]> git.cameronkatri.com Git - mandoc.git/blobdiff - man_html.c
In HTML output, avoid printing a newline right after <pre>
[mandoc.git] / man_html.c
index cb3040e211da3998dc13ed6583124919739c979a..147c20e46443118f00cbacd8609b713254452b48 100644 (file)
@@ -1,7 +1,7 @@
-/*     $Id: man_html.c,v 1.124 2017/01/18 19:22:22 schwarze Exp $ */
+/* $Id: man_html.c,v 1.179 2020/10/16 17:22:43 schwarze Exp $ */
 /*
+ * Copyright (c) 2013-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013, 2014, 2015, 2017 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
@@ -14,6 +14,8 @@
  * 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.
+ *
+ * HTML formatter for man(7) used by mandoc(1).
  */
 #include "config.h"
 
 #include <string.h>
 
 #include "mandoc_aux.h"
+#include "mandoc.h"
 #include "roff.h"
 #include "man.h"
 #include "out.h"
 #include "html.h"
 #include "main.h"
 
-/* TODO: preserve ident widths. */
-/* FIXME: have PD set the default vspace width. */
-
-#define        INDENT            5
-
 #define        MAN_ARGS          const struct roff_meta *man, \
-                         const struct roff_node *n, \
-                         struct mhtml *mh, \
+                         struct roff_node *n, \
                          struct html *h
 
-struct mhtml {
-       int               fl;
-#define        MANH_LITERAL     (1 << 0) /* literal context */
-};
-
-struct htmlman {
+struct man_html_act {
        int             (*pre)(MAN_ARGS);
        int             (*post)(MAN_ARGS);
 };
 
-static void              print_bvspace(struct html *,
-                               const struct roff_node *);
-static void              print_man_head(MAN_ARGS);
+static void              print_man_head(const struct roff_meta *,
+                               struct html *);
 static void              print_man_nodelist(MAN_ARGS);
 static void              print_man_node(MAN_ARGS);
-static int               a2width(const struct roff_node *,
-                               struct roffsu *);
+static char              list_continues(const struct roff_node *,
+                               const struct roff_node *);
 static int               man_B_pre(MAN_ARGS);
-static int               man_HP_pre(MAN_ARGS);
 static int               man_IP_pre(MAN_ARGS);
 static int               man_I_pre(MAN_ARGS);
 static int               man_OP_pre(MAN_ARGS);
@@ -68,27 +58,28 @@ static      int               man_PP_pre(MAN_ARGS);
 static int               man_RS_pre(MAN_ARGS);
 static int               man_SH_pre(MAN_ARGS);
 static int               man_SM_pre(MAN_ARGS);
-static int               man_SS_pre(MAN_ARGS);
+static int               man_SY_pre(MAN_ARGS);
 static int               man_UR_pre(MAN_ARGS);
+static int               man_abort_pre(MAN_ARGS);
 static int               man_alt_pre(MAN_ARGS);
-static int               man_br_pre(MAN_ARGS);
 static int               man_ign_pre(MAN_ARGS);
 static int               man_in_pre(MAN_ARGS);
-static int               man_literal_pre(MAN_ARGS);
-static void              man_root_post(MAN_ARGS);
-static void              man_root_pre(MAN_ARGS);
+static void              man_root_post(const struct roff_meta *,
+                               struct html *);
+static void              man_root_pre(const struct roff_meta *,
+                               struct html *);
 
