From 9c07f00ddfc2d9b5de57cf94453f05de43648b3b Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Tue, 25 Oct 2022 20:27:09 -0400
Subject: doc: Remove reference to long defunct macro.

---
 doc/api.texi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'doc')

diff --git a/doc/api.texi b/doc/api.texi
index 92d18dc..f17d4ba 100644
--- a/doc/api.texi
+++ b/doc/api.texi
@@ -3972,8 +3972,7 @@ viewport.  These aren't often needed, and Chickadee's default viewport
 occupies the entire screen, but there are certain situations where
 they are useful.  For example, a split-screen multiplayer game may
 render to two different viewports, each occupying a different half of
-the screen.  For information about how to set the current viewport,
-see @code{with-viewport} in @ref{Rendering Engine}.
+the screen.
 
 The @code{(chickadee graphics viewport)} module provides the following
 API:
-- 
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