Simplify by deleting the "lastline" member of struct mdoc_node.

Minus one struct member, minus 17 lines of code, no functional change.

6 files changed, 8 insertions, 25 deletions

diff --git a/mdoc.c b/mdoc.c
index 9e7a1482..8b589208 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -363,7 +363,6 @@ node_alloc(struct mdoc *mdoc, int line, int pos,
 	p->sec = mdoc->lastsec;
 	p->line = line;
 	p->pos = pos;
-	p->lastline = line;
 	p->tok = tok;
 	p->type = type;
 
diff --git a/mdoc.h b/mdoc.h
index 33ec903b..e123a902 100644
--- a/mdoc.h
+++ b/mdoc.h
@@ -352,7 +352,6 @@ struct	mdoc_node {
 	int		  nchild; /* number children */
 	int		  line; /* parse line */
 	int		  pos; /* parse column */
-	int		  lastline; /* the node ends on this line */
 	enum mdoct	  tok; /* tok or MDOC__MAX if none */
 	int		  flags;
 #define	MDOC_VALID	 (1 << 0) /* has been validated */
diff --git a/mdoc_html.c b/mdoc_html.c
index 8a52855e..82aa5d95 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -436,12 +436,9 @@ print_mdoc_node(MDOC_ARGS)
 		break;
 	}
 
-	if (HTML_KEEP & h->flags) {
-		if (n->prev ? (n->prev->lastline != n->line) :
-		    (n->parent && n->parent->line != n->line)) {
-			h->flags &= ~HTML_KEEP;
-			h->flags |= HTML_PREKEEP;
-		}
+	if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
+		h->flags &= ~HTML_KEEP;
+		h->flags |= HTML_PREKEEP;
 	}
 
 	if (child && n->child)
diff --git a/mdoc_macro.c b/mdoc_macro.c
index 5a8fd3f2..00bd7fa7 100644
--- a/mdoc_macro.c
+++ b/mdoc_macro.c
@@ -262,9 +262,6 @@ rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
 	assert(to);
 	mdoc->next = MDOC_NEXT_SIBLING;
 	while (mdoc->last != to) {
-		if ( ! (mdoc->last->flags & MDOC_VALID))
-			mdoc->last->lastline = to->lastline -
-			    (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
 		/*
 		 * Save the parent here, because we may delete the
 		 * mdoc->last node in the post-validation phase and reset
@@ -578,10 +575,8 @@ blk_exp_close(MACRO_PROT_ARGS)
 		/* Remember the start of our own body. */
 
 		if (n->type == MDOC_BODY && atok == n->tok) {
-			if (n->end == ENDBODY_NOT) {
+			if (n->end == ENDBODY_NOT)
 				body = n;
-				n->lastline = line;
-			}
 			continue;
 		}
 
@@ -594,7 +589,6 @@ blk_exp_close(MACRO_PROT_ARGS)
 		}
 
 		if (atok == n->tok) {
-			n->lastline = line;
 			assert(body);
 
 			/*
diff --git a/mdoc_term.c b/mdoc_term.c
index 73849e31..d101bbb3 100644
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -319,12 +319,9 @@ print_mdoc_node(DECL_ARGS)
 	 * invoked in a prior line, revert it to PREKEEP.
 	 */
 
-	if (TERMP_KEEP & p->flags) {
-		if (n->prev ? (n->prev->lastline != n->line) :
-		    (n->parent && n->parent->line != n->line)) {
-			p->flags &= ~TERMP_KEEP;
-			p->flags |= TERMP_PREKEEP;
-		}
+	if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
+		p->flags &= ~TERMP_KEEP;
+		p->flags |= TERMP_PREKEEP;
 	}
 
 	/*
diff --git a/tree.c b/tree.c
index 3afb86ff..af479d5a 100644
--- a/tree.c
+++ b/tree.c
@@ -162,10 +162,7 @@ print_mdoc(const struct mdoc_node *n, int indent)
 		putchar(' ');
 		if (MDOC_LINE & n->flags)
 			putchar('*');
-		printf("%d:%d", n->line, n->pos + 1);
-		if (n->lastline != n->line)
-			printf("-%d", n->lastline);
-		putchar('\n');
+		printf("%d:%d\n", n->line, n->pos + 1);
 	}
 
 	if (n->eqn)