-static const struct htmlman mans[MAN_MAX] = {
-       { man_br_pre, NULL }, /* br */
+static const struct man_html_act man_html_acts[MAN_MAX - MAN_TH] = {
        { NULL, NULL }, /* TH */
        { man_SH_pre, NULL }, /* SH */
-       { man_SS_pre, NULL }, /* SS */
+       { man_SH_pre, NULL }, /* SS */
        { man_IP_pre, NULL }, /* TP */
-       { man_PP_pre, NULL }, /* LP */
+       { man_IP_pre, NULL }, /* TQ */
+       { man_abort_pre, NULL }, /* LP */
        { man_PP_pre, NULL }, /* PP */
-       { man_PP_pre, NULL }, /* P */
+       { man_abort_pre, NULL }, /* P */
        { man_IP_pre, NULL }, /* IP */
-       { man_HP_pre, NULL }, /* HP */
+       { man_PP_pre, NULL }, /* HP */
        { man_SM_pre, NULL }, /* SM */
        { man_SM_pre, NULL }, /* SB */
        { man_alt_pre, NULL }, /* BI */
@@ -100,9 +91,6 @@ static       const struct htmlman mans[MAN_MAX] = {
        { man_I_pre, NULL }, /* I */
        { man_alt_pre, NULL }, /* IR */
        { man_alt_pre, NULL }, /* RI */
-       { man_br_pre, NULL }, /* sp */
-       { man_literal_pre, NULL }, /* nf */
-       { man_literal_pre, NULL }, /* fi */
        { NULL, NULL }, /* RE */
        { man_RS_pre, NULL }, /* RS */
        { man_ign_pre, NULL }, /* DT */
@@ -110,66 +98,49 @@ static     const struct htmlman mans[MAN_MAX] = {
        { man_ign_pre, NULL }, /* PD */
        { man_ign_pre, NULL }, /* AT */
        { man_in_pre, NULL }, /* in */
-       { man_ign_pre, NULL }, /* ft */
+       { man_SY_pre, NULL }, /* SY */
+       { NULL, NULL }, /* YS */
        { man_OP_pre, NULL }, /* OP */
-       { man_literal_pre, NULL }, /* EX */
-       { man_literal_pre, NULL }, /* EE */
+       { NULL, NULL }, /* EX */
+       { NULL, NULL }, /* EE */
        { man_UR_pre, NULL }, /* UR */
        { NULL, NULL }, /* UE */
-       { man_ign_pre, NULL }, /* ll */
+       { man_UR_pre, NULL }, /* MT */
+       { NULL, NULL }, /* ME */
 };
 
 
-/*
- * Printing leading vertical space before a block.
- * This is used for the paragraph macros.
- * The rules are pretty simple, since there's very little nesting going
- * on here.  Basically, if we're the first within another block (SS/SH),
- * then don't emit vertical space.  If we are (RS), then do.  If not the
- * first, print it.
- */
-static void
-print_bvspace(struct html *h, const struct roff_node *n)
-{
-
-       if (n->body && n->body->child)
-               if (n->body->child->type == ROFFT_TBL)
-                       return;
-
-       if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
-               if (NULL == n->prev)
-                       return;
-
-       print_paragraph(h);
-}
-
 void
-html_man(void *arg, const struct roff_man *man)
+html_man(void *arg, const struct roff_meta *man)
 {
-       struct mhtml     mh;
-       struct html     *h;
-       struct tag      *t, *tt;
+       struct html             *h;
+       struct roff_node        *n;
+       struct tag              *t;
 
-       memset(&mh, 0, sizeof(mh));
        h = (struct html *)arg;
+       n = man->first->child;
 
-       if ( ! (HTML_FRAGMENT & h->oflags)) {
+       if ((h->oflags & HTML_FRAGMENT) == 0) {
                print_gen_decls(h);
-               t = print_otag(h, TAG_HTML, "");
-               tt = print_otag(h, TAG_HEAD, "");
-               print_man_head(&man->meta, man->first, &mh, h);
-               print_tagq(h, tt);
+               print_otag(h, TAG_HTML, "");
+               if (n != NULL && n->type == ROFFT_COMMENT)
+                       print_gen_comment(h, n);
+               t = print_otag(h, TAG_HEAD, "");
+               print_man_head(man, h);
+               print_tagq(h, t);
                print_otag(h, TAG_BODY, "");
-               print_otag(h, TAG_DIV, "c", "mandoc");
-       } else
-               t = print_otag(h, TAG_DIV, "c", "mandoc");
+       }
 
