===================================================================
RCS file: /cvs/mandoc/tbl_term.c,v
retrieving revision 1.64
retrieving revision 1.67
diff -u -p -r1.64 -r1.67
--- mandoc/tbl_term.c	2018/11/29 21:40:53	1.64
+++ mandoc/tbl_term.c	2019/01/31 16:06:22	1.67
@@ -1,7 +1,7 @@
-/*	$Id: tbl_term.c,v 1.64 2018/11/29 21:40:53 schwarze Exp $ */
+/*	$Id: tbl_term.c,v 1.67 2019/01/31 16:06:22 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011-2018 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2019 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "tbl.h"
 #include "out.h"
 #include "term.h"
 
@@ -162,6 +163,7 @@ term_tbl(struct termp *tp, const struct tbl_span *sp)
 	const struct tbl_cell	*cp, *cpn, *cpp, *cps;
 	const struct tbl_dat	*dp;
 	static size_t		 offset;
+	size_t		 	 save_offset;
 	size_t			 coloff, tsz;
 	int			 hspans, ic, more;
 	int			 dvert, fc, horiz, line, uvert;
@@ -169,6 +171,7 @@ term_tbl(struct termp *tp, const struct tbl_span *sp)
 	/* Inhibit printing of spaces: we do padding ourselves. */
 
 	tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
+	save_offset = tp->tcol->offset;
 
 	/*
 	 * The first time we're invoked for a given table block,
@@ -210,8 +213,9 @@ term_tbl(struct termp *tp, const struct tbl_span *sp)
 				tsz += tp->tbl.cols[sp->opts->cols - 1].width;
 			if (offset + tsz > tp->tcol->rmargin)
 				tsz -= 1;
-			tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
+			offset = offset + tp->tcol->rmargin > tsz ?
 			    (offset + tp->tcol->rmargin - tsz) / 2 : 0;
+			tp->tcol->offset = offset;
 		}
 
 		/* Horizontal frame at the start of boxed tables. */
@@ -226,6 +230,7 @@ term_tbl(struct termp *tp, const struct tbl_span *sp)
 	/* Set up the columns. */
 
 	tp->flags |= TERMP_MULTICOL;
+	tp->tcol->offset = offset;
 	horiz = 0;
 	switch (sp->pos) {
 	case TBL_SPAN_HORIZ:
@@ -566,12 +571,12 @@ term_tbl(struct termp *tp, const struct tbl_span *sp)
 		assert(tp->tbl.cols);
 		free(tp->tbl.cols);
 		tp->tbl.cols = NULL;
-		tp->tcol->offset = offset;
 	} else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
 	    (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
 	     sp->next->next != NULL))
 		tbl_hrule(tp, sp, sp->next, TBL_OPT_ALLBOX);
 
+	tp->tcol->offset = save_offset;
 	tp->flags &= ~TERMP_NONOSPACE;
 }
 
@@ -579,8 +584,9 @@ static void
 tbl_hrule(struct termp *tp, const struct tbl_span *spp,
     const struct tbl_span *spn, int flags)
 {
-	const struct tbl_cell	*cpp;    /* Cell above this line. */
-	const struct tbl_cell	*cpn;    /* Cell below this line. */
+	const struct tbl_cell	*cpp;    /* Layout cell above this line. */
+	const struct tbl_cell	*cpn;    /* Layout cell below this line. */
+	const struct tbl_dat	*dpn;	 /* Data cell below this line. */
 	const struct roffcol	*col;    /* Contains width and spacing. */
 	int			 opts;   /* For the table as a whole. */
 	int			 bw;	 /* Box line width. */
@@ -590,6 +596,13 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
 
 	cpp = spp == NULL ? NULL : spp->layout->first;
 	cpn = spn == NULL ? NULL : spn->layout->first;
+	dpn = NULL;
+	if (spn != NULL) {
+		if (spn->pos == TBL_SPAN_DATA)
+			dpn = spn->first;
+		else if (spn->next != NULL)
+			dpn = spn->next->first;
+	}
 	opts = spn == NULL ? spp->opts->opts : spn->opts->opts;
 	bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
 	    opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
@@ -615,7 +628,9 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
 		/* Print the horizontal line inside this column. */
 
 		lw = cpp == NULL || cpn == NULL ||
-		    cpn->pos != TBL_CELL_DOWN ? hw : 0;
+		    (cpn->pos != TBL_CELL_DOWN &&
+		     (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
+		    ? hw : 0;
 		tbl_direct_border(tp, BHORIZ * lw,
 		    col->width + col->spacing / 2);
 
@@ -641,6 +656,8 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
 					dw = 1;
 			}
 			cpn = cpn->next;
+			while (dpn != NULL && dpn->layout != cpn)
+				dpn = dpn->next;
 		}
 		if (cpp == NULL && cpn == NULL)
 			break;
@@ -655,7 +672,9 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
 		/* The horizontal line inside the next column. */
 
 		rw = cpp == NULL || cpn == NULL ||
-		    cpn->pos != TBL_CELL_DOWN ? hw : 0;
+		    (cpn->pos != TBL_CELL_DOWN &&
+		     (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
+		    ? hw : 0;
 
 		/* The line crossing at the end of this column. */