From 484b992f25a2ce288f0aa323d99cf9624ae25923 Mon Sep 17 00:00:00 2001
From: Craig Scott <craig.scott@crascit.com>
Date: Thu, 28 Apr 2022 09:49:03 +1000
Subject: Help: Clarify which items are retained by $<REMOVE_DUPLICATES:...>

---
 Help/manual/cmake-generator-expressions.7.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst
index 1ef1ec8..22c14df 100644
--- a/Help/manual/cmake-generator-expressions.7.rst
+++ b/Help/manual/cmake-generator-expressions.7.rst
@@ -599,7 +599,9 @@ String Transformations
 
   .. versionadded:: 3.15
 
-  Removes duplicated items in the given ``list``.
+  Removes duplicated items in the given ``list``. The relative order of items
+  is preserved, but if duplicates are encountered, only the first instance is
+  preserved.
 
 .. genex:: $<FILTER:list,INCLUDE|EXCLUDE,regex>
 
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