===================================================================
RCS file: /cvs/mandoc/read.c,v
retrieving revision 1.154
retrieving revision 1.163
diff -u -p -r1.154 -r1.163
--- mandoc/read.c	2016/12/07 22:59:29	1.154
+++ mandoc/read.c	2017/03/07 20:00:08	1.163
@@ -1,7 +1,7 @@
-/*	$Id: read.c,v 1.154 2016/12/07 22:59:29 schwarze Exp $ */
+/*	$Id: read.c,v 1.163 2017/03/07 20:00:08 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2016 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -30,7 +30,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -48,8 +47,8 @@
 #define	REPARSE_LIMIT	1000
 
 struct	mparse {
-	struct roff_man	 *man; /* man parser */
 	struct roff	 *roff; /* roff parser (!NULL) */
+	struct roff_man	 *man; /* man parser */
 	char		 *sodest; /* filename pointed to by .so */
 	const char	 *file; /* filename of current input file */
 	struct buf	 *primary; /* buffer currently being parsed */
@@ -67,7 +66,7 @@ struct	mparse {
 
 static	void	  choose_parser(struct mparse *);
 static	void	  resize_buf(struct buf *, size_t);
-static	void	  mparse_buf_r(struct mparse *, struct buf, size_t, int);
+static	int	  mparse_buf_r(struct mparse *, struct buf, size_t, int);
 static	int	  read_whole_file(struct mparse *, const char *, int,
 				struct buf *, int *);
 static	void	  mparse_end(struct mparse *);
@@ -108,11 +107,13 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 	"no document body",
 	"content before first section header",
 	"first section is not \"NAME\"",
-	"NAME section without name",
+	"NAME section without Nm before Nd",
 	"NAME section without description",
 	"description not at the end of NAME",
 	"bad NAME section content",
+	"missing comma before name",
 	"missing description line, using \"\"",
+	"description line outside NAME section",
 	"sections out of conventional order",
 	"duplicate section title",
 	"unexpected section",
@@ -150,6 +151,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 	"unknown font type, using \\fR",
 	"nothing follows prefix",
 	"empty reference block",
+	"missing section argument",
 	"missing -std argument, adding it",
 	"missing option string, using \"\"",
 	"missing resource identifier, using \"\"",
@@ -175,6 +177,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = 
 	"blank line in fill mode, using .sp",
 	"tab in filled text",
 	"whitespace at end of input line",
+	"new sentence, new line",
 	"bad comment style",
 	"invalid escape sequence",
 	"undefined string, using \"\"",
@@ -307,7 +310,7 @@ choose_parser(struct mparse *curp)
  * macros, inline equations, and input line traps)
  * and indirectly (for .so file inclusion).
  */
-static void
+static int
 mparse_buf_r(struct mparse *curp, struct buf blk, size_t i, int start)
 {
 	const struct tbl_span	*span;
@@ -508,13 +511,16 @@ rerun:
 
 		switch (rr) {
 		case ROFF_REPARSE:
-			if (REPARSE_LIMIT >= ++curp->reparse_count)
-				mparse_buf_r(curp, ln, of, 0);
-			else
+			if (++curp->reparse_count > REPARSE_LIMIT)
 				mandoc_msg(MANDOCERR_ROFFLOOP, curp,
 				    curp->line, pos, NULL);
-			pos = 0;
-			continue;
+			else if (mparse_buf_r(curp, ln, of, 0) == 1 ||
+			    start == 1) {
+				pos = 0;
+				continue;
+			}
+			free(ln.buf);
+			return 0;
 		case ROFF_APPEND:
 			pos = strlen(ln.buf);
 			continue;
@@ -528,7 +534,7 @@ rerun:
 			    (i >= blk.sz || blk.buf[i] == '\0')) {
 				curp->sodest = mandoc_strdup(ln.buf + of);
 				free(ln.buf);
-				return;
+				return 1;
 			}
 			/*
 			 * We remove `so' clauses from our lookaside
@@ -594,18 +600,18 @@ rerun:
 	}
 
 	free(ln.buf);
+	return 1;
 }
 
 static int
 read_whole_file(struct mparse *curp, const char *file, int fd,
 		struct buf *fb, int *with_mmap)
 {
+	struct stat	 st;
 	gzFile		 gz;
 	size_t		 off;
 	ssize_t		 ssz;
 
-	struct stat	 st;
-
 	if (fstat(fd, &st) == -1)
 		err((int)MANDOCLEVEL_SYSERR, "%s", file);
 
@@ -827,13 +833,15 @@ mparse_reset(struct mparse *curp)
 {
 	roff_reset(curp->roff);
 	roff_man_reset(curp->man);
+
+	free(curp->sodest);
+	curp->sodest = NULL;
+
 	if (curp->secondary)
 		curp->secondary->sz = 0;
 
 	curp->file_status = MANDOCLEVEL_OK;
-
-	free(curp->sodest);
-	curp->sodest = NULL;
+	curp->gzip = 0;
 }
 
 void
@@ -841,8 +849,7 @@ mparse_free(struct mparse *curp)
 {
 
 	roff_man_free(curp->man);
-	if (curp->roff)
-		roff_free(curp->roff);
+	roff_free(curp->roff);
 	if (curp->secondary)
 		free(curp->secondary->buf);
 
@@ -862,6 +869,13 @@ mparse_result(struct mparse *curp, struct roff_man **m
 	}
 	if (man)
 		*man = curp->man;
+}
+
+void
+mparse_updaterc(struct mparse *curp, enum mandoclevel *rc)
+{
+	if (curp->file_status > *rc)
+		*rc = curp->file_status;
 }
 
 void