-       print_man_nodelist(&man->meta, man->first, &mh, h);
+       man_root_pre(man, h);
+       t = print_otag(h, TAG_DIV, "c", "manual-text");
+       print_man_nodelist(man, n, h);
        print_tagq(h, t);
+       man_root_post(man, h);
+       print_tagq(h, NULL);
 }
 
 static void
-print_man_head(MAN_ARGS)
+print_man_head(const struct roff_meta *man, struct html *h)
 {
        char    *cp;
 
@@ -183,9 +154,8 @@ print_man_head(MAN_ARGS)
 static void
 print_man_nodelist(MAN_ARGS)
 {
-
        while (n != NULL) {
-               print_man_node(man, n, mh, h);
+               print_man_node(man, n, h);
                n = n->next;
        }
 }
@@ -193,30 +163,38 @@ print_man_nodelist(MAN_ARGS)
 static void
 print_man_node(MAN_ARGS)
 {
-       int              child;
        struct tag      *t;
+       int              child;
 
-       child = 1;
-       t = h->tags.head;
+       if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
+               return;
 
+       if ((n->flags & NODE_NOFILL) == 0)
+               html_fillmode(h, ROFF_fi);
+       else if (html_fillmode(h, ROFF_nf) == ROFF_nf &&
+           n->tok != ROFF_fi && n->flags & NODE_LINE &&
+           (n->prev == NULL || n->prev->tok != MAN_YS))
+               print_endline(h);
+
+       child = 1;
        switch (n->type) {
-       case ROFFT_ROOT:
-               man_root_pre(man, n, mh, h);
-               break;
        case ROFFT_TEXT:
-               if ('\0' == *n->string) {
-                       print_paragraph(h);
+               if (*n->string == '\0') {
+                       print_endline(h);
                        return;
                }
-               if (n->flags & NODE_LINE && (*n->string == ' ' ||
-                   (n->prev != NULL && mh->fl & MANH_LITERAL &&
-                    ! (h->flags & HTML_NONEWLINE))))
+               if (*n->string == ' ' && n->flags & NODE_LINE &&
+                   (h->flags & HTML_NONEWLINE) == 0)
                        print_otag(h, TAG_BR, "");
+               else if (n->flags & NODE_DELIMC)
+                       h->flags |= HTML_NOSPACE;
+               t = h->tag;
+               t->refcnt++;
                print_text(h, n->string);
-               return;
+               break;
        case ROFFT_EQN:
-               if (n->flags & NODE_LINE)
-                       putchar('\n');
+               t = h->tag;
+               t->refcnt++;
                print_eqn(h, n->eqn);
                break;
        case ROFFT_TBL:
@@ -232,9 +210,9 @@ print_man_node(MAN_ARGS)
                 * Close out scope of font prior to opening a macro
                 * scope.
                 */
-               if (HTMLFONT_NONE != h->metac) {
+               if (h->metac != ESCAPE_FONTROMAN) {
                        h->metal = h->metac;
-                       h->metac = HTMLFONT_NONE;
+                       h->metac = ESCAPE_FONTROMAN;
                }
 
                /*
@@ -242,48 +220,48 @@ print_man_node(MAN_ARGS)
                 * the "meta" table state.  This will be reopened on the
                 * next table element.
                 */
-               if (h->tblt) {
+               if (h->tblt != NULL)
                        print_tblclose(h);
-                       t = h->tags.head;
+               t = h->tag;
+               t->refcnt++;
+               if (n->tok < ROFF_MAX) {
+                       roff_html_pre(h, n);
+                       t->refcnt--;
+                       print_stagq(h, t);
+                       return;
                }
-               if (mans[n->tok].pre)
-                       child = (*mans[n->tok].pre)(man, n, mh, h);
+               assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
+               if (man_html_acts[n->tok - MAN_TH].pre != NULL)
+                       child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
+                           n, h);
                break;
        }
 
