xref: /netbsd/external/bsd/mdocml/dist/mdoc_html.c (revision 6550d01e)
1 /*	$Vendor-Id: mdoc_html.c,v 1.142 2011/01/07 13:20:58 kristaps Exp $ */
2 /*
3  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20 
21 #include <sys/types.h>
22 
23 #include <assert.h>
24 #include <ctype.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29 
30 #include "mandoc.h"
31 #include "out.h"
32 #include "html.h"
33 #include "mdoc.h"
34 #include "main.h"
35 
36 #define	INDENT		 5
37 #define	HALFINDENT	 3
38 
39 #define	MDOC_ARGS	  const struct mdoc_meta *m, \
40 			  const struct mdoc_node *n, \
41 			  struct html *h
42 
43 #ifndef MIN
44 #define	MIN(a,b)	((/*CONSTCOND*/(a)<(b))?(a):(b))
45 #endif
46 
47 struct	htmlmdoc {
48 	int		(*pre)(MDOC_ARGS);
49 	void		(*post)(MDOC_ARGS);
50 };
51 
52 static	void		  print_mdoc(MDOC_ARGS);
53 static	void		  print_mdoc_head(MDOC_ARGS);
54 static	void		  print_mdoc_node(MDOC_ARGS);
55 static	void		  print_mdoc_nodelist(MDOC_ARGS);
56 static	void	  	  synopsis_pre(struct html *,
57 				const struct mdoc_node *);
58 
59 static	void		  a2width(const char *, struct roffsu *);
60 static	void		  a2offs(const char *, struct roffsu *);
61 
62 static	void		  mdoc_root_post(MDOC_ARGS);
63 static	int		  mdoc_root_pre(MDOC_ARGS);
64 
65 static	void		  mdoc__x_post(MDOC_ARGS);
66 static	int		  mdoc__x_pre(MDOC_ARGS);
67 static	int		  mdoc_ad_pre(MDOC_ARGS);
68 static	int		  mdoc_an_pre(MDOC_ARGS);
69 static	int		  mdoc_ap_pre(MDOC_ARGS);
70 static	int		  mdoc_ar_pre(MDOC_ARGS);
71 static	int		  mdoc_bd_pre(MDOC_ARGS);
72 static	int		  mdoc_bf_pre(MDOC_ARGS);
73 static	void		  mdoc_bk_post(MDOC_ARGS);
74 static	int		  mdoc_bk_pre(MDOC_ARGS);
75 static	int		  mdoc_bl_pre(MDOC_ARGS);
76 static	int		  mdoc_bt_pre(MDOC_ARGS);
77 static	int		  mdoc_bx_pre(MDOC_ARGS);
78 static	int		  mdoc_cd_pre(MDOC_ARGS);
79 static	int		  mdoc_d1_pre(MDOC_ARGS);
80 static	int		  mdoc_dv_pre(MDOC_ARGS);
81 static	int		  mdoc_fa_pre(MDOC_ARGS);
82 static	int		  mdoc_fd_pre(MDOC_ARGS);
83 static	int		  mdoc_fl_pre(MDOC_ARGS);
84 static	int		  mdoc_fn_pre(MDOC_ARGS);
85 static	int		  mdoc_ft_pre(MDOC_ARGS);
86 static	int		  mdoc_em_pre(MDOC_ARGS);
87 static	int		  mdoc_er_pre(MDOC_ARGS);
88 static	int		  mdoc_ev_pre(MDOC_ARGS);
89 static	int		  mdoc_ex_pre(MDOC_ARGS);
90 static	void		  mdoc_fo_post(MDOC_ARGS);
91 static	int		  mdoc_fo_pre(MDOC_ARGS);
92 static	int		  mdoc_ic_pre(MDOC_ARGS);
93 static	int		  mdoc_igndelim_pre(MDOC_ARGS);
94 static	int		  mdoc_in_pre(MDOC_ARGS);
95 static	int		  mdoc_it_pre(MDOC_ARGS);
96 static	int		  mdoc_lb_pre(MDOC_ARGS);
97 static	int		  mdoc_li_pre(MDOC_ARGS);
98 static	int		  mdoc_lk_pre(MDOC_ARGS);
99 static	int		  mdoc_mt_pre(MDOC_ARGS);
100 static	int		  mdoc_ms_pre(MDOC_ARGS);
101 static	int		  mdoc_nd_pre(MDOC_ARGS);
102 static	int		  mdoc_nm_pre(MDOC_ARGS);
103 static	int		  mdoc_ns_pre(MDOC_ARGS);
104 static	int		  mdoc_pa_pre(MDOC_ARGS);
105 static	void		  mdoc_pf_post(MDOC_ARGS);
106 static	int		  mdoc_pp_pre(MDOC_ARGS);
107 static	void		  mdoc_quote_post(MDOC_ARGS);
108 static	int		  mdoc_quote_pre(MDOC_ARGS);
109 static	int		  mdoc_rs_pre(MDOC_ARGS);
110 static	int		  mdoc_rv_pre(MDOC_ARGS);
111 static	int		  mdoc_sh_pre(MDOC_ARGS);
112 static	int		  mdoc_sm_pre(MDOC_ARGS);
113 static	int		  mdoc_sp_pre(MDOC_ARGS);
114 static	int		  mdoc_ss_pre(MDOC_ARGS);
115 static	int		  mdoc_sx_pre(MDOC_ARGS);
116 static	int		  mdoc_sy_pre(MDOC_ARGS);
117 static	int		  mdoc_ud_pre(MDOC_ARGS);
118 static	int		  mdoc_va_pre(MDOC_ARGS);
119 static	int		  mdoc_vt_pre(MDOC_ARGS);
120 static	int		  mdoc_xr_pre(MDOC_ARGS);
121 static	int		  mdoc_xx_pre(MDOC_ARGS);
122 
123 static	const struct htmlmdoc mdocs[MDOC_MAX] = {
124 	{mdoc_ap_pre, NULL}, /* Ap */
125 	{NULL, NULL}, /* Dd */
126 	{NULL, NULL}, /* Dt */
127 	{NULL, NULL}, /* Os */
128 	{mdoc_sh_pre, NULL }, /* Sh */
129 	{mdoc_ss_pre, NULL }, /* Ss */
130 	{mdoc_pp_pre, NULL}, /* Pp */
131 	{mdoc_d1_pre, NULL}, /* D1 */
132 	{mdoc_d1_pre, NULL}, /* Dl */
133 	{mdoc_bd_pre, NULL}, /* Bd */
134 	{NULL, NULL}, /* Ed */
135 	{mdoc_bl_pre, NULL}, /* Bl */
136 	{NULL, NULL}, /* El */
137 	{mdoc_it_pre, NULL}, /* It */
138 	{mdoc_ad_pre, NULL}, /* Ad */
139 	{mdoc_an_pre, NULL}, /* An */
140 	{mdoc_ar_pre, NULL}, /* Ar */
141 	{mdoc_cd_pre, NULL}, /* Cd */
142 	{mdoc_fl_pre, NULL}, /* Cm */
143 	{mdoc_dv_pre, NULL}, /* Dv */
144 	{mdoc_er_pre, NULL}, /* Er */
145 	{mdoc_ev_pre, NULL}, /* Ev */
146 	{mdoc_ex_pre, NULL}, /* Ex */
147 	{mdoc_fa_pre, NULL}, /* Fa */
148 	{mdoc_fd_pre, NULL}, /* Fd */
149 	{mdoc_fl_pre, NULL}, /* Fl */
150 	{mdoc_fn_pre, NULL}, /* Fn */
151 	{mdoc_ft_pre, NULL}, /* Ft */
152 	{mdoc_ic_pre, NULL}, /* Ic */
153 	{mdoc_in_pre, NULL}, /* In */
154 	{mdoc_li_pre, NULL}, /* Li */
155 	{mdoc_nd_pre, NULL}, /* Nd */
156 	{mdoc_nm_pre, NULL}, /* Nm */
157 	{mdoc_quote_pre, mdoc_quote_post}, /* Op */
158 	{NULL, NULL}, /* Ot */
159 	{mdoc_pa_pre, NULL}, /* Pa */
160 	{mdoc_rv_pre, NULL}, /* Rv */
161 	{NULL, NULL}, /* St */
162 	{mdoc_va_pre, NULL}, /* Va */
163 	{mdoc_vt_pre, NULL}, /* Vt */
164 	{mdoc_xr_pre, NULL}, /* Xr */
165 	{mdoc__x_pre, mdoc__x_post}, /* %A */
166 	{mdoc__x_pre, mdoc__x_post}, /* %B */
