From 6cada7207531441ac6e3c2092d5039902122137b Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sun, 27 Jun 2010 16:36:22 +0000
Subject: Allow registers to be unset.  Implement and document the `.nr nS
 val'.

---
 mdoc_validate.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'mdoc_validate.c')

diff --git a/mdoc_validate.c b/mdoc_validate.c
index de1a7cc1..93b7ed94 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.99 2010/06/13 21:02:49 kristaps Exp $ */
+/*	$Id: mdoc_validate.c,v 1.100 2010/06/27 16:36:22 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -806,6 +806,8 @@ pre_sh(PRE_ARGS)
 
 	if (MDOC_BLOCK != n->type)
 		return(1);
+
+	mdoc->regs->regs[(int)REG_nS].set = 0;
 	return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
 }
 
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