-       if (child && n->child)
-               print_man_nodelist(man, n->child, mh, h);
+       if (child && n->child != NULL)
+               print_man_nodelist(man, n->child, h);
 
        /* This will automatically close out any font scope. */
-       print_stagq(h, t);
-
-       switch (n->type) {
-       case ROFFT_ROOT:
-               man_root_post(man, n, mh, h);
-               break;
-       case ROFFT_EQN:
-               break;
-       default:
-               if (mans[n->tok].post)
-                       (*mans[n->tok].post)(man, n, mh, h);
-               break;
+       t->refcnt--;
+       if (n->type == ROFFT_BLOCK &&
+           (n->tok == MAN_IP || n->tok == MAN_TP || n->tok == MAN_TQ)) {
+               t = h->tag;
+               while (t->tag != TAG_DL && t->tag != TAG_UL)
+                       t = t->next;
+               /*
+                * Close the list if no further item of the same type
+                * follows; otherwise, close the item only.
+                */
+               if (list_continues(n, roff_node_next(n)) == '\0') {
+                       print_tagq(h, t);
+                       t = NULL;
+               }
        }
-}
-
-static int
-a2width(const struct roff_node *n, struct roffsu *su)
-{
-
-       if (n->type != ROFFT_TEXT)
-               return 0;
-       if (a2roffsu(n->string, su, SCALE_EN))
-               return 1;
-
-       return 0;
+       if (t != NULL)
+               print_stagq(h, t);
 }
 
 static void
-man_root_pre(MAN_ARGS)
+man_root_pre(const struct roff_meta *man, struct html *h)
 {
        struct tag      *t, *tt;
        char            *title;
@@ -293,7 +271,6 @@ man_root_pre(MAN_ARGS)
        mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
 
        t = print_otag(h, TAG_TABLE, "c", "head");
-       print_otag(h, TAG_TBODY, "");
        tt = print_otag(h, TAG_TR, "");
 
        print_otag(h, TAG_TD, "c", "head-ltitle");
@@ -301,7 +278,7 @@ man_root_pre(MAN_ARGS)
        print_stagq(h, tt);
 
        print_otag(h, TAG_TD, "c", "head-vol");
-       if (NULL != man->vol)
+       if (man->vol != NULL)
                print_text(h, man->vol);
        print_stagq(h, tt);
 
@@ -312,7 +289,7 @@ man_root_pre(MAN_ARGS)
 }
 
 static void
-man_root_post(MAN_ARGS)
+man_root_post(const struct roff_meta *man, struct html *h)
 {
        struct tag      *t, *tt;
 
@@ -324,45 +301,37 @@ man_root_post(MAN_ARGS)
        print_stagq(h, tt);
 
        print_otag(h, TAG_TD, "c", "foot-os");
-       if (man->os)
+       if (man->os != NULL)
                print_text(h, man->os);
        print_tagq(h, t);
 }
 
-
-static int
-man_br_pre(MAN_ARGS)
-{
-       struct roffsu    su;
-
-       SCALE_VS_INIT(&su, 1);
-
-       if (MAN_sp == n->tok) {
-               if (NULL != (n = n->child))
-                       if ( ! a2roffsu(n->string, &su, SCALE_VS))
-                               su.scale = 1.0;
-       } else
-               su.scale = 0.0;
-
-       print_otag(h, TAG_DIV, "suh", &su);
-
-       /* So the div isn't empty: */
-       print_text(h, "\\~");
-
-       return 0;
-}
-
 static int
 man_SH_pre(MAN_ARGS)
 {
-       if (n->type == ROFFT_BLOCK) {
-               mh->fl &= ~MANH_LITERAL;
-               print_otag(h, TAG_DIV, "c", "section");
-               return 1;
-       } else if (n->type == ROFFT_BODY)
-               return 1;
-
-       print_otag(h, TAG_H1, "");
+       const char      *class;
+       enum htmltag     tag;
+
+       if (n->tok == MAN_SH) {
+               tag = TAG_H1;
+               class = "Sh";
+       } else {
+               tag = TAG_H2;
+               class = "Ss";
+       }
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               print_otag(h, TAG_SECTION, "c", class);
+               break;
+       case ROFFT_HEAD:
+               print_otag_id(h, tag, class, n);
+               break;
+       case ROFFT_BODY:
+               break;
+       default:
+               abort();
+       }
        return 1;
 }
 