167 	{mdoc__x_pre, mdoc__x_post}, /* %D */
168 	{mdoc__x_pre, mdoc__x_post}, /* %I */
169 	{mdoc__x_pre, mdoc__x_post}, /* %J */
170 	{mdoc__x_pre, mdoc__x_post}, /* %N */
171 	{mdoc__x_pre, mdoc__x_post}, /* %O */
172 	{mdoc__x_pre, mdoc__x_post}, /* %P */
173 	{mdoc__x_pre, mdoc__x_post}, /* %R */
174 	{mdoc__x_pre, mdoc__x_post}, /* %T */
175 	{mdoc__x_pre, mdoc__x_post}, /* %V */
176 	{NULL, NULL}, /* Ac */
177 	{mdoc_quote_pre, mdoc_quote_post}, /* Ao */
178 	{mdoc_quote_pre, mdoc_quote_post}, /* Aq */
179 	{NULL, NULL}, /* At */
180 	{NULL, NULL}, /* Bc */
181 	{mdoc_bf_pre, NULL}, /* Bf */
182 	{mdoc_quote_pre, mdoc_quote_post}, /* Bo */
183 	{mdoc_quote_pre, mdoc_quote_post}, /* Bq */
184 	{mdoc_xx_pre, NULL}, /* Bsx */
185 	{mdoc_bx_pre, NULL}, /* Bx */
186 	{NULL, NULL}, /* Db */
187 	{NULL, NULL}, /* Dc */
188 	{mdoc_quote_pre, mdoc_quote_post}, /* Do */
189 	{mdoc_quote_pre, mdoc_quote_post}, /* Dq */
190 	{NULL, NULL}, /* Ec */ /* FIXME: no space */
191 	{NULL, NULL}, /* Ef */
192 	{mdoc_em_pre, NULL}, /* Em */
193 	{NULL, NULL}, /* Eo */
194 	{mdoc_xx_pre, NULL}, /* Fx */
195 	{mdoc_ms_pre, NULL}, /* Ms */
196 	{mdoc_igndelim_pre, NULL}, /* No */
197 	{mdoc_ns_pre, NULL}, /* Ns */
198 	{mdoc_xx_pre, NULL}, /* Nx */
199 	{mdoc_xx_pre, NULL}, /* Ox */
200 	{NULL, NULL}, /* Pc */
201 	{mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
202 	{mdoc_quote_pre, mdoc_quote_post}, /* Po */
203 	{mdoc_quote_pre, mdoc_quote_post}, /* Pq */
204 	{NULL, NULL}, /* Qc */
205 	{mdoc_quote_pre, mdoc_quote_post}, /* Ql */
206 	{mdoc_quote_pre, mdoc_quote_post}, /* Qo */
207 	{mdoc_quote_pre, mdoc_quote_post}, /* Qq */
208 	{NULL, NULL}, /* Re */
209 	{mdoc_rs_pre, NULL}, /* Rs */
210 	{NULL, NULL}, /* Sc */
211 	{mdoc_quote_pre, mdoc_quote_post}, /* So */
212 	{mdoc_quote_pre, mdoc_quote_post}, /* Sq */
213 	{mdoc_sm_pre, NULL}, /* Sm */
214 	{mdoc_sx_pre, NULL}, /* Sx */
215 	{mdoc_sy_pre, NULL}, /* Sy */
216 	{NULL, NULL}, /* Tn */
217 	{mdoc_xx_pre, NULL}, /* Ux */
218 	{NULL, NULL}, /* Xc */
219 	{NULL, NULL}, /* Xo */
220 	{mdoc_fo_pre, mdoc_fo_post}, /* Fo */
221 	{NULL, NULL}, /* Fc */
222 	{mdoc_quote_pre, mdoc_quote_post}, /* Oo */
223 	{NULL, NULL}, /* Oc */
224 	{mdoc_bk_pre, mdoc_bk_post}, /* Bk */
225 	{NULL, NULL}, /* Ek */
226 	{mdoc_bt_pre, NULL}, /* Bt */
227 	{NULL, NULL}, /* Hf */
228 	{NULL, NULL}, /* Fr */
229 	{mdoc_ud_pre, NULL}, /* Ud */
230 	{mdoc_lb_pre, NULL}, /* Lb */
231 	{mdoc_pp_pre, NULL}, /* Lp */
232 	{mdoc_lk_pre, NULL}, /* Lk */
233 	{mdoc_mt_pre, NULL}, /* Mt */
234 	{mdoc_quote_pre, mdoc_quote_post}, /* Brq */
235 	{mdoc_quote_pre, mdoc_quote_post}, /* Bro */
236 	{NULL, NULL}, /* Brc */
237 	{mdoc__x_pre, mdoc__x_post}, /* %C */
238 	{NULL, NULL}, /* Es */  /* TODO */
239 	{NULL, NULL}, /* En */  /* TODO */
240 	{mdoc_xx_pre, NULL}, /* Dx */
241 	{mdoc__x_pre, mdoc__x_post}, /* %Q */
242 	{mdoc_sp_pre, NULL}, /* br */
243 	{mdoc_sp_pre, NULL}, /* sp */
244 	{mdoc__x_pre, mdoc__x_post}, /* %U */
245 	{NULL, NULL}, /* Ta */
246 };
247 
248 static	const char * const lists[LIST_MAX] = {
249 	NULL,
250 	"list-bul",
251 	"list-col",
252 	"list-dash",
253 	"list-diag",
254 	"list-enum",
255 	"list-hang",
256 	"list-hyph",
257 	"list-inset",
258 	"list-item",
259 	"list-ohang",
260 	"list-tag"
261 };
262 
263 void
264 html_mdoc(void *arg, const struct mdoc *m)
265 {
266 	struct html 	*h;
267 	struct tag	*t;
268 
269 	h = (struct html *)arg;
270 
271 	print_gen_decls(h);
272 	t = print_otag(h, TAG_HTML, 0, NULL);
273 	print_mdoc(mdoc_meta(m), mdoc_node(m), h);
274 	print_tagq(h, t);
275 
276 	printf("\n");
277 }
278 
279 
280 /*
281  * Calculate the scaling unit passed in a `-width' argument.  This uses
282  * either a native scaling unit (e.g., 1i, 2m) or the string length of
283  * the value.
284  */
285 static void
286 a2width(const char *p, struct roffsu *su)
287 {
288 
289 	if ( ! a2roffsu(p, su, SCALE_MAX)) {
290 		su->unit = SCALE_BU;
291 		su->scale = (int)strlen(p);
292 	}
293 }
294 
295 
296 /*
297  * See the same function in mdoc_term.c for documentation.
298  */
299 static void
300 synopsis_pre(struct html *h, const struct mdoc_node *n)
301 {
302 
303 	if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
304 		return;
305 
306 	if (n->prev->tok == n->tok &&
307 			MDOC_Fo != n->tok &&
308 			MDOC_Ft != n->tok &&
309 			MDOC_Fn != n->tok) {
310 		print_otag(h, TAG_BR, 0, NULL);
311 		return;
312 	}
313 
314 	switch (n->prev->tok) {
315 	case (MDOC_Fd):
316 		/* FALLTHROUGH */
317 	case (MDOC_Fn):
318 		/* FALLTHROUGH */
319 	case (MDOC_Fo):
320 		/* FALLTHROUGH */
321 	case (MDOC_In):
322 		/* FALLTHROUGH */
323 	case (MDOC_Vt):
324 		print_otag(h, TAG_P, 0, NULL);
325 		break;
326 	case (MDOC_Ft):
327 		if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
328 			print_otag(h, TAG_P, 0, NULL);
329 			break;
330 		}
331 		/* FALLTHROUGH */
332 	default:
333 		print_otag(h, TAG_BR, 0, NULL);
334 		break;
335 	}
336 }
337 
338 
339 /*
340  * Calculate the scaling unit passed in an `-offset' argument.  This
341  * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
342  * predefined strings (indent, etc.), or the string length of the value.
