===================================================================
RCS file: /cvs/mandoc/mandoc.h,v
retrieving revision 1.244
retrieving revision 1.247
diff -u -p -r1.244 -r1.247
--- mandoc/mandoc.h	2017/07/07 19:39:30	1.244
+++ mandoc/mandoc.h	2018/03/16 15:05:44	1.247
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.h,v 1.244 2017/07/07 19:39:30 schwarze Exp $ */
+/*	$Id: mandoc.h,v 1.247 2018/03/16 15:05:44 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -58,7 +58,7 @@ enum	mandocerr {
 	MANDOCERR_DATE_LEGACY, /* legacy man(7) date format: Dd ... */
 	MANDOCERR_TITLE_CASE, /* lower case character in document title */
 	MANDOCERR_RCS_REP, /* duplicate RCS id: ... */
-	MANDOCERR_SEC_TYPO,  /* typo in section name: Sh ... */
+	MANDOCERR_SEC_TYPO,  /* possible typo in section name: Sh ... */
 	MANDOCERR_ARG_QUOTE, /* unterminated quoted argument */
 	MANDOCERR_MACRO_USELESS, /* useless macro: macro */
 	MANDOCERR_BX, /* consider using OS macro: macro */
@@ -68,6 +68,7 @@ enum	mandocerr {
 	MANDOCERR_DELIM_NB, /* no blank before trailing delimiter: macro ... */
 	MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping: fi */
 	MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping: nf */
+	MANDOCERR_DASHDASH, /* verbatim "--", maybe consider using \(em */
 	MANDOCERR_FUNC, /* function name without markup: name() */
 	MANDOCERR_SPACE_EOL, /* whitespace at end of input line */
 	MANDOCERR_COMMENT_BAD, /* bad comment style */
@@ -399,17 +400,6 @@ struct	eqn_box {
 	enum eqn_post	  pos; /* position of next box */
 	enum eqn_fontt	  font; /* font of box */
 	enum eqn_pilet	  pile; /* equation piling */
-};
-
-/*
- * An equation consists of a tree of expressions starting at a given
- * line and position.
- */
-struct	eqn {
-	char		 *name; /* identifier (or NULL) */
-	struct eqn_box	 *root; /* root mathematical expression */
-	int		  ln; /* invocation line */
-	int		  pos; /* invocation position */
 };
 
 /*