]> git.cameronkatri.com Git - mandoc.git/blobdiff - mdoc_html.c
Fill in more version notes.
[mandoc.git] / mdoc_html.c
index b6d6e8a5ecb928b0ae8e990c132536b386f5de82..5bd4c0145ce74aa170a8f2e95cb82d9e1b1611e3 100644 (file)
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_html.c,v 1.55 2010/03/29 19:28:04 kristaps Exp $ */
+/*     $Id: mdoc_html.c,v 1.100 2010/07/27 08:38:04 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -27,6 +27,7 @@
 #include <string.h>
 #include <unistd.h>
 
+#include "mandoc.h"
 #include "out.h"
 #include "html.h"
 #include "mdoc.h"
@@ -52,12 +53,12 @@ static      void              print_mdoc(MDOC_ARGS);
 static void              print_mdoc_head(MDOC_ARGS);
 static void              print_mdoc_node(MDOC_ARGS);
 static void              print_mdoc_nodelist(MDOC_ARGS);
+static void              synopsis_pre(struct html *, 
+                               const struct mdoc_node *);
 
 static void              a2width(const char *, struct roffsu *);
 static void              a2offs(const char *, struct roffsu *);
 
-static int               a2list(const struct mdoc_node *);
-
 static void              mdoc_root_post(MDOC_ARGS);
 static int               mdoc_root_pre(MDOC_ARGS);
 
@@ -71,6 +72,8 @@ static        int               mdoc_aq_pre(MDOC_ARGS);
 static int               mdoc_ar_pre(MDOC_ARGS);
 static int               mdoc_bd_pre(MDOC_ARGS);
 static int               mdoc_bf_pre(MDOC_ARGS);
+static void              mdoc_bk_post(MDOC_ARGS);
+static int               mdoc_bk_pre(MDOC_ARGS);
 static void              mdoc_bl_post(MDOC_ARGS);
 static int               mdoc_bl_pre(MDOC_ARGS);
 static void              mdoc_bq_post(MDOC_ARGS);
@@ -97,11 +100,12 @@ static     void              mdoc_fo_post(MDOC_ARGS);
 static int               mdoc_fo_pre(MDOC_ARGS);
 static int               mdoc_ic_pre(MDOC_ARGS);
 static int               mdoc_in_pre(MDOC_ARGS);
-static int               mdoc_it_block_pre(MDOC_ARGS, int, int,
-                               struct roffsu *, struct roffsu *);
-static int               mdoc_it_head_pre(MDOC_ARGS, int, 
+static int               mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list,
+                               int, struct roffsu *, struct roffsu *);
+static int               mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list, 
+                               struct roffsu *);
+static int               mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list,
                                struct roffsu *);
-static int               mdoc_it_body_pre(MDOC_ARGS, int);
 static int               mdoc_it_pre(MDOC_ARGS);
 static int               mdoc_lb_pre(MDOC_ARGS);
 static int               mdoc_li_pre(MDOC_ARGS);
@@ -121,6 +125,7 @@ static      int               mdoc_pq_pre(MDOC_ARGS);
 static int               mdoc_rs_pre(MDOC_ARGS);
 static int               mdoc_rv_pre(MDOC_ARGS);
 static int               mdoc_sh_pre(MDOC_ARGS);
+static int               mdoc_sm_pre(MDOC_ARGS);
 static int               mdoc_sp_pre(MDOC_ARGS);
 static void              mdoc_sq_post(MDOC_ARGS);
 static int               mdoc_sq_pre(MDOC_ARGS);
@@ -205,7 +210,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {mdoc_em_pre, NULL}, /* Em */ 
        {NULL, NULL}, /* Eo */
        {mdoc_xx_pre, NULL}, /* Fx */
-       {mdoc_ms_pre, NULL}, /* Ms */ /* FIXME: convert to symbol? */
+       {mdoc_ms_pre, NULL}, /* Ms */
        {NULL, NULL}, /* No */
        {mdoc_ns_pre, NULL}, /* Ns */
        {mdoc_xx_pre, NULL}, /* Nx */
@@ -223,7 +228,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {NULL, NULL}, /* Sc */
        {mdoc_sq_pre, mdoc_sq_post}, /* So */
        {mdoc_sq_pre, mdoc_sq_post}, /* Sq */
-       {NULL, NULL}, /* Sm */ /* FIXME - no idea. */
+       {mdoc_sm_pre, NULL}, /* Sm */ 
        {mdoc_sx_pre, NULL}, /* Sx */
        {mdoc_sy_pre, NULL}, /* Sy */
        {NULL, NULL}, /* Tn */
@@ -234,7 +239,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {NULL, NULL}, /* Fc */ 
        {mdoc_op_pre, mdoc_op_post}, /* Oo */
        {NULL, NULL}, /* Oc */
-       {NULL, NULL}, /* Bk */
+       {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
        {NULL, NULL}, /* Ek */
        {mdoc_bt_pre, NULL}, /* Bt */
        {NULL, NULL}, /* Hf */
@@ -255,6 +260,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {mdoc_sp_pre, NULL}, /* br */
        {mdoc_sp_pre, NULL}, /* sp */ 
        {mdoc__x_pre, mdoc__x_post}, /* %U */ 
+       {NULL, NULL}, /* Ta */ 
 };
 