343  */
344 static void
345 a2offs(const char *p, struct roffsu *su)
346 {
347 
348 	/* FIXME: "right"? */
349 
350 	if (0 == strcmp(p, "left"))
351 		SCALE_HS_INIT(su, 0);
352 	else if (0 == strcmp(p, "indent"))
353 		SCALE_HS_INIT(su, INDENT);
354 	else if (0 == strcmp(p, "indent-two"))
355 		SCALE_HS_INIT(su, INDENT * 2);
356 	else if ( ! a2roffsu(p, su, SCALE_MAX)) {
357 		su->unit = SCALE_BU;
358 		su->scale = (int)strlen(p);
359 	}
360 }
361 
362 
363 static void
364 print_mdoc(MDOC_ARGS)
365 {
366 	struct tag	*t;
367 
368 	t = print_otag(h, TAG_HEAD, 0, NULL);
369 	print_mdoc_head(m, n, h);
370 	print_tagq(h, t);
371 
372 	t = print_otag(h, TAG_BODY, 0, NULL);
373 	print_mdoc_nodelist(m, n, h);
374 	print_tagq(h, t);
375 }
376 
377 
378 /* ARGSUSED */
379 static void
380 print_mdoc_head(MDOC_ARGS)
381 {
382 
383 	print_gen_head(h);
384 	bufinit(h);
385 	buffmt(h, "%s(%s)", m->title, m->msec);
386 
387 	if (m->arch) {
388 		bufcat(h, " (");
389 		bufcat(h, m->arch);
390 		bufcat(h, ")");
391 	}
392 
393 	print_otag(h, TAG_TITLE, 0, NULL);
394 	print_text(h, h->buf);
395 }
396 
397 
398 static void
399 print_mdoc_nodelist(MDOC_ARGS)
400 {
401 
402 	print_mdoc_node(m, n, h);
403 	if (n->next)
404 		print_mdoc_nodelist(m, n->next, h);
405 }
406 
407 
408 static void
409 print_mdoc_node(MDOC_ARGS)
410 {
411 	int		 child;
412 	struct tag	*t;
413 
414 	child = 1;
415 	t = h->tags.head;
416 
417 	bufinit(h);
418 	switch (n->type) {
419 	case (MDOC_ROOT):
420 		child = mdoc_root_pre(m, n, h);
421 		break;
422 	case (MDOC_TEXT):
423 		print_text(h, n->string);
424 		return;
425 	case (MDOC_TBL):
426 		print_tbl(h, n->span);
427 		break;
428 	default:
429 		if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
430 			child = (*mdocs[n->tok].pre)(m, n, h);
431 		break;
432 	}
433 
434 	if (HTML_KEEP & h->flags) {
435 		if (n->prev && n->prev->line != n->line) {
436 			h->flags &= ~HTML_KEEP;
437 			h->flags |= HTML_PREKEEP;
438 		} else if (NULL == n->prev) {
439 			if (n->parent && n->parent->line != n->line) {
440 				h->flags &= ~HTML_KEEP;
441 				h->flags |= HTML_PREKEEP;
442 			}
443 		}
444 	}
445 
446 	if (child && n->child)
447 		print_mdoc_nodelist(m, n->child, h);
448 
449 	print_stagq(h, t);
450 
451 	bufinit(h);
452 	switch (n->type) {
453 	case (MDOC_ROOT):
454 		mdoc_root_post(m, n, h);
455 		break;
456 	case (MDOC_TBL):
457 		break;
458 	default:
459 		if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
460 			(*mdocs[n->tok].post)(m, n, h);
461 		break;
462 	}
463 }
464 
465 /* ARGSUSED */
466 static void
467 mdoc_root_post(MDOC_ARGS)
468 {
469 	struct htmlpair	 tag[3];
470 	struct tag	*t, *tt;
471 	char		 b[DATESIZ];
472 
473 	time2a(m->date, b, DATESIZ);
474 
475 	PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
476 	PAIR_CLASS_INIT(&tag[1], "foot");
477 	if (NULL == h->style) {
478 		PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
479 		t = print_otag(h, TAG_TABLE, 3, tag);
480 		PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
481 		print_otag(h, TAG_COL, 1, tag);
482 		print_otag(h, TAG_COL, 1, tag);
483 	} else
484 		t = print_otag(h, TAG_TABLE, 2, tag);
485 
486 	t = print_otag(h, TAG_TBODY, 0, NULL);
487 
488 	tt = print_otag(h, TAG_TR, 0, NULL);
489 
490 	PAIR_CLASS_INIT(&tag[0], "foot-date");
491 	print_otag(h, TAG_TD, 1, tag);
492 
493 	print_text(h, b);
494 	print_stagq(h, tt);
495 
496 	PAIR_CLASS_INIT(&tag[0], "foot-os");
497 	if (NULL == h->style) {
498 		PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
499 		print_otag(h, TAG_TD, 2, tag);
500 	} else
501 		print_otag(h, TAG_TD, 1, tag);
502 
503 	print_text(h, m->os);
504 	print_tagq(h, t);
505 }
506 
507 
508 /* ARGSUSED */
509 static int
510 mdoc_root_pre(MDOC_ARGS)
511 {
512 	struct htmlpair	 tag[3];
513 	struct tag	*t, *tt;
514 	char		 b[BUFSIZ], title[BUFSIZ];
515 
516 	strlcpy(b, m->vol, BUFSIZ);
517 
518 	if (m->arch) {
519 		strlcat(b, " (", BUFSIZ);
520 		strlcat(b, m->arch, BUFSIZ);
521 		strlcat(b, ")", BUFSIZ);
522 	}
523 
524 	snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
525 
526 	PAIR_SUMMARY_INIT(&tag[0], "Document Header");
527 	PAIR_CLASS_INIT(&tag[1], "head");
528 	if (NULL == h->style) {
529 		PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
530 		t = print_otag(h, TAG_TABLE, 3, tag);
531 		PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
532 		print_otag(h, TAG_COL, 1, tag);
533 		print_otag(h, TAG_COL, 1, tag);
534 		print_otag(h, TAG_COL, 1, tag);
535 	} else
536 		t = print_otag(h, TAG_TABLE, 2, tag);
537 
538 	print_otag(h, TAG_TBODY, 0, NULL);
539 
540 	tt = print_otag(h, TAG_TR, 0, NULL);
541 
542 	PAIR_CLASS_INIT(&tag[0], "head-ltitle");
543 	print_otag(h, TAG_TD, 1, tag);
544 
545 	print_text(h, title);
546 	print_stagq(h, tt);
547 
548 	PAIR_CLASS_INIT(&tag[0], "head-vol");
549 	if (NULL == h->style) {
550 		PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
551 		print_otag(h, TAG_TD, 2, tag);
552 	} else
553 		print_otag(h, TAG_TD, 1, tag);
554 
555 	print_text(h, b);
556 	print_stagq(h, tt);
557 
558 	PAIR_CLASS_INIT(&tag[0], "head-rtitle");
559 	if (NULL == h->style) {
560 		PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
561 		print_otag(h, TAG_TD, 2, tag);
562 	} else
563 		print_otag(h, TAG_TD, 1, tag);
564 
565 	print_text(h, title);
566 	print_tagq(h, t);
567 	return(1);
568 }
569 
570 
571 /* ARGSUSED */
572 static int
573 mdoc_sh_pre(MDOC_ARGS)
574 {
575 	struct htmlpair	 tag;
576 	char		 buf[BUFSIZ];
577 
578 	if (MDOC_BLOCK == n->type) {
579 		PAIR_CLASS_INIT(&tag, "section");
580 		print_otag(h, TAG_DIV, 1, &tag);
581 		return(1);
582 	} else if (MDOC_BODY == n->type)
583 		return(1);
584 
585 	buf[0] = '\0';
586 	for (n = n->child; n; n = n->next) {
587 		html_idcat(buf, n->string, BUFSIZ);
588 		if (n->next)
589 			html_idcat(buf, " ", BUFSIZ);
590 	}
591 
592 	PAIR_ID_INIT(&tag, buf);
593 	print_otag(h, TAG_H1, 1, &tag);
594 	return(1);
595 }
596 
597 
598 /* ARGSUSED */
599 static int
600 mdoc_ss_pre(MDOC_ARGS)
601 {
602 	struct htmlpair	 tag;
603 	char		 buf[BUFSIZ];
604 
605 	if (MDOC_BLOCK == n->type) {
606 		PAIR_CLASS_INIT(&tag, "subsection");
607 		print_otag(h, TAG_DIV, 1, &tag);
608 		return(1);
609 	} else if (MDOC_BODY == n->type)
610 		return(1);
611 
612 	buf[0] = '\0';
613 	for (n = n->child; n; n = n->next) {
614 		html_idcat(buf, n->string, BUFSIZ);
615 		if (n->next)
616 			html_idcat(buf, " ", BUFSIZ);
617 	}
618 
619 	PAIR_ID_INIT(&tag, buf);
620 	print_otag(h, TAG_H2, 1, &tag);
621 	return(1);
622 }
623 
624 
625 /* ARGSUSED */
626 static int
627 mdoc_fl_pre(MDOC_ARGS)
628 {
629 	struct htmlpair	 tag;
630 
631 	PAIR_CLASS_INIT(&tag, "flag");
632 	print_otag(h, TAG_B, 1, &tag);
633 
634 	/* `Cm' has no leading hyphen. */
635 
636 	if (MDOC_Cm == n->tok)
637 		return(1);
638 
639 	print_text(h, "\\-");
640 
641 	if (n->child)
642 		h->flags |= HTML_NOSPACE;
643 	else if (n->next && n->next->line == n->line)
644 		h->flags |= HTML_NOSPACE;
645 
646 	return(1);
647 }
648 
649 
650 /* ARGSUSED */
651 static int
652 mdoc_nd_pre(MDOC_ARGS)
653 {
654 	struct htmlpair	 tag;
655 
656 	if (MDOC_BODY != n->type)
657 		return(1);
658 
659 	/* XXX: this tag in theory can contain block elements. */
660 
661 	print_text(h, "\\(em");
662 	PAIR_CLASS_INIT(&tag, "desc");
663 	print_otag(h, TAG_SPAN, 1, &tag);
664 	return(1);
665 }
666 
667 
668 static int
669 mdoc_nm_pre(MDOC_ARGS)
670 {
671 	struct htmlpair	 tag;
672 	struct roffsu	 su;
673 	size_t		 len;
674 
675 	switch (n->type) {
676 	case (MDOC_ELEM):
677 		synopsis_pre(h, n);
678 		PAIR_CLASS_INIT(&tag, "name");
679 		print_otag(h, TAG_B, 1, &tag);
680 		if (NULL == n->child && m->name)
681 			print_text(h, m->name);
682 		return(1);
683 	case (MDOC_HEAD):
684 		print_otag(h, TAG_TD, 0, NULL);
685 		if (NULL == n->child && m->name)
686 			print_text(h, m->name);
687 		return(1);
688 	case (MDOC_BODY):
689 		print_otag(h, TAG_TD, 0, NULL);
690 		return(1);
691 	default:
692 		break;
693 	}
694 
695 	synopsis_pre(h, n);
696 	PAIR_CLASS_INIT(&tag, "synopsis");
697 	print_otag(h, TAG_TABLE, 1, &tag);
698 
699 	for (len = 0, n = n->child; n; n = n->next)
700 		if (MDOC_TEXT == n->type)
701 			len += strlen(n->string);
702 
703 	if (0 == len && m->name)
704 		len = strlen(m->name);
705 
706 	SCALE_HS_INIT(&su, (double)len);
707 	bufcat_su(h, "width", &su);
708 	PAIR_STYLE_INIT(&tag, h);
709 	print_otag(h, TAG_COL, 1, &tag);
710 	print_otag(h, TAG_COL, 0, NULL);
711 	print_otag(h, TAG_TBODY, 0, NULL);
712 	print_otag(h, TAG_TR, 0, NULL);
713 	return(1);
714 }
715 
716 
717 /* ARGSUSED */
718 static int
719 mdoc_xr_pre(MDOC_ARGS)
720 {
721 	struct htmlpair	 	 tag[2];
722 	const struct mdoc_node	*nn;
723 
724 	if (NULL == n->child)
725 		return(0);
726 
727 	PAIR_CLASS_INIT(&tag[0], "link-man");
728 
729 	if (h->base_man) {
730 		buffmt_man(h, n->child->string,
731 				n->child->next ?
