mdocml: Remove the warning for empty bodies of `Sh', `Ss', `SH', and

mdocml: Remove the warning for empty bodies of `Sh', `Ss', `SH', and

[kristaps]

Log Message:
-----------
Remove the warning for empty bodies of `Sh', `Ss', `SH', and `SS'.  This
prompted by a TODO by schwarze@, originally from Gleydson Soares, that
an empty `SS' was raising an error (it hasn't for some time).  It makes
sense these shouldn't warn, as omitting their contents doesn't change
anything in the structure of the document (groff and mandoc specifically
account for the whitespace between empty sections).

This doesn't change any manuals, which only refer to the line arguments
(or possibly next-line, in the case of man(7) syntax).

Modified Files:
--------------
    mdocml:
        man_validate.c
        mdoc_validate.c

Revision Data
-------------
Index: mdoc_validate.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_validate.c,v
retrieving revision 1.167
retrieving revision 1.168
diff -Lmdoc_validate.c -Lmdoc_validate.c -u -p -r1.167 -r1.168
--- mdoc_validate.c
+++ mdoc_validate.c
@@ -155,9 +155,9 @@ static	v_post	 posts_notext[] = { ewarn_
 static	v_post	 posts_ns[] = { post_ns, NULL };
 static	v_post	 posts_os[] = { post_os, post_prol, NULL };
 static	v_post	 posts_rs[] = { post_rs, NULL };
-static	v_post	 posts_sh[] = { post_ignpar, hwarn_ge1, bwarn_ge1, post_sh, NULL };
+static	v_post	 posts_sh[] = { post_ignpar, hwarn_ge1, post_sh, NULL };
 static	v_post	 posts_sp[] = { ewarn_le1, NULL };
-static	v_post	 posts_ss[] = { post_ignpar, hwarn_ge1, bwarn_ge1, NULL };
+static	v_post	 posts_ss[] = { post_ignpar, hwarn_ge1, NULL };
 static	v_post	 posts_st[] = { post_st, NULL };
 static	v_post	 posts_std[] = { post_std, NULL };
 static	v_post	 posts_text[] = { ewarn_ge1, NULL };
Index: man_validate.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/man_validate.c,v
retrieving revision 1.68
retrieving revision 1.69
diff -Lman_validate.c -Lman_validate.c -u -p -r1.68 -r1.69
--- man_validate.c
+++ man_validate.c
@@ -325,14 +325,11 @@ static int
 check_sec(CHKARGS)
 {
 
-	if (MAN_HEAD == n->type && 0 == n->nchild) {
-		man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
-		return(0);
-	} else if (MAN_BODY == n->type && 0 == n->nchild)
-		mandoc_msg(MANDOCERR_ARGCWARN, m->parse, n->line, 
-				n->pos, "want children (have none)");
+	if ( ! (MAN_HEAD == n->type && 0 == n->nchild)) 
+		return(1);
 
-	return(1);
+	man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
+	return(0);
 }
 
 
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