 
@@ -275,50 +281,6 @@ html_mdoc(void *arg, const struct mdoc *m)
 }
 
 
-/*
- * Return the list type for `Bl', e.g., `Bl -column' returns 
- * MDOC_Column.  This can ONLY be run for lists; it will abort() if no
- * list type is found. 
- */
-static int
-a2list(const struct mdoc_node *n)
-{
-       int              i;
-
-       assert(n->args);
-       for (i = 0; i < (int)n->args->argc; i++) 
-               switch (n->args->argv[i].arg) {
-               case (MDOC_Enum):
-                       /* FALLTHROUGH */
-               case (MDOC_Dash):
-                       /* FALLTHROUGH */
-               case (MDOC_Hyphen):
-                       /* FALLTHROUGH */
-               case (MDOC_Bullet):
-                       /* FALLTHROUGH */
-               case (MDOC_Tag):
-                       /* FALLTHROUGH */
-               case (MDOC_Hang):
-                       /* FALLTHROUGH */
-               case (MDOC_Inset):
-                       /* FALLTHROUGH */
-               case (MDOC_Diag):
-                       /* FALLTHROUGH */
-               case (MDOC_Item):
-                       /* FALLTHROUGH */
-               case (MDOC_Column):
-                       /* FALLTHROUGH */
-               case (MDOC_Ohang):
-                       return(n->args->argv[i].arg);
-               default:
-                       break;
-               }
-
-       abort();
-       /* NOTREACHED */
-}
-
-
 /*
  * Calculate the scaling unit passed in a `-width' argument.  This uses
  * either a native scaling unit (e.g., 1i, 2m) or the string length of
@@ -335,6 +297,55 @@ a2width(const char *p, struct roffsu *su)
 }
 
 
+/*
+ * See the same function in mdoc_term.c for documentation.
+ */
+static void
+synopsis_pre(struct html *h, const struct mdoc_node *n)
+{
+       struct roffsu    su;
+       struct htmlpair  tag;
+
+       if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+               return;
+
+       SCALE_VS_INIT(&su, 1);
+       bufcat_su(h, "margin-top", &su);
+       PAIR_STYLE_INIT(&tag, h);
+
+       if (n->prev->tok == n->tok && 
+                       MDOC_Fo != n->tok && 
+                       MDOC_Ft != n->tok && 
+                       MDOC_Fn != n->tok) {
+               print_otag(h, TAG_DIV, 0, NULL);
+               return;
+       }
+
+       switch (n->prev->tok) {
+       case (MDOC_Fd):
+               /* FALLTHROUGH */
+       case (MDOC_Fn):
+               /* FALLTHROUGH */
+       case (MDOC_Fo):
+               /* FALLTHROUGH */
+       case (MDOC_In):
+               /* FALLTHROUGH */
+       case (MDOC_Vt):
+               print_otag(h, TAG_DIV, 1, &tag);
+               break;
+       case (MDOC_Ft):
+               if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
+                       print_otag(h, TAG_DIV, 1, &tag);
+                       break;
+               }
+               /* FALLTHROUGH */
+       default:
+               print_otag(h, TAG_DIV, 0, NULL);
+               break;
+       }
+}
+
+
 /*
  * Calculate the scaling unit passed in an `-offset' argument.  This
  * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
@@ -387,7 +398,7 @@ print_mdoc_head(MDOC_ARGS)
 
        print_gen_head(h);
        bufinit(h);
-       buffmt(h, "%s(%d)", m->title, m->msec);
+       buffmt(h, "%s(%s)", m->title, m->msec);
 
        if (m->arch) {
                bufcat(h, " (");
@@ -428,11 +439,23 @@ print_mdoc_node(MDOC_ARGS)
                print_text(h, n->string);
                return;
        default:
-               if (mdocs[n->tok].pre)
+               if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
                        child = (*mdocs[n->tok].pre)(m, n, h);
                break;
        }
 