732 				n->child->next->string : NULL);
733 		PAIR_HREF_INIT(&tag[1], h->buf);
734 		print_otag(h, TAG_A, 2, tag);
735 	} else
736 		print_otag(h, TAG_A, 1, tag);
737 
738 	nn = n->child;
739 	print_text(h, nn->string);
740 
741 	if (NULL == (nn = nn->next))
742 		return(0);
743 
744 	h->flags |= HTML_NOSPACE;
745 	print_text(h, "(");
746 	h->flags |= HTML_NOSPACE;
747 	print_text(h, nn->string);
748 	h->flags |= HTML_NOSPACE;
749 	print_text(h, ")");
750 	return(0);
751 }
752 
753 
754 /* ARGSUSED */
755 static int
756 mdoc_ns_pre(MDOC_ARGS)
757 {
758 
759 	h->flags |= HTML_NOSPACE;
760 	return(1);
761 }
762 
763 
764 /* ARGSUSED */
765 static int
766 mdoc_ar_pre(MDOC_ARGS)
767 {
768 	struct htmlpair tag;
769 
770 	PAIR_CLASS_INIT(&tag, "arg");
771 	print_otag(h, TAG_I, 1, &tag);
772 	return(1);
773 }
774 
775 
776 /* ARGSUSED */
777 static int
778 mdoc_xx_pre(MDOC_ARGS)
779 {
780 	const char	*pp;
781 	struct htmlpair	 tag;
782 
783 	switch (n->tok) {
784 	case (MDOC_Bsx):
785 		pp = "BSD/OS";
786 		break;
787 	case (MDOC_Dx):
788 		pp = "DragonFly";
789 		break;
790 	case (MDOC_Fx):
791 		pp = "FreeBSD";
792 		break;
793 	case (MDOC_Nx):
794 		pp = "NetBSD";
795 		break;
796 	case (MDOC_Ox):
797 		pp = "OpenBSD";
798 		break;
799 	case (MDOC_Ux):
800 		pp = "UNIX";
801 		break;
802 	default:
803 		return(1);
804 	}
805 
806 	PAIR_CLASS_INIT(&tag, "unix");
807 	print_otag(h, TAG_SPAN, 1, &tag);
808 	print_text(h, pp);
809 	return(1);
810 }
811 
812 
813 /* ARGSUSED */
814 static int
815 mdoc_bx_pre(MDOC_ARGS)
816 {
817 	const struct mdoc_node	*nn;
818 	struct htmlpair		 tag;
819 
820 	PAIR_CLASS_INIT(&tag, "unix");
821 	print_otag(h, TAG_SPAN, 1, &tag);
822 
823 	for (nn = n->child; nn; nn = nn->next)
824 		print_mdoc_node(m, nn, h);
825 
826 	if (n->child)
827 		h->flags |= HTML_NOSPACE;
828 
829 	print_text(h, "BSD");
830 	return(0);
831 }
832 
833 /* ARGSUSED */
834 static int
835 mdoc_it_pre(MDOC_ARGS)
836 {
837 	struct roffsu	 su;
838 	enum mdoc_list	 type;
839 	struct htmlpair	 tag[2];
840 	const struct mdoc_node *bl;
841 
842 	bl = n->parent;
843 	while (bl && MDOC_Bl != bl->tok)
844 		bl = bl->parent;
845 
846 	assert(bl);
847 
848 	type = bl->norm->Bl.type;
849 
850 	assert(lists[type]);
851 	PAIR_CLASS_INIT(&tag[0], lists[type]);
852 
853 	if (MDOC_HEAD == n->type) {
854 		switch (type) {
855 		case(LIST_bullet):
856 			/* FALLTHROUGH */
857 		case(LIST_dash):
858 			/* FALLTHROUGH */
859 		case(LIST_item):
860 			/* FALLTHROUGH */
861 		case(LIST_hyphen):
862 			/* FALLTHROUGH */
863 		case(LIST_enum):
864 			return(0);
865 		case(LIST_diag):
866 			/* FALLTHROUGH */
867 		case(LIST_hang):
868 			/* FALLTHROUGH */
869 		case(LIST_inset):
870 			/* FALLTHROUGH */
871 		case(LIST_ohang):
872 			/* FALLTHROUGH */
873 		case(LIST_tag):
874 			SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
875 			bufcat_su(h, "margin-top", &su);
876 			PAIR_STYLE_INIT(&tag[1], h);
877 			print_otag(h, TAG_DT, 2, tag);
878 			if (LIST_diag != type)
879 				break;
880 			PAIR_CLASS_INIT(&tag[0], "diag");
881 			print_otag(h, TAG_B, 1, tag);
882 			break;
883 		case(LIST_column):
884 			break;
885 		default:
886 			break;
887 		}
888 	} else if (MDOC_BODY == n->type) {
889 		switch (type) {
890 		case(LIST_bullet):
891 			/* FALLTHROUGH */
892 		case(LIST_hyphen):
893 			/* FALLTHROUGH */
894 		case(LIST_dash):
895 			/* FALLTHROUGH */
896 		case(LIST_enum):
897 			/* FALLTHROUGH */
898 		case(LIST_item):
899 			SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
900 			bufcat_su(h, "margin-top", &su);
901 			PAIR_STYLE_INIT(&tag[1], h);
902 			print_otag(h, TAG_LI, 2, tag);
903 			break;
904 		case(LIST_diag):
905 			/* FALLTHROUGH */
906 		case(LIST_hang):
907 			/* FALLTHROUGH */
908 		case(LIST_inset):
909 			/* FALLTHROUGH */
910 		case(LIST_ohang):
911 			/* FALLTHROUGH */
912 		case(LIST_tag):
913 			if (NULL == bl->norm->Bl.width) {
914 				print_otag(h, TAG_DD, 1, tag);
915 				break;
916 			}
917 			a2width(bl->norm->Bl.width, &su);
918 			bufcat_su(h, "margin-left", &su);
919 			PAIR_STYLE_INIT(&tag[1], h);
920 			print_otag(h, TAG_DD, 2, tag);
921 			break;
922 		case(LIST_column):
923 			SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
924 			bufcat_su(h, "margin-top", &su);
925 			PAIR_STYLE_INIT(&tag[1], h);
926 			print_otag(h, TAG_TD, 2, tag);
927 			break;
928 		default:
929 			break;
930 		}
931 	} else {
932 		switch (type) {
933 		case (LIST_column):
934 			print_otag(h, TAG_TR, 1, tag);
935 			break;
936 		default:
937 			break;
938 		}
939 	}
940 
941 	return(1);
942 }
943 
944 /* ARGSUSED */
945 static int
946 mdoc_bl_pre(MDOC_ARGS)
947 {
948 	int		 i;
949 	struct htmlpair	 tag[3];
950 	struct roffsu	 su;
951 	char		 buf[BUFSIZ];
952 
953 	if (MDOC_BODY == n->type) {
954 		if (LIST_column == n->norm->Bl.type)
955 			print_otag(h, TAG_TBODY, 0, NULL);
956 		return(1);
957 	}
958 
959 	if (MDOC_HEAD == n->type) {
960 		if (LIST_column != n->norm->Bl.type)
961 			return(0);
962 
963 		/*
964 		 * For each column, print out the <COL> tag with our
965 		 * suggested width.  The last column gets min-width, as
966 		 * in terminal mode it auto-sizes to the width of the
967 		 * screen and we want to preserve that behaviour.
