===================================================================
RCS file: /cvs/mandoc/mandoc.h,v
retrieving revision 1.276
retrieving revision 1.277
diff -u -p -r1.276 -r1.277
--- mandoc/mandoc.h	2022/04/28 16:21:09	1.276
+++ mandoc/mandoc.h	2022/05/19 15:37:47	1.277
@@ -1,4 +1,4 @@
-/* $Id: mandoc.h,v 1.276 2022/04/28 16:21:09 schwarze Exp $ */
+/* $Id: mandoc.h,v 1.277 2022/05/19 15:37:47 schwarze Exp $ */
 /*
  * Copyright (c) 2012-2022 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -285,11 +285,12 @@ enum	mandocerr {
 };
 
 enum	mandoc_esc {
-	ESCAPE_ERROR = 0, /* bail! unparsable escape */
-	ESCAPE_UNSUPP, /* unsupported escape; ignore it */
-	ESCAPE_IGNORE, /* escape to be ignored */
-	ESCAPE_UNDEF, /* undefined escape; print literal character */
-	ESCAPE_SPECIAL, /* a regular special character */
+	ESCAPE_EXPAND = 0, /* interpolation and iterative call needed */
+	ESCAPE_ERROR, /* non-fatal error: unparsable escape */
+	ESCAPE_UNSUPP, /* unsupported escape: warn and ignore */
+	ESCAPE_IGNORE, /* valid escape to be ignored */
+	ESCAPE_UNDEF, /* undefined escape: print literal character */
+	ESCAPE_SPECIAL, /* special character escape */
 	ESCAPE_FONT, /* a generic font mode */
 	ESCAPE_FONTBOLD, /* bold font mode */
 	ESCAPE_FONTITALIC, /* italic font mode */