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/* $OpenBSD: tag.h,v 1.14 2020/04/18 20:28:46 schwarze Exp $ */
/*
* Copyright (c) 2015, 2018, 2019, 2020 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internal interfaces to tag syntax tree nodes.
* For use by mandoc(1) validation modules only.
*/
/*
* Tagging priorities.
* Lower numbers indicate higher importance.
*/
#define TAG_MANUAL 1 /* Set with a .Tg macro. */
#define TAG_STRONG 2 /* Good automatic tagging. */
#define TAG_WEAK (INT_MAX - 2) /* Dubious automatic tagging. */
#define TAG_FALLBACK (INT_MAX - 1) /* Tag only used if unique. */
#define TAG_DELETE (INT_MAX) /* Tag not used at all. */
void tag_alloc(void);
int tag_exists(const char *);
void tag_put(const char *, int, struct roff_node *);
void tag_postprocess(struct roff_man *, struct roff_node *);
void tag_free(void);
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