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-rw-r--r--doc/doc-docbook/spec.xfpt5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 0ffc88c58..d981f6230 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -11656,6 +11656,11 @@ condition is true if the named file (or directory) exists. The existence test
is done by calling the &[stat()]& function. The use of the &%exists%& test in
users' filter files may be locked out by the system administrator.
+.new
+&*Note:*& Testing a path using this condition is not a sufficient way of
+de-tainting it.
+.wen
+
.vitem &*first_delivery*&
.cindex "delivery" "first"
.cindex "first delivery"