968 		 */
969 
970 		for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
971 			a2width(n->norm->Bl.cols[i], &su);
972 			bufinit(h);
973 			if (i < (int)n->norm->Bl.ncols - 1)
974 				bufcat_su(h, "width", &su);
975 			else
976 				bufcat_su(h, "min-width", &su);
977 			PAIR_STYLE_INIT(&tag[0], h);
978 			print_otag(h, TAG_COL, 1, tag);
979 		}
980 
981 		return(0);
982 	}
983 
984 	SCALE_VS_INIT(&su, 0);
985 	bufcat_su(h, "margin-top", &su);
986 	bufcat_su(h, "margin-bottom", &su);
987 	PAIR_STYLE_INIT(&tag[0], h);
988 
989 	assert(lists[n->norm->Bl.type]);
990 	strlcpy(buf, "list ", BUFSIZ);
991 	strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
992 	PAIR_INIT(&tag[1], ATTR_CLASS, buf);
993 
994 	/* Set the block's left-hand margin. */
995 
996 	if (n->norm->Bl.offs) {
997 		a2offs(n->norm->Bl.offs, &su);
998 		bufcat_su(h, "margin-left", &su);
999 	}
1000 
1001 	switch (n->norm->Bl.type) {
1002 	case(LIST_bullet):
1003 		/* FALLTHROUGH */
1004 	case(LIST_dash):
1005 		/* FALLTHROUGH */
1006 	case(LIST_hyphen):
1007 		/* FALLTHROUGH */
1008 	case(LIST_item):
1009 		print_otag(h, TAG_UL, 2, tag);
1010 		break;
1011 	case(LIST_enum):
1012 		print_otag(h, TAG_OL, 2, tag);
1013 		break;
1014 	case(LIST_diag):
1015 		/* FALLTHROUGH */
1016 	case(LIST_hang):
1017 		/* FALLTHROUGH */
1018 	case(LIST_inset):
1019 		/* FALLTHROUGH */
1020 	case(LIST_ohang):
1021 		/* FALLTHROUGH */
1022 	case(LIST_tag):
1023 		print_otag(h, TAG_DL, 2, tag);
1024 		break;
1025 	case(LIST_column):
1026 		print_otag(h, TAG_TABLE, 2, tag);
1027 		break;
1028 	default:
1029 		abort();
1030 		/* NOTREACHED */
1031 	}
1032 
1033 	return(1);
1034 }
1035 
1036 /* ARGSUSED */
1037 static int
1038 mdoc_ex_pre(MDOC_ARGS)
1039 {
1040 	const struct mdoc_node	*nn;
1041 	struct tag		*t;
1042 	struct htmlpair		 tag;
1043 
1044 	if (n->prev)
1045 		print_otag(h, TAG_BR, 0, NULL);
1046 
1047 	PAIR_CLASS_INIT(&tag, "utility");
1048 
1049 	print_text(h, "The");
1050 	for (nn = n->child; nn; nn = nn->next) {
1051 		t = print_otag(h, TAG_B, 1, &tag);
1052 		print_text(h, nn->string);
1053 		print_tagq(h, t);
1054 
1055 		h->flags |= HTML_NOSPACE;
1056 
1057 		if (nn->next && NULL == nn->next->next)
1058 			print_text(h, ", and");
1059 		else if (nn->next)
1060 			print_text(h, ",");
1061 		else
1062 			h->flags &= ~HTML_NOSPACE;
1063 	}
1064 
1065 	if (n->child && n->child->next)
1066 		print_text(h, "utilities exit");
1067 	else
1068 		print_text(h, "utility exits");
1069 
1070        	print_text(h, "0 on success, and >0 if an error occurs.");
1071 	return(0);
1072 }
1073 
1074 
1075 /* ARGSUSED */
1076 static int
1077 mdoc_em_pre(MDOC_ARGS)
1078 {
1079 	struct htmlpair	tag;
1080 
1081 	PAIR_CLASS_INIT(&tag, "emph");
1082 	print_otag(h, TAG_SPAN, 1, &tag);
1083 	return(1);
1084 }
1085 
1086 
1087 /* ARGSUSED */
1088 static int
1089 mdoc_d1_pre(MDOC_ARGS)
1090 {
1091 	struct htmlpair	 tag[2];
1092 	struct roffsu	 su;
1093 
1094 	if (MDOC_BLOCK != n->type)
1095 		return(1);
1096 
1097 	SCALE_VS_INIT(&su, 0);
1098 	bufcat_su(h, "margin-top", &su);
1099 	bufcat_su(h, "margin-bottom", &su);
1100 	PAIR_STYLE_INIT(&tag[0], h);
1101 	print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1102 
1103 	/* BLOCKQUOTE needs a block body. */
1104 
1105 	PAIR_CLASS_INIT(&tag[0], "display");
1106 	print_otag(h, TAG_DIV, 1, tag);
1107 
1108 	if (MDOC_Dl == n->tok) {
1109 		PAIR_CLASS_INIT(&tag[0], "lit");
1110 		print_otag(h, TAG_CODE, 1, tag);
1111 	}
1112 
1113 	return(1);
1114 }
1115 
1116 
1117 /* ARGSUSED */
1118 static int
1119 mdoc_sx_pre(MDOC_ARGS)
1120 {
1121 	struct htmlpair		 tag[2];
1122 	const struct mdoc_node	*nn;
1123 	char			 buf[BUFSIZ];
1124 
1125 	strlcpy(buf, "#", BUFSIZ);
1126 	for (nn = n->child; nn; nn = nn->next) {
1127 		html_idcat(buf, nn->string, BUFSIZ);
1128 		if (nn->next)
1129 			html_idcat(buf, " ", BUFSIZ);
1130 	}
1131 
1132 	PAIR_CLASS_INIT(&tag[0], "link-sec");
1133 	PAIR_HREF_INIT(&tag[1], buf);
1134 
1135 	print_otag(h, TAG_I, 1, tag);
1136 	print_otag(h, TAG_A, 2, tag);
1137 	return(1);
1138 }
1139 
1140 
1141 /* ARGSUSED */
1142 static int
1143 mdoc_bd_pre(MDOC_ARGS)
1144 {
1145 	struct htmlpair	 	 tag[2];
1146 	int		 	 comp;
1147 	const struct mdoc_node	*nn;
1148 	struct roffsu		 su;
1149 
1150 	if (MDOC_HEAD == n->type)
1151 		return(0);
1152 
1153 	if (MDOC_BLOCK == n->type) {
1154 		comp = n->norm->Bd.comp;
1155 		for (nn = n; nn && ! comp; nn = nn->parent) {
1156 			if (MDOC_BLOCK != nn->type)
1157 				continue;
1158 			if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1159 				comp = 1;
1160 			if (nn->prev)
1161 				break;
1162 		}
1163 		if ( ! comp)
1164 			print_otag(h, TAG_P, 0, NULL);
1165 		return(1);
1166 	}
1167 
1168 	SCALE_HS_INIT(&su, 0);
1169 	if (n->norm->Bd.offs)
1170 		a2offs(n->norm->Bd.offs, &su);
1171 
1172 	bufcat_su(h, "margin-left", &su);
1173 	PAIR_STYLE_INIT(&tag[0], h);
1174 
1175 	if (DISP_unfilled != n->norm->Bd.type &&
1176 			DISP_literal != n->norm->Bd.type) {
1177 		PAIR_CLASS_INIT(&tag[1], "display");
1178 		print_otag(h, TAG_DIV, 2, tag);
1179 		return(1);
1180 	}
1181 
1182 	PAIR_CLASS_INIT(&tag[1], "lit display");
1183 	print_otag(h, TAG_PRE, 2, tag);
1184 
1185 	for (nn = n->child; nn; nn = nn->next) {
1186 		print_mdoc_node(m, nn, h);
1187 		/*
1188 		 * If the printed node flushes its own line, then we
1189 		 * needn't do it here as well.  This is hacky, but the
1190 		 * notion of selective eoln whitespace is pretty dumb
1191 		 * anyway, so don't sweat it.