@@ -370,17 +339,11 @@ static int
 man_alt_pre(MAN_ARGS)
 {
        const struct roff_node  *nn;
-       int              i, savelit;
-       enum htmltag     fp;
        struct tag      *t;
+       int              i;
+       enum htmltag     fp;
 
-       if ((savelit = mh->fl & MANH_LITERAL))
-               print_otag(h, TAG_BR, "");
-
-       mh->fl &= ~MANH_LITERAL;
-
-       for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               t = NULL;
+       for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i++) {
                switch (n->tok) {
                case MAN_BI:
                        fp = i % 2 ? TAG_I : TAG_B;
@@ -407,18 +370,14 @@ man_alt_pre(MAN_ARGS)
                if (i)
                        h->flags |= HTML_NOSPACE;
 
-               if (TAG_MAX != fp)
+               if (fp != TAG_MAX)
                        t = print_otag(h, fp, "");
 
-               print_man_node(man, nn, mh, h);
+               print_text(h, nn->string);
 
-               if (t)
+               if (fp != TAG_MAX)
                        print_tagq(h, t);
        }
-
-       if (savelit)
-               mh->fl |= MANH_LITERAL;
-
        return 0;
 }
 
@@ -426,98 +385,135 @@ static int
 man_SM_pre(MAN_ARGS)
 {
        print_otag(h, TAG_SMALL, "");
-       if (MAN_SB == n->tok)
+       if (n->tok == MAN_SB)
                print_otag(h, TAG_B, "");
        return 1;
 }
 
 static int
-man_SS_pre(MAN_ARGS)
+man_PP_pre(MAN_ARGS)
 {
-       if (n->type == ROFFT_BLOCK) {
-               mh->fl &= ~MANH_LITERAL;
-               print_otag(h, TAG_DIV, "c", "subsection");
-               return 1;
-       } else if (n->type == ROFFT_BODY)
-               return 1;
-
-       print_otag(h, TAG_H2, "");
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               break;
+       case ROFFT_HEAD:
+               return 0;
+       case ROFFT_BODY:
+               if (n->child != NULL &&
+                   (n->child->flags & NODE_NOFILL) == 0)
+                       print_otag(h, TAG_P, "c",
+                           n->tok == MAN_PP ? "Pp" : "Pp HP");
+               break;
+       default:
+               abort();
+       }
        return 1;
 }
 
-static int
-man_PP_pre(MAN_ARGS)
+static char
+list_continues(const struct roff_node *n1, const struct roff_node *n2)
 {
-
-       if (n->type == ROFFT_HEAD)
-               return 0;
-       else if (n->type == ROFFT_BLOCK)
-               print_bvspace(h, n);
-
-       return 1;
+       const char *s1, *s2;
+       char c1, c2;
+
+       if (n1 == NULL || n1->type != ROFFT_BLOCK ||
+           n2 == NULL || n2->type != ROFFT_BLOCK)
+               return '\0';
+       if ((n1->tok == MAN_TP || n1->tok == MAN_TQ) &&
+           (n2->tok == MAN_TP || n2->tok == MAN_TQ))
+               return ' ';
+       if (n1->tok != MAN_IP || n2->tok != MAN_IP)
+               return '\0';
+       n1 = n1->head->child;
+       n2 = n2->head->child;
+       s1 = n1 == NULL ? "" : n1->string;
+       s2 = n2 == NULL ? "" : n2->string;
+       c1 = strcmp(s1, "*") == 0 ? '*' :
+            strcmp(s1, "\\-") == 0 ? '-' :
+            strcmp(s1, "\\(bu") == 0 ? 'b' : ' ';
+       c2 = strcmp(s2, "*") == 0 ? '*' :
+            strcmp(s2, "\\-") == 0 ? '-' :
+            strcmp(s2, "\\(bu") == 0 ? 'b' : ' ';
+       return c1 != c2 ? '\0' : c1 == 'b' ? '*' : c1;
 }
 
