mdocml: fix use of less(1), add boundary check against a segfault.

srcpkgs/mdocml/patches/boundary-check.patch

@@ -0,0 +1,13 @@
+Else mount(8) segfaults due to n->tok = roff_SP.
+
+--- man_term.c	2017-07-30 12:00:19.858167629 -0400
++++ man_term.c  2017-07-30 12:00:06.700039726 -0400
+@@ -674,7 +674,7 @@
+ 		do {
+ 			n = n->prev;
+ 		} while (n != NULL && n->tok != TOKEN_NONE &&
+-		    termacts[n->tok].flags & MAN_NOTEXT);
++		    n->tok >= MAN_TH && termacts[n->tok].flags & MAN_NOTEXT);
+ 		if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
+ 			break;
+ 

srcpkgs/mdocml/template

@@ -1,7 +1,7 @@
 # Template file for 'mdocml'
 pkgname=mdocml
 version=1.14.2
-revision=1
+revision=2
 wrksrc="mandoc-1.14.2"
 build_style=configure
 makedepends="zlib-devel"
@@ -25,7 +25,7 @@ alternatives="
 
 post_extract() {
 	# use less(1)
-	sed -i 's,bin/more,bin/less,g' main.c *.1
+	sed -i 's,"more -s","less -s",g' main.c
 	sed -i 's,.Xr more,.Xr less,g' *.1
 }
 pre_configure() {