===================================================================
RCS file: /cvs/mandoc/mandoc.h,v
retrieving revision 1.77
retrieving revision 1.81
diff -u -p -r1.77 -r1.81
--- mandoc/mandoc.h	2011/05/24 21:31:23	1.77
+++ mandoc/mandoc.h	2011/07/18 14:30:51	1.81
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.h,v 1.77 2011/05/24 21:31:23 kristaps Exp $ */
+/*	$Id: mandoc.h,v 1.81 2011/07/18 14:30:51 kristaps Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -104,8 +104,15 @@ enum	mandocerr {
 	MANDOCERR_BADESCAPE, /* unknown escape sequence */
 	MANDOCERR_BADQUOTE, /* unterminated quoted string */
 
+	/* related to equations */
+	MANDOCERR_EQNQUOTE, /* unexpected literal in equation */
+
 	MANDOCERR_ERROR, /* ===== start of errors ===== */
 
+	/* related to equations */
+	MANDOCERR_EQNARGS, /* bad equation macro arguments */
+	MANDOCERR_EQNNEST, /* too many nested equation defines */
+
 	/* related to tables */
 	MANDOCERR_TBL, /* bad table syntax */
 	MANDOCERR_TBLOPT, /* bad table option */
@@ -324,6 +331,7 @@ const char	 *mparse_strlevel(enum mandoclevel);
 void		 *mandoc_calloc(size_t, size_t);
 void		 *mandoc_malloc(size_t);
 void		 *mandoc_realloc(void *, size_t);
+char		 *mandoc_strdup(const char *);
 
 enum mandoc_esc	  mandoc_escape(const char **, const char **, int *);