1192 		 */
1193 		switch (nn->tok) {
1194 		case (MDOC_Sm):
1195 			/* FALLTHROUGH */
1196 		case (MDOC_br):
1197 			/* FALLTHROUGH */
1198 		case (MDOC_sp):
1199 			/* FALLTHROUGH */
1200 		case (MDOC_Bl):
1201 			/* FALLTHROUGH */
1202 		case (MDOC_D1):
1203 			/* FALLTHROUGH */
1204 		case (MDOC_Dl):
1205 			/* FALLTHROUGH */
1206 		case (MDOC_Lp):
1207 			/* FALLTHROUGH */
1208 		case (MDOC_Pp):
1209 			continue;
1210 		default:
1211 			break;
1212 		}
1213 		if (nn->next && nn->next->line == nn->line)
1214 			continue;
1215 		else if (nn->next)
1216 			print_text(h, "\n");
1217 
1218 		h->flags |= HTML_NOSPACE;
1219 	}
1220 
1221 	return(0);
1222 }
1223 
1224 
1225 /* ARGSUSED */
1226 static int
1227 mdoc_pa_pre(MDOC_ARGS)
1228 {
1229 	struct htmlpair	tag;
1230 
1231 	PAIR_CLASS_INIT(&tag, "file");
1232 	print_otag(h, TAG_I, 1, &tag);
1233 	return(1);
1234 }
1235 
1236 
1237 /* ARGSUSED */
1238 static int
1239 mdoc_ad_pre(MDOC_ARGS)
1240 {
1241 	struct htmlpair	tag;
1242 
1243 	PAIR_CLASS_INIT(&tag, "addr");
1244 	print_otag(h, TAG_I, 1, &tag);
1245 	return(1);
1246 }
1247 
1248 
1249 /* ARGSUSED */
1250 static int
1251 mdoc_an_pre(MDOC_ARGS)
1252 {
1253 	struct htmlpair	tag;
1254 
1255 	/* TODO: -split and -nosplit (see termp_an_pre()). */
1256 
1257 	PAIR_CLASS_INIT(&tag, "author");
1258 	print_otag(h, TAG_SPAN, 1, &tag);
1259 	return(1);
1260 }
1261 
1262 
1263 /* ARGSUSED */
1264 static int
1265 mdoc_cd_pre(MDOC_ARGS)
1266 {
1267 	struct htmlpair	tag;
1268 
1269 	synopsis_pre(h, n);
1270 	PAIR_CLASS_INIT(&tag, "config");
1271 	print_otag(h, TAG_B, 1, &tag);
1272 	return(1);
1273 }
1274 
1275 
1276 /* ARGSUSED */
1277 static int
1278 mdoc_dv_pre(MDOC_ARGS)
1279 {
1280 	struct htmlpair	tag;
1281 
1282 	PAIR_CLASS_INIT(&tag, "define");
1283 	print_otag(h, TAG_SPAN, 1, &tag);
1284 	return(1);
1285 }
1286 
1287 
1288 /* ARGSUSED */
1289 static int
1290 mdoc_ev_pre(MDOC_ARGS)
1291 {
1292 	struct htmlpair	tag;
1293 
1294 	PAIR_CLASS_INIT(&tag, "env");
1295 	print_otag(h, TAG_SPAN, 1, &tag);
1296 	return(1);
1297 }
1298 
1299 
1300 /* ARGSUSED */
1301 static int
1302 mdoc_er_pre(MDOC_ARGS)
1303 {
1304 	struct htmlpair	tag;
1305 
1306 	PAIR_CLASS_INIT(&tag, "errno");
1307 	print_otag(h, TAG_SPAN, 1, &tag);
1308 	return(1);
1309 }
1310 
1311 
1312 /* ARGSUSED */
1313 static int
1314 mdoc_fa_pre(MDOC_ARGS)
1315 {
1316 	const struct mdoc_node	*nn;
1317 	struct htmlpair		 tag;
1318 	struct tag		*t;
1319 
1320 	PAIR_CLASS_INIT(&tag, "farg");
1321 	if (n->parent->tok != MDOC_Fo) {
1322 		print_otag(h, TAG_I, 1, &tag);
1323 		return(1);
1324 	}
1325 
1326 	for (nn = n->child; nn; nn = nn->next) {
1327 		t = print_otag(h, TAG_I, 1, &tag);
1328 		print_text(h, nn->string);
1329 		print_tagq(h, t);
1330 		if (nn->next)
1331 			print_text(h, ",");
1332 	}
1333 
1334 	if (n->child && n->next && n->next->tok == MDOC_Fa)
1335 		print_text(h, ",");
1336 
1337 	return(0);
1338 }
1339 
1340 
1341 /* ARGSUSED */
1342 static int
1343 mdoc_fd_pre(MDOC_ARGS)
1344 {
1345 	struct htmlpair	 tag;
1346 
1347 	synopsis_pre(h, n);
1348 
1349 	PAIR_CLASS_INIT(&tag, "macro");
1350 	print_otag(h, TAG_B, 1, &tag);
1351 	return(1);
1352 }
1353 
1354 
1355 /* ARGSUSED */
1356 static int
1357 mdoc_vt_pre(MDOC_ARGS)
1358 {
1359 	struct htmlpair	 tag;
1360 
1361 	if (MDOC_BLOCK == n->type) {
1362 		synopsis_pre(h, n);
1363 		return(1);
1364 	} else if (MDOC_ELEM == n->type) {
1365 		synopsis_pre(h, n);
1366 	} else if (MDOC_HEAD == n->type)
1367 		return(0);
1368 
1369 	PAIR_CLASS_INIT(&tag, "type");
1370 	print_otag(h, TAG_SPAN, 1, &tag);
1371 	return(1);
1372 }
1373 
1374 
1375 /* ARGSUSED */
1376 static int
1377 mdoc_ft_pre(MDOC_ARGS)
1378 {
1379 	struct htmlpair	 tag;
1380 
1381 	synopsis_pre(h, n);
1382 	PAIR_CLASS_INIT(&tag, "ftype");
1383 	print_otag(h, TAG_I, 1, &tag);
1384 	return(1);
1385 }
1386 
1387 
1388 /* ARGSUSED */
1389 static int
1390 mdoc_fn_pre(MDOC_ARGS)
1391 {
1392 	struct tag		*t;
1393 	struct htmlpair	 	 tag[2];
1394 	const struct mdoc_node	*nn;
1395 	char			 nbuf[BUFSIZ];
1396 	const char		*sp, *ep;
1397 	int			 sz, i;
1398 
1399 	synopsis_pre(h, n);
1400 
1401 	/* Split apart into type and name. */
1402 	assert(n->child->string);
1403 	sp = n->child->string;
1404 
1405 	ep = strchr(sp, ' ');
1406 	if (NULL != ep) {
1407 		PAIR_CLASS_INIT(&tag[0], "ftype");
1408 		t = print_otag(h, TAG_I, 1, tag);
1409 
1410 		while (ep) {
1411 			sz = MIN((int)(ep - sp), BUFSIZ - 1);
1412 			(void)memcpy(nbuf, sp, (size_t)sz);
1413 			nbuf[sz] = '\0';
1414 			print_text(h, nbuf);
1415 			sp = ++ep;
1416 			ep = strchr(sp, ' ');
1417 		}
1418 		print_tagq(h, t);
1419 	}
1420 
1421 	PAIR_CLASS_INIT(&tag[0], "fname");
1422 
1423 	/*
1424 	 * FIXME: only refer to IDs that we know exist.
1425 	 */
1426 
1427 #if 0
1428 	if (MDOC_SYNPRETTY & n->flags) {
1429 		nbuf[0] = '\0';
1430 		html_idcat(nbuf, sp, BUFSIZ);
1431 		PAIR_ID_INIT(&tag[1], nbuf);
1432 	} else {
1433 		strlcpy(nbuf, "#", BUFSIZ);
1434 		html_idcat(nbuf, sp, BUFSIZ);
1435 		PAIR_HREF_INIT(&tag[1], nbuf);
1436 	}
1437 #endif
1438 
1439 	t = print_otag(h, TAG_B, 1, tag);
1440 
1441 	if (sp) {
1442 		strlcpy(nbuf, sp, BUFSIZ);
1443 		print_text(h, nbuf);
1444 	}
1445 
1446 	print_tagq(h, t);
1447 
1448 	h->flags |= HTML_NOSPACE;
1449 	print_text(h, "(");
1450 
1451 	bufinit(h);
1452 	PAIR_CLASS_INIT(&tag[0], "farg");
1453 	bufcat_style(h, "white-space", "nowrap");
1454 	PAIR_STYLE_INIT(&tag[1], h);
1455 
1456 	for (nn = n->child->next; nn; nn = nn->next) {
1457 		i = 1;
1458 		if (MDOC_SYNPRETTY & n->flags)
1459 			i = 2;
1460 		t = print_otag(h, TAG_I, i, tag);
1461 		print_text(h, nn->string);
1462 		print_tagq(h, t);
1463 		if (nn->next)
1464 			print_text(h, ",");
1465 	}
1466 
1467 	print_text(h, ")");
1468 	if (MDOC_SYNPRETTY & n->flags)
1469 		print_text(h, ";");
1470 
1471 	return(0);
1472 }
1473 
1474 
1475 /* ARGSUSED */
1476 static int
1477 mdoc_sm_pre(MDOC_ARGS)
1478 {
1479 
1480 	assert(n->child && MDOC_TEXT == n->child->type);
1481 	if (0 == strcmp("on", n->child->string)) {
1482 		/*
1483 		 * FIXME: no p->col to check.  Thus, if we have
1484 		 *  .Bd -literal
1485 		 *  .Sm off
1486 		 *  1 2
1487 		 *  .Sm on
1488 		 *  3
1489 		 *  .Ed
1490 		 * the "3" is preceded by a space.
