Properly reset the validation part of the tagging module between files.

This fixes a crash in makewhatis(8) encountered by naddy@.

1 files changed, 3 insertions, 1 deletions

diff --git a/read.c b/read.c
index dc6c2409..1774f150 100644
--- a/read.c
+++ b/read.c
@@ -1,4 +1,4 @@
-/* $Id: read.c,v 1.215 2020/03/13 15:32:28 schwarze Exp $ */
+/* $Id: read.c,v 1.216 2020/03/13 16:16:58 schwarze Exp $ */
 /*
  * Copyright (c) 2010-2019 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -678,11 +678,13 @@ mparse_alloc(int options, enum mandoc_os os_e, const char *os_s)
 void
 mparse_reset(struct mparse *curp)
 {
+	tag_free();
 	roff_reset(curp->roff);
 	roff_man_reset(curp->man);
 	free_buf_list(curp->secondary);
 	curp->secondary = NULL;
 	curp->gzip = 0;
+	tag_alloc();
 }
 
 void