 static int
 man_IP_pre(MAN_ARGS)
 {
-       const struct roff_node  *nn;
+       struct roff_node        *nn;
+       const char              *list_class;
+       enum htmltag             list_elem, body_elem;
+       char                     list_type;
+
+       nn = n->type == ROFFT_BLOCK ? n : n->parent;
+       list_type = list_continues(roff_node_prev(nn), nn);
+       if (list_type == '\0') {
+               /* Start a new list. */
+               list_type = list_continues(nn, roff_node_next(nn));
+               if (list_type == '\0')
+                       list_type = ' ';
+               switch (list_type) {
+               case ' ':
+                       list_class = "Bl-tag";
+                       list_elem = TAG_DL;
+                       break;
+               case '*':
+                       list_class = "Bl-bullet";
+                       list_elem = TAG_UL;
+                       break;
+               case '-':
+                       list_class = "Bl-dash";
+                       list_elem = TAG_UL;
+                       break;
+               default:
+                       abort();
+               }
+       } else {
+               /* Continue a list that was started earlier. */
+               list_class = NULL;
+               list_elem = TAG_MAX;
+       }
+       body_elem = list_type == ' ' ? TAG_DD : TAG_LI;
 
-       if (n->type == ROFFT_BODY) {
-               print_otag(h, TAG_DD, "");
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               if (list_elem != TAG_MAX)
+                       print_otag(h, list_elem, "c", list_class);
                return 1;
-       } else if (n->type != ROFFT_HEAD) {
-               print_otag(h, TAG_DL, "");
+       case ROFFT_HEAD:
+               if (body_elem == TAG_LI)
+                       return 0;
+               print_otag_id(h, TAG_DT, NULL, n);
+               break;
+       case ROFFT_BODY:
+               print_otag(h, body_elem, "");
                return 1;
+       default:
+               abort();
        }
-
-       /* FIXME: width specification. */
-
-       print_otag(h, TAG_DT, "");
-
-       /* For IP, only print the first header element. */
-
-       if (MAN_IP == n->tok && n->child)
-               print_man_node(man, n->child, mh, h);
-
-       /* For TP, only print next-line header elements. */
-
-       if (MAN_TP == n->tok) {
+       switch(n->tok) {
+       case MAN_IP:  /* Only print the first header element. */
+               if (n->child != NULL)
+                       print_man_node(man, n->child, h);
+               break;
+       case MAN_TP:  /* Only print next-line header elements. */
+       case MAN_TQ:
                nn = n->child;
-               while (NULL != nn && 0 == (NODE_LINE & nn->flags))
+               while (nn != NULL && (NODE_LINE & nn->flags) == 0)
                        nn = nn->next;
-               while (NULL != nn) {
-                       print_man_node(man, nn, mh, h);
+               while (nn != NULL) {
+                       print_man_node(man, nn, h);
                        nn = nn->next;
                }
+               break;
+       default:
+               abort();
        }
-
        return 0;
 }
 
