From f3a42289b602ccdd0c66638616e835edb1ac8e44 Mon Sep 17 00:00:00 2001
From: Stephen C North <scnorth@gmail.com>
Date: Fri, 25 Oct 2019 10:11:47 -0700
Subject: [PATCH] Note that showboxes is only TB mode!

---
 doc/infosrc/attrs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/infosrc/attrs b/doc/infosrc/attrs
index 7f3ca919f..66c11f6bf 100644
--- a/doc/infosrc/attrs
+++ b/doc/infosrc/attrs
@@ -1231,7 +1231,7 @@ For further details, see
 External PostScript files</A>.
 :showboxes:ENG:int:0:0; dot
 Print guide boxes in PostScript at the beginning of
-routesplines if 1, or at the end if 2. (Debugging)
+routesplines if 1, or at the end if 2. (Debugging, TB mode only!)
 :sides:N:int:4:0;
 Number of sides if <A HREF=#d:shape><B>shape</B></A>=polygon.
 :size:G:double/point;
-- 
2.40.0