From e81d7a848449c7da169af8716cab1c1c5f542f3b Mon Sep 17 00:00:00 2001
From: Henrik Tidefelt <henrikt@wolfram.com>
Date: Wed, 27 Apr 2022 22:52:59 +0200
Subject: [PATCH] Point out difference between zero area and primitivesVisible
 = false

---
 chapters/annotations.tex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/chapters/annotations.tex b/chapters/annotations.tex
index 9f2c73d3a..d80bbe722 100644
--- a/chapters/annotations.tex
+++ b/chapters/annotations.tex
@@ -749,7 +749,9 @@ \subsection{Extends-Clause}\label{extends-clause}
 \end{itemize}
 
 \begin{nonnormative}
-A zero area \lstinline!extent! other than \lstinline!{{0, 0}, {0, 0}}! will result in the base class contents not being visible.
+A zero area \lstinline!extent! other than \lstinline!{{0, 0}, {0, 0}}! will result in none of the base class contents being visible.
+By affecting components and connections as well as graphical primitives, this is different from setting \lstinline!primitivesVisible = false!.
+
 Reversed corners of the \lstinline!extent! will result in mirrored (rotated if reversed in both direction) base class contents.
 \end{nonnormative}