Ready to ship 1.20.

NEWS.adoc

@@ -2,7 +2,7 @@
 // SPDX-FileCopyrightText: (C) Eric S. Raymond <esr@thyrsus.com>
 // SPDX-License-Identifier: CC-BY-4.0
 
-Repository head::
+1.20: 2024-09-23::
   Make oldstyle correctly suppress line editing.
 
 1.19: 2024-06-27::

advent.h

@@ -66,6 +66,8 @@
  * the cave starts to close. Only seems to be significant for the bird
  * and readable objects, notably the clam/oyster - but the code around
  * those tests is difficult to read.
+ *
+ * All tests of the prop member are done with either these macros or ==.
  */
 #define OBJECT_IS_NOTFOUND(obj) (game.objects[obj].prop == STATE_NOTFOUND)
 #define OBJECT_IS_FOUND(obj) (game.objects[obj].prop == STATE_FOUND)