+       if (HTML_KEEP & h->flags) {
+               if (n->prev && n->prev->line != n->line) {
+                       h->flags &= ~HTML_KEEP;
+                       h->flags |= HTML_PREKEEP;
+               } else if (NULL == n->prev) {
+                       if (n->parent && n->parent->line != n->line) {
+                               h->flags &= ~HTML_KEEP;
+                               h->flags |= HTML_PREKEEP;
+                       }
+               }
+       }
+
        if (child && n->child)
                print_mdoc_nodelist(m, n->child, h);
 
@@ -444,7 +467,7 @@ print_mdoc_node(MDOC_ARGS)
                mdoc_root_post(m, n, h);
                break;
        default:
-               if (mdocs[n->tok].post)
+               if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
                        (*mdocs[n->tok].post)(m, n, h);
                break;
        }
@@ -509,7 +532,7 @@ mdoc_root_pre(MDOC_ARGS)
        }
 
        (void)snprintf(title, BUFSIZ - 1, 
-                       "%s(%d)", m->title, m->msec);
+                       "%s(%s)", m->title, m->msec);
 
        /* XXX: see note in mdoc_root_post() about divs. */
 
@@ -589,14 +612,9 @@ mdoc_sh_pre(MDOC_ARGS)
                        html_idcat(buf, " ", BUFSIZ);
        }
 
-       /* 
-        * TODO: make sure there are no duplicates, as HTML does not
-        * allow for multiple `id' tags of the same name.
-        */
-
        PAIR_CLASS_INIT(&tag[0], "sec-head");
-       tag[1].key = ATTR_ID;
-       tag[1].val = buf;
+       PAIR_ID_INIT(&tag[1], buf);
+
        print_otag(h, TAG_DIV, 2, tag);
        return(1);
 }
@@ -648,8 +666,8 @@ mdoc_ss_pre(MDOC_ARGS)
 
        PAIR_CLASS_INIT(&tag[0], "ssec-head");
        PAIR_STYLE_INIT(&tag[1], h);
-       tag[2].key = ATTR_ID;
-       tag[2].val = buf;
+       PAIR_ID_INIT(&tag[2], buf);
+
        print_otag(h, TAG_DIV, 3, tag);
        return(1);
 }
@@ -671,10 +689,10 @@ mdoc_fl_pre(MDOC_ARGS)
 
        print_text(h, "\\-");
 
-       /* A blank `Fl' should incur a subsequent space. */
-
        if (n->child)
                h->flags |= HTML_NOSPACE;
+       else if (n->next && n->next->line == n->line)
+               h->flags |= HTML_NOSPACE;
 
        return(1);
 }
@@ -732,18 +750,69 @@ mdoc_op_post(MDOC_ARGS)
 static int
 mdoc_nm_pre(MDOC_ARGS)
 {
-       struct htmlpair tag;
+       struct htmlpair  tag;
+       struct roffsu    su;
+       const char      *cp;
+
+       /*
+        * Accomodate for `Nm' being both an element (which may have
+        * NULL children AND no m->name) and a block.
+        */
+
+       cp = NULL;
+
+       if (MDOC_ELEM == n->type) {
+               if (NULL == n->child && NULL == m->name)
+                       return(1);
+               synopsis_pre(h, n);
+               PAIR_CLASS_INIT(&tag, "name");
+               print_otag(h, TAG_SPAN, 1, &tag);
+               if (NULL == n->child)
+                       print_text(h, m->name);
+       } else if (MDOC_BLOCK == n->type) {
+               synopsis_pre(h, n);
 
-       if (SEC_SYNOPSIS == n->sec && n->prev) {
                bufcat_style(h, "clear", "both");
+               if (n->head->child || m->name) {
+                       if (n->head->child && MDOC_TEXT == 
+                                       n->head->child->type)
+                               cp = n->head->child->string;
+                       if (NULL == cp || '\0' == *cp)
+                               cp = m->name;
+
+                       SCALE_HS_INIT(&su, (double)strlen(cp));
+                       bufcat_su(h, "padding-left", &su);
+               }
+
                PAIR_STYLE_INIT(&tag, h);
-               print_otag(h, TAG_BR, 1, &tag);
-       }
+               print_otag(h, TAG_DIV, 1, &tag);
+       } else if (MDOC_HEAD == n->type) { 
+               if (NULL == n->child && NULL == m->name)
+                       return(1);
 
