From a835de7e089180dbadd84c595d9b10ca3ca817fd Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 24 Apr 2025 11:59:15 -0600
Subject: [PATCH] add a comment to explain a default length

---
 gtk2_ardour/pianoroll.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtk2_ardour/pianoroll.cc b/gtk2_ardour/pianoroll.cc
index 83ee2c5c89..3236a6804c 100644
--- a/gtk2_ardour/pianoroll.cc
+++ b/gtk2_ardour/pianoroll.cc
@@ -2754,6 +2754,7 @@ Pianoroll::max_zoom_extent() const
 		}
 	}
 
+	/* this needs to match the default empty region length used in ::make_a_region() */
 	return std::make_pair (Temporal::timepos_t (Temporal::Beats()), Temporal::timepos_t (Temporal::Beats (32, 0)));
 }