1491 		 */
1492 		h->flags &= ~HTML_NOSPACE;
1493 		h->flags &= ~HTML_NONOSPACE;
1494 	} else
1495 		h->flags |= HTML_NONOSPACE;
1496 
1497 	return(0);
1498 }
1499 
1500 /* ARGSUSED */
1501 static int
1502 mdoc_pp_pre(MDOC_ARGS)
1503 {
1504 
1505 	print_otag(h, TAG_P, 0, NULL);
1506 	return(0);
1507 
1508 }
1509 
1510 /* ARGSUSED */
1511 static int
1512 mdoc_sp_pre(MDOC_ARGS)
1513 {
1514 	struct roffsu	 su;
1515 	struct htmlpair	 tag;
1516 
1517 	SCALE_VS_INIT(&su, 1);
1518 
1519 	if (MDOC_sp == n->tok) {
1520 		if (n->child)
1521 			a2roffsu(n->child->string, &su, SCALE_VS);
1522 	} else
1523 		su.scale = 0;
1524 
1525 	bufcat_su(h, "height", &su);
1526 	PAIR_STYLE_INIT(&tag, h);
1527 	print_otag(h, TAG_DIV, 1, &tag);
1528 
1529 	/* So the div isn't empty: */
1530 	print_text(h, "\\~");
1531 
1532 	return(0);
1533 
1534 }
1535 
1536 /* ARGSUSED */
1537 static int
1538 mdoc_lk_pre(MDOC_ARGS)
1539 {
1540 	const struct mdoc_node	*nn;
1541 	struct htmlpair		 tag[2];
1542 
1543 	nn = n->child;
1544 
1545 	PAIR_CLASS_INIT(&tag[0], "link-ext");
1546 	PAIR_HREF_INIT(&tag[1], nn->string);
1547 	print_otag(h, TAG_A, 2, tag);
1548 
1549 	if (NULL == nn || NULL == nn->next)
1550 		return(1);
1551 
1552 	for (nn = nn->next; nn; nn = nn->next)
1553 		print_text(h, nn->string);
1554 
1555 	return(0);
1556 }
1557 
1558 
1559 /* ARGSUSED */
1560 static int
1561 mdoc_mt_pre(MDOC_ARGS)
1562 {
1563 	struct htmlpair	 	 tag[2];
1564 	struct tag		*t;
1565 	const struct mdoc_node	*nn;
1566 
1567 	PAIR_CLASS_INIT(&tag[0], "link-mail");
1568 
1569 	for (nn = n->child; nn; nn = nn->next) {
1570 		bufinit(h);
1571 		bufcat(h, "mailto:");
1572 		bufcat(h, nn->string);
1573 		PAIR_HREF_INIT(&tag[1], h->buf);
1574 		t = print_otag(h, TAG_A, 2, tag);
1575 		print_text(h, nn->string);
1576 		print_tagq(h, t);
1577 	}
1578 
1579 	return(0);
1580 }
1581 
1582 
1583 /* ARGSUSED */
1584 static int
1585 mdoc_fo_pre(MDOC_ARGS)
1586 {
1587 	struct htmlpair	 tag;
1588 	struct tag	*t;
1589 
1590 	if (MDOC_BODY == n->type) {
1591 		h->flags |= HTML_NOSPACE;
1592 		print_text(h, "(");
1593 		h->flags |= HTML_NOSPACE;
1594 		return(1);
1595 	} else if (MDOC_BLOCK == n->type) {
1596 		synopsis_pre(h, n);
1597 		return(1);
1598 	}
1599 
1600 	/* XXX: we drop non-initial arguments as per groff. */
1601 
1602 	assert(n->child);
1603 	assert(n->child->string);
1604 
1605 	PAIR_CLASS_INIT(&tag, "fname");
1606 	t = print_otag(h, TAG_B, 1, &tag);
1607 	print_text(h, n->child->string);
1608 	print_tagq(h, t);
1609 	return(0);
1610 }
1611 
1612 
1613 /* ARGSUSED */
1614 static void
1615 mdoc_fo_post(MDOC_ARGS)
1616 {
1617 
1618 	if (MDOC_BODY != n->type)
1619 		return;
1620 	print_text(h, ")");
1621 	print_text(h, ";");
1622 }
1623 
1624 
1625 /* ARGSUSED */
1626 static int
1627 mdoc_in_pre(MDOC_ARGS)
1628 {
1629 	const struct mdoc_node	*nn;
1630 	struct tag		*t;
1631 	struct htmlpair		 tag[2];
1632 	int			 i;
1633 
1634 	synopsis_pre(h, n);
1635 
1636 	PAIR_CLASS_INIT(&tag[0], "includes");
1637 	print_otag(h, TAG_B, 1, tag);
1638 
1639 	if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1640 		print_text(h, "#include");
1641 
1642 	print_text(h, "<");
1643 	h->flags |= HTML_NOSPACE;
1644 
1645 	for (nn = n->child; nn; nn = nn->next) {
1646 		PAIR_CLASS_INIT(&tag[0], "link-includes");
1647 		i = 1;
1648 		bufinit(h);
1649 		if (h->base_includes) {
1650 			buffmt_includes(h, nn->string);
1651 			PAIR_HREF_INIT(&tag[i], h->buf);
1652 			i++;
1653 		}
1654 		t = print_otag(h, TAG_A, i, tag);
1655 		print_mdoc_node(m, nn, h);
1656 		print_tagq(h, t);
1657 	}
1658 
1659 	h->flags |= HTML_NOSPACE;
1660 	print_text(h, ">");
1661 
1662 	return(0);
1663 }
1664 
1665 
1666 /* ARGSUSED */
1667 static int
1668 mdoc_ic_pre(MDOC_ARGS)
1669 {
1670 	struct htmlpair	tag;
1671 
1672 	PAIR_CLASS_INIT(&tag, "cmd");
1673 	print_otag(h, TAG_B, 1, &tag);
1674 	return(1);
1675 }
1676 
1677 
1678 /* ARGSUSED */
1679 static int
1680 mdoc_rv_pre(MDOC_ARGS)
1681 {
1682 	const struct mdoc_node	*nn;
1683 	struct htmlpair		 tag;
1684 	struct tag		*t;
1685 
1686 	if (n->prev)
1687 		print_otag(h, TAG_BR, 0, NULL);
1688 
1689 	print_text(h, "The");
1690 
1691 	for (nn = n->child; nn; nn = nn->next) {
1692 		PAIR_CLASS_INIT(&tag, "fname");
1693 		t = print_otag(h, TAG_B, 1, &tag);
1694 		print_text(h, nn->string);
1695 		print_tagq(h, t);
1696 
1697 		h->flags |= HTML_NOSPACE;
1698 		if (nn->next && NULL == nn->next->next)
1699 			print_text(h, "(), and");
1700 		else if (nn->next)
1701 			print_text(h, "(),");
1702 		else
1703 			print_text(h, "()");
1704 	}
1705 
1706 	if (n->child && n->child->next)
1707 		print_text(h, "functions return");
1708 	else
1709 		print_text(h, "function returns");
1710 
1711        	print_text(h, "the value 0 if successful; otherwise the value "
1712 			"-1 is returned and the global variable");
1713 
1714 	PAIR_CLASS_INIT(&tag, "var");
1715 	t = print_otag(h, TAG_B, 1, &tag);
1716 	print_text(h, "errno");
1717 	print_tagq(h, t);
1718        	print_text(h, "is set to indicate the error.");
1719 	return(0);
1720 }
1721 
1722 
1723 /* ARGSUSED */
1724 static int
1725 mdoc_va_pre(MDOC_ARGS)
1726 {
1727 	struct htmlpair	tag;
1728 
1729 	PAIR_CLASS_INIT(&tag, "var");
1730 	print_otag(h, TAG_B, 1, &tag);
1731 	return(1);
1732 }
1733 
1734 
1735 /* ARGSUSED */
1736 static int
1737 mdoc_ap_pre(MDOC_ARGS)
1738 {
1739 
1740 	h->flags |= HTML_NOSPACE;
1741 	print_text(h, "\\(aq");
1742 	h->flags |= HTML_NOSPACE;
1743 	return(1);
1744 }
1745 
1746 
1747 /* ARGSUSED */
1748 static int
1749 mdoc_bf_pre(MDOC_ARGS)
1750 {
1751 	struct htmlpair	 tag[2];
1752 	struct roffsu	 su;
1753 
1754 	if (MDOC_HEAD == n->type)
1755 		return(0);
1756 	else if (MDOC_BODY != n->type)
1757 		return(1);
1758 
1759 	if (FONT_Em == n->norm->Bf.font)
1760 		PAIR_CLASS_INIT(&tag[0], "emph");
1761 	else if (FONT_Sy == n->norm->Bf.font)
1762 		PAIR_CLASS_INIT(&tag[0], "symb");
1763 	else if (FONT_Li == n->norm->Bf.font)
1764 		PAIR_CLASS_INIT(&tag[0], "lit");
1765 	else
1766 		PAIR_CLASS_INIT(&tag[0], "none");
1767 
1768 	/*
1769 	 * We want this to be inline-formatted, but needs to be div to
1770 	 * accept block children.
