Explicitly deprecate the Boundary module.

diff --git a/doc/doxygen/headers/boundary.h b/doc/doxygen/headers/boundary.h
index b6d9bf2a66d7eeb2e08097846c2d685d32443ad6..9a79624d970f758ae6b0f7d4c7bb1496a3237d85 100644 (file)
--- a/doc/doxygen/headers/boundary.h
+++ b/doc/doxygen/headers/boundary.h
@@ -17,6 +17,12 @@
 /**
  * @defgroup boundary Boundary and manifold description for triangulations
  *
+ * @warning This module describes usage of the Boundary classes, which are
+ * deprecated: see the
+ * @ref manifold
+ * module for detailed information on how to describe curved boundaries with
+ * the Manifold classes, which are the replacements for the Boundary classes.
+ *
  * The classes in this module are concerned with the description of the
  * geometry of a domain in which a Triangulation lives. This geometry
  * description is necessary in three contexts: