mdocml: Translate blank input lines to .sp just like in mdoc(7), and

mdocml: Translate blank input lines to .sp just like in mdoc(7), and

[schwarze]

Log Message:
-----------
Translate blank input lines to .sp just like in mdoc(7),
and ignore .sp after .PP.  This fixes vertical spacing
for blank lines after .PP and for .sp after .PP.
OpenBSD rev. man.c 1.68 and man_term.c 1.86

Modified Files:
--------------
    mdocml:
        man.c
        man_term.c

Revision Data
-------------
Index: man_term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/man_term.c,v
retrieving revision 1.131
retrieving revision 1.132
diff -Lman_term.c -Lman_term.c -u -p -r1.131 -r1.132
--- man_term.c
+++ man_term.c
@@ -445,10 +445,21 @@ pre_sp(DECL_ARGS)
 	int		 neg;
 
 	if ((NULL == n->prev && n->parent)) {
-		if (MAN_SS == n->parent->tok)
-			return(0);
-		if (MAN_SH == n->parent->tok)
+		switch (n->parent->tok) {
+		case (MAN_SH):
+			/* FALLTHROUGH */
+		case (MAN_SS):
+			/* FALLTHROUGH */
+		case (MAN_PP):
+			/* FALLTHROUGH */
+		case (MAN_LP):
+			/* FALLTHROUGH */
+		case (MAN_P):
+			/* FALLTHROUGH */
 			return(0);
+		default:
+			break;
+		}
 	}
 
 	neg = 0;
Index: man.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/man.c,v
retrieving revision 1.117
retrieving revision 1.118
diff -Lman.c -Lman.c -u -p -r1.117 -r1.118
--- man.c
+++ man.c
@@ -435,9 +435,10 @@ man_ptext(struct man *m, int line, char 
 
 	if ('\0' == buf[i]) {
 		/* Allocate a blank entry. */
-		if ( ! man_word_alloc(m, line, offs, ""))
+		if ( ! man_elem_alloc(m, line, offs, MAN_sp))
 			return(0);
-		return(man_descope(m, line, offs));
+		m->next = MAN_NEXT_SIBLING;
+		return(1);
 	}
 
 	/* 
--
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