1771 	 */
1772 	bufcat_style(h, "display", "inline");
1773 	SCALE_HS_INIT(&su, 1);
1774 	/* Needs a left-margin for spacing. */
1775 	bufcat_su(h, "margin-left", &su);
1776 	PAIR_STYLE_INIT(&tag[1], h);
1777 	print_otag(h, TAG_DIV, 2, tag);
1778 	return(1);
1779 }
1780 
1781 
1782 /* ARGSUSED */
1783 static int
1784 mdoc_ms_pre(MDOC_ARGS)
1785 {
1786 	struct htmlpair	tag;
1787 
1788 	PAIR_CLASS_INIT(&tag, "symb");
1789 	print_otag(h, TAG_SPAN, 1, &tag);
1790 	return(1);
1791 }
1792 
1793 
1794 /* ARGSUSED */
1795 static int
1796 mdoc_igndelim_pre(MDOC_ARGS)
1797 {
1798 
1799 	h->flags |= HTML_IGNDELIM;
1800 	return(1);
1801 }
1802 
1803 
1804 /* ARGSUSED */
1805 static void
1806 mdoc_pf_post(MDOC_ARGS)
1807 {
1808 
1809 	h->flags |= HTML_NOSPACE;
1810 }
1811 
1812 
1813 /* ARGSUSED */
1814 static int
1815 mdoc_rs_pre(MDOC_ARGS)
1816 {
1817 	struct htmlpair	 tag;
1818 
1819 	if (MDOC_BLOCK != n->type)
1820 		return(1);
1821 
1822 	if (n->prev && SEC_SEE_ALSO == n->sec)
1823 		print_otag(h, TAG_P, 0, NULL);
1824 
1825 	PAIR_CLASS_INIT(&tag, "ref");
1826 	print_otag(h, TAG_SPAN, 1, &tag);
1827 	return(1);
1828 }
1829 
1830 
1831 
1832 /* ARGSUSED */
1833 static int
1834 mdoc_li_pre(MDOC_ARGS)
1835 {
1836 	struct htmlpair	tag;
1837 
1838 	PAIR_CLASS_INIT(&tag, "lit");
1839 	print_otag(h, TAG_SPAN, 1, &tag);
1840 	return(1);
1841 }
1842 
1843 
1844 /* ARGSUSED */
1845 static int
1846 mdoc_sy_pre(MDOC_ARGS)
1847 {
1848 	struct htmlpair	tag;
1849 
1850 	PAIR_CLASS_INIT(&tag, "symb");
1851 	print_otag(h, TAG_SPAN, 1, &tag);
1852 	return(1);
1853 }
1854 
1855 
1856 /* ARGSUSED */
1857 static int
1858 mdoc_bt_pre(MDOC_ARGS)
1859 {
1860 
1861 	print_text(h, "is currently in beta test.");
1862 	return(0);
1863 }
1864 
1865 
1866 /* ARGSUSED */
1867 static int
1868 mdoc_ud_pre(MDOC_ARGS)
1869 {
1870 
1871 	print_text(h, "currently under development.");
1872 	return(0);
1873 }
1874 
1875 
1876 /* ARGSUSED */
1877 static int
1878 mdoc_lb_pre(MDOC_ARGS)
1879 {
1880 	struct htmlpair	tag;
1881 
1882 	if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1883 		print_otag(h, TAG_BR, 0, NULL);
1884 
1885 	PAIR_CLASS_INIT(&tag, "lib");
1886 	print_otag(h, TAG_SPAN, 1, &tag);
1887 	return(1);
1888 }
1889 
1890 
1891 /* ARGSUSED */
1892 static int
1893 mdoc__x_pre(MDOC_ARGS)
1894 {
1895 	struct htmlpair	tag[2];
1896 	enum htmltag	t;
1897 
1898 	t = TAG_SPAN;
1899 
1900 	switch (n->tok) {
1901 	case(MDOC__A):
1902 		PAIR_CLASS_INIT(&tag[0], "ref-auth");
1903 		if (n->prev && MDOC__A == n->prev->tok)
1904 			if (NULL == n->next || MDOC__A != n->next->tok)
1905 				print_text(h, "and");
1906 		break;
1907 	case(MDOC__B):
1908 		PAIR_CLASS_INIT(&tag[0], "ref-book");
1909 		t = TAG_I;
1910 		break;
1911 	case(MDOC__C):
1912 		PAIR_CLASS_INIT(&tag[0], "ref-city");
1913 		break;
1914 	case(MDOC__D):
1915 		PAIR_CLASS_INIT(&tag[0], "ref-date");
1916 		break;
1917 	case(MDOC__I):
1918 		PAIR_CLASS_INIT(&tag[0], "ref-issue");
1919 		t = TAG_I;
1920 		break;
1921 	case(MDOC__J):
1922 		PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1923 		t = TAG_I;
1924 		break;
1925 	case(MDOC__N):
1926 		PAIR_CLASS_INIT(&tag[0], "ref-num");
1927 		break;
1928 	case(MDOC__O):
1929 		PAIR_CLASS_INIT(&tag[0], "ref-opt");
1930 		break;
1931 	case(MDOC__P):
1932 		PAIR_CLASS_INIT(&tag[0], "ref-page");
1933 		break;
1934 	case(MDOC__Q):
1935 		PAIR_CLASS_INIT(&tag[0], "ref-corp");
1936 		break;
1937 	case(MDOC__R):
1938 		PAIR_CLASS_INIT(&tag[0], "ref-rep");
1939 		break;
1940 	case(MDOC__T):
1941 		PAIR_CLASS_INIT(&tag[0], "ref-title");
1942 		break;
1943 	case(MDOC__U):
1944 		PAIR_CLASS_INIT(&tag[0], "link-ref");
1945 		break;
1946 	case(MDOC__V):
1947 		PAIR_CLASS_INIT(&tag[0], "ref-vol");
1948 		break;
1949 	default:
1950 		abort();
1951 		/* NOTREACHED */
1952 	}
1953 
1954 	if (MDOC__U != n->tok) {
1955 		print_otag(h, t, 1, tag);
1956 		return(1);
1957 	}
1958 
1959 	PAIR_HREF_INIT(&tag[1], n->child->string);
1960 	print_otag(h, TAG_A, 2, tag);
1961 
1962 	return(1);
1963 }
1964 
1965 
1966 /* ARGSUSED */
1967 static void
1968 mdoc__x_post(MDOC_ARGS)
1969 {
1970 
1971 	if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1972 		if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1973 			if (NULL == n->prev || MDOC__A != n->prev->tok)
1974 				return;
1975 
1976 	/* TODO: %U */
1977 
1978 	if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1979 		return;
1980 
1981 	print_text(h, n->next ? "," : ".");
1982 }
1983 
1984 
1985 /* ARGSUSED */
1986 static int
1987 mdoc_bk_pre(MDOC_ARGS)
1988 {
1989 
1990 	switch (n->type) {
1991 	case (MDOC_BLOCK):
1992 		break;
1993 	case (MDOC_HEAD):
1994 		return(0);
1995 	case (MDOC_BODY):
1996 		if (n->parent->args || 0 == n->prev->nchild)
1997 			h->flags |= HTML_PREKEEP;
1998 		break;
1999 	default:
2000 		abort();
2001 		/* NOTREACHED */
2002 	}
2003 
2004 	return(1);
2005 }
2006 
2007 
2008 /* ARGSUSED */
2009 static void
2010 mdoc_bk_post(MDOC_ARGS)
2011 {
2012 
2013 	if (MDOC_BODY == n->type)
2014 		h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2015 }
2016 
2017 
2018 /* ARGSUSED */
2019 static int
2020 mdoc_quote_pre(MDOC_ARGS)
2021 {
2022 	struct htmlpair	tag;
2023 
2024 	if (MDOC_BODY != n->type)
2025 		return(1);
2026 
2027 	switch (n->tok) {
2028 	case (MDOC_Ao):
2029 		/* FALLTHROUGH */
2030 	case (MDOC_Aq):
2031 		print_text(h, "\\(la");
2032 		break;
2033 	case (MDOC_Bro):
2034 		/* FALLTHROUGH */
2035 	case (MDOC_Brq):
2036 		print_text(h, "\\(lC");
2037 		break;
2038 	case (MDOC_Bo):
2039 		/* FALLTHROUGH */
2040 	case (MDOC_Bq):
2041 		print_text(h, "\\(lB");
2042 		break;
2043 	case (MDOC_Oo):
2044 		/* FALLTHROUGH */
2045 	case (MDOC_Op):
2046 		print_text(h, "\\(lB");
2047 		h->flags |= HTML_NOSPACE;
2048 		PAIR_CLASS_INIT(&tag, "opt");
2049 		print_otag(h, TAG_SPAN, 1, &tag);
2050 		break;
2051 	case (MDOC_Do):
2052 		/* FALLTHROUGH */
2053 	case (MDOC_Dq):
2054 		/* FALLTHROUGH */
2055 	case (MDOC_Qo):
2056 		/* FALLTHROUGH */
2057 	case (MDOC_Qq):
2058 		print_text(h, "\\(lq");
2059 		break;
2060 	case (MDOC_Po):
2061 		/* FALLTHROUGH */
2062 	case (MDOC_Pq):
2063 		print_text(h, "(");
2064 		break;
2065 	case (MDOC_Ql):
2066 		/* FALLTHROUGH */
2067 	case (MDOC_So):
2068 		/* FALLTHROUGH */
2069 	case (MDOC_Sq):
2070 		print_text(h, "\\(oq");
2071 		break;
2072 	default:
2073 		abort();
2074 		/* NOTREACHED */
2075 	}
2076 
2077 	h->flags |= HTML_NOSPACE;
2078 	return(1);
2079 }
2080 
2081 
2082 /* ARGSUSED */
2083 static void
2084 mdoc_quote_post(MDOC_ARGS)
2085 {
2086 
2087 	if (MDOC_BODY != n->type)
2088 		return;
2089 
2090 	h->flags |= HTML_NOSPACE;
2091 
2092 	switch (n->tok) {
2093 	case (MDOC_Ao):
2094 		/* FALLTHROUGH */
2095 	case (MDOC_Aq):
2096 		print_text(h, "\\(ra");
2097 		break;
2098 	case (MDOC_Bro):
2099 		/* FALLTHROUGH */
2100 	case (MDOC_Brq):
2101 		print_text(h, "\\(rC");
2102 		break;
2103 	case (MDOC_Oo):
2104 		/* FALLTHROUGH */
2105 	case (MDOC_Op):
2106 		/* FALLTHROUGH */
2107 	case (MDOC_Bo):
2108 		/* FALLTHROUGH */
2109 	case (MDOC_Bq):
2110 		print_text(h, "\\(rB");
2111 		break;
2112 	case (MDOC_Qo):
2113 		/* FALLTHROUGH */
2114 	case (MDOC_Qq):
2115 		/* FALLTHROUGH */
2116 	case (MDOC_Do):
2117 		/* FALLTHROUGH */
2118 	case (MDOC_Dq):
2119 		print_text(h, "\\(rq");
2120 		break;
2121 	case (MDOC_Po):
2122 		/* FALLTHROUGH */
2123 	case (MDOC_Pq):
2124 		print_text(h, ")");
2125 		break;
2126 	case (MDOC_Ql):
2127 		/* FALLTHROUGH */
2128 	case (MDOC_So):
2129 		/* FALLTHROUGH */
2130 	case (MDOC_Sq):
2131 		print_text(h, "\\(aq");
2132 		break;
2133 	default:
2134 		abort();
2135 		/* NOTREACHED */
2136 	}
2137 }
2138 
2139 
2140