-static int
-man_HP_pre(MAN_ARGS)
-{
-       struct roffsu    sum, sui;
-       const struct roff_node *np;
-
-       if (n->type == ROFFT_HEAD)
-               return 0;
-       else if (n->type != ROFFT_BLOCK)
-               return 1;
-
-       np = n->head->child;
-
-       if (np == NULL || !a2width(np, &sum))
-               SCALE_HS_INIT(&sum, INDENT);
-
-       sui.unit = sum.unit;
-       sui.scale = -sum.scale;
-
-       print_bvspace(h, n);
-       print_otag(h, TAG_DIV, "csului", "spacer", &sum, &sui);
-       return 1;
-}
-
 static int
 man_OP_pre(MAN_ARGS)
 {
@@ -525,16 +521,16 @@ man_OP_pre(MAN_ARGS)
 
        print_text(h, "[");
        h->flags |= HTML_NOSPACE;
-       tt = print_otag(h, TAG_SPAN, "c", "opt");
+       tt = print_otag(h, TAG_SPAN, "c", "Op");
 
-       if (NULL != (n = n->child)) {
+       if ((n = n->child) != NULL) {
                print_otag(h, TAG_B, "");
                print_text(h, n->string);
        }
 
        print_stagq(h, tt);
 
-       if (NULL != n && NULL != n->next) {
+       if (n != NULL && n->next != NULL) {
                print_otag(h, TAG_I, "");
                print_text(h, n->next->string);
        }
@@ -559,19 +555,6 @@ man_I_pre(MAN_ARGS)
        return 1;
 }
 
-static int
-man_literal_pre(MAN_ARGS)
-{
-
-       if (MAN_fi == n->tok || MAN_EE == n->tok) {
-               print_otag(h, TAG_BR, "");
-               mh->fl &= ~MANH_LITERAL;
-       } else
-               mh->fl |= MANH_LITERAL;
-
-       return 0;
-}
-
 static int
 man_in_pre(MAN_ARGS)
 {
@@ -582,43 +565,76 @@ man_in_pre(MAN_ARGS)
 static int
 man_ign_pre(MAN_ARGS)
 {
-
        return 0;
 }
 
 static int
 man_RS_pre(MAN_ARGS)
 {
-       struct roffsu    su;
-
-       if (n->type == ROFFT_HEAD)
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               break;
+       case ROFFT_HEAD:
                return 0;
-       else if (n->type == ROFFT_BODY)
-               return 1;
-
-       SCALE_HS_INIT(&su, INDENT);
-       if (n->head->child)
-               a2width(n->head->child, &su);
+       case ROFFT_BODY:
+               print_otag(h, TAG_DIV, "c", "Bd-indent");
+               break;
+       default:
+               abort();
+       }
+       return 1;
+}
 
-       print_otag(h, TAG_DIV, "sul", &su);
+static int
+man_SY_pre(MAN_ARGS)
+{
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               print_otag(h, TAG_TABLE, "c", "Nm");
+               print_otag(h, TAG_TR, "");
+               break;
+       case ROFFT_HEAD:
+               print_otag(h, TAG_TD, "");
+               print_otag(h, TAG_CODE, "c", "Nm");
+               break;
+       case ROFFT_BODY:
+               print_otag(h, TAG_TD, "");
+               break;
+       default:
+               abort();
+       }
        return 1;
 }
 
 static int
 man_UR_pre(MAN_ARGS)
 {
+       char *cp;
+
        n = n->child;
        assert(n->type == ROFFT_HEAD);
        if (n->child != NULL) {
                assert(n->child->type == ROFFT_TEXT);
-               print_otag(h, TAG_A, "ch", "link-ext", n->child->string);
+               if (n->tok == MAN_MT) {
+                       mandoc_asprintf(&cp, "mailto:%s", n->child->string);
+                       print_otag(h, TAG_A, "ch", "Mt", cp);
+                       free(cp);
+               } else
+                       print_otag(h, TAG_A, "ch", "Lk", n->child->string);
        }
 
        assert(n->next->type == ROFFT_BODY);
        if (n->next->child != NULL)
                n = n->next;
 
-       print_man_nodelist(man, n->child, mh, h);
-
+       print_man_nodelist(man, n->child, h);
        return 0;
 }
+
+static int
+man_abort_pre(MAN_ARGS)
+{
+       abort();
+}