-       PAIR_CLASS_INIT(&tag, "name");
-       print_otag(h, TAG_SPAN, 1, &tag);
-       if (NULL == n->child)
-               print_text(h, m->name);
+               if (n->child && MDOC_TEXT == n->child->type)
+                       cp = n->child->string;
+               if (NULL == cp || '\0' == *cp)
+                       cp = m->name;
+
+               SCALE_HS_INIT(&su, (double)strlen(cp));
+
+               bufcat_style(h, "float", "left");
+               bufcat_su(h, "min-width", &su);
+               SCALE_INVERT(&su);
+               bufcat_su(h, "margin-left", &su);
+
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
+
+               if (NULL == n->child)
+                       print_text(h, m->name);
+       } else if (MDOC_BODY == n->type) {
+               SCALE_HS_INIT(&su, 2);
+               bufcat_su(h, "margin-left", &su);
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
+       }
 
        return(1);
 }
@@ -756,14 +825,16 @@ mdoc_xr_pre(MDOC_ARGS)
        struct htmlpair          tag[2];
        const struct mdoc_node  *nn;
 
+       if (NULL == n->child)
+               return(0);
+
        PAIR_CLASS_INIT(&tag[0], "link-man");
 
        if (h->base_man) {
                buffmt_man(h, n->child->string, 
                                n->child->next ? 
                                n->child->next->string : NULL);
-               tag[1].key = ATTR_HREF;
-               tag[1].val = h->buf;
+               PAIR_HREF_INIT(&tag[1], h->buf);
                print_otag(h, TAG_A, 2, tag);
        } else
                print_otag(h, TAG_A, 1, tag);
@@ -866,7 +937,7 @@ mdoc_bx_pre(MDOC_ARGS)
 
 /* ARGSUSED */
 static int
-mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
+mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list type, int comp,
                struct roffsu *offs, struct roffsu *width)
 {
        struct htmlpair          tag;
@@ -874,17 +945,16 @@ mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
        struct roffsu            su;
 
        nn = n->parent->parent;
-       assert(nn->args);
 
        /* XXX: see notes in mdoc_it_pre(). */
 
-       if (MDOC_Column == type) {
+       if (LIST_column == type) {
                /* Don't width-pad on the left. */
                SCALE_HS_INIT(width, 0);
                /* Also disallow non-compact. */
                comp = 1;
        }
-       if (MDOC_Diag == type)
+       if (LIST_diag == type)
                /* Mandate non-compact with empty prior. */
                if (n->prev && NULL == n->prev->body->child)
                        comp = 1;
@@ -921,17 +991,23 @@ mdoc_it_block_pre(MDOC_ARGS, int type, int comp,
 
 /* ARGSUSED */
 static int
-mdoc_it_body_pre(MDOC_ARGS, int type)
+mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
        struct htmlpair  tag;
        struct roffsu    su;
 
        switch (type) {
-       case (MDOC_Item):
+       case (LIST_item):
                /* FALLTHROUGH */
-       case (MDOC_Ohang):
+       case (LIST_ohang):
                /* FALLTHROUGH */
-       case (MDOC_Column):
+       case (LIST_column):
+               bufcat_su(h, "min-width", width);
+               bufcat_style(h, "clear", "none");
+               if (n->next)
+                       bufcat_style(h, "float", "left");
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
                break;
        default:
                /* 
@@ -951,25 +1027,19 @@ mdoc_it_body_pre(MDOC_ARGS, int type)
 
 /* ARGSUSED */
 static int
-mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *width)
+mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 {
        struct htmlpair  tag;
        struct ord      *ord;
        char             nbuf[BUFSIZ];
 
        switch (type) {
-       case (MDOC_Item):
+       case (LIST_item):
                return(0);
-       case (MDOC_Ohang):
+       case (LIST_ohang):
                print_otag(h, TAG_DIV, 0, &tag);
                return(1);
-       case (MDOC_Column):
-               bufcat_su(h, "min-width", width);
-               bufcat_style(h, "clear", "none");
-               if (n->next && MDOC_HEAD == n->next->type)
-                       bufcat_style(h, "float", "left");
-               PAIR_STYLE_INIT(&tag, h);
-               print_otag(h, TAG_DIV, 1, &tag);
+       case (LIST_column):
                break;
        default:
                bufcat_su(h, "min-width", width);
@@ -987,24 +1057,24 @@ mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *width)
        }
 
        switch (type) {
-       case (MDOC_Diag):
+       case (LIST_diag):
                PAIR_CLASS_INIT(&tag, "diag");
                print_otag(h, TAG_SPAN, 1, &tag);
                break;
-       case (MDOC_Enum):
+       case (LIST_enum):
                ord = h->ords.head;
                assert(ord);
                nbuf[BUFSIZ - 1] = 0;
                (void)snprintf(nbuf, BUFSIZ - 1, "%d.", ord->pos++);
                print_text(h, nbuf);
                return(0);
-       case (MDOC_Dash):
+       case (LIST_dash):
                print_text(h, "\\(en");
                return(0);
-       case (MDOC_Hyphen):
+       case (LIST_hyphen):
                print_text(h, "\\(hy");
                return(0);
-       case (MDOC_Bullet):
+       case (LIST_bullet):
                print_text(h, "\\(bu");
                return(0);
        default:
@@ -1018,9 +1088,10 @@ mdoc_it_head_pre(MDOC_ARGS, int type, struct roffsu *width)
 static int
 mdoc_it_pre(MDOC_ARGS)
 {
-       int                      i, type, wp, comp;
+       int                      i, comp;
        const struct mdoc_node  *bl, *nn;
        struct roffsu            width, offs;
+       enum mdoc_list           type;
 
        /* 
         * XXX: be very careful in changing anything, here.  Lists in
@@ -1032,20 +1103,23 @@ mdoc_it_pre(MDOC_ARGS)
        if (MDOC_BLOCK != n->type)
                bl = bl->parent;
 
-       type = a2list(bl);
+       SCALE_HS_INIT(&offs, 0);
 
-       /* Set default width and offset. */
+       assert(bl->data.Bl);
+       type = bl->data.Bl->type;
+       comp = bl->data.Bl->comp;
 
-       SCALE_HS_INIT(&offs, 0);
+       if (bl->data.Bl->offs)
+               a2offs(bl->data.Bl->offs, &offs);
 
        switch (type) {
-       case (MDOC_Enum):
+       case (LIST_enum):
                /* FALLTHROUGH */
-       case (MDOC_Dash):
+       case (LIST_dash):
                /* FALLTHROUGH */
-       case (MDOC_Hyphen):
+       case (LIST_hyphen):
                /* FALLTHROUGH */
-       case (MDOC_Bullet):
+       case (LIST_bullet):
                SCALE_HS_INIT(&width, 2);
                break;
        default:
@@ -1053,36 +1127,19 @@ mdoc_it_pre(MDOC_ARGS)
                break;
        }
 
-       /* Get width, offset, and compact arguments. */
-
-       for (wp = -1, comp = i = 0; i < (int)bl->args->argc; i++) 
-               switch (bl->args->argv[i].arg) {
-               case (MDOC_Column):
-                       wp = i; /* Save for later. */
-                       break;
-               case (MDOC_Width):
-                       a2width(bl->args->argv[i].value[0], &width);
-                       break;
-               case (MDOC_Offset):
-                       a2offs(bl->args->argv[i].value[0], &offs);
-                       break;
-               case (MDOC_Compact):
-                       comp = 1;
-                       break;
-               default:
-                       break;
-               }
+       if (bl->data.Bl->width)
+               a2width(bl->data.Bl->width, &width);
 
        /* Override width in some cases. */
 
        switch (type) {
-       case (MDOC_Ohang):
+       case (LIST_ohang):
                /* FALLTHROUGH */
-       case (MDOC_Item):
+       case (LIST_item):
                /* FALLTHROUGH */
-       case (MDOC_Inset):
+       case (LIST_inset):
                /* FALLTHROUGH */
-       case (MDOC_Diag):
+       case (LIST_diag):
                SCALE_HS_INIT(&width, 0);
                break;
        default:
@@ -1091,25 +1148,21 @@ mdoc_it_pre(MDOC_ARGS)
                break;
        }
 
-       /* Flip to body/block processing. */
-
-       if (MDOC_BODY == n->type)
-               return(mdoc_it_body_pre(m, n, h, type));
-       if (MDOC_BLOCK == n->type)
-               return(mdoc_it_block_pre(m, n, h, type, comp,
-                                       &offs, &width));
-
-       /* Override column widths. */
-
-       if (MDOC_Column == type) {
+       if (LIST_column == type && MDOC_BODY == n->type) {
                nn = n->parent->child;
-               for (i = 0; nn && nn != n; nn = nn->next, i++)
-                       /* Counter... */ ;
-               if (i < (int)bl->args->argv[wp].sz)
-                       a2width(bl->args->argv[wp].value[i], &width);
+               for (i = 0; nn && nn != n; nn