate over %ENV using
 C<keys>, or C<values>,  you will incur a time penalty as all
 logical names are read, in order to fully populate %ENV.