From 2bc862bc76695e405786dc733955b67d128af0b9 Mon Sep 17 00:00:00 2001
From: Arha Gatram <agatram@nvidia.com>
Date: Fri, 22 May 2026 15:25:31 -0700
Subject: [PATCH] Help: Document if() behavior with empty condition

Closes: #26527
---
 Help/command/if.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Help/command/if.rst b/Help/command/if.rst
index 6433e4588e..3ef7b54f10 100644
--- a/Help/command/if.rst
+++ b/Help/command/if.rst
@@ -93,6 +93,11 @@ Basic Expressions
     to ``NEW`` and the string's value happens to be a variable name that
     is affected by :policy:`CMP0054`'s behavior.
 
+.. signature:: if()
+  :target: empty
+
+  False if no argument is provided.
+
 Logic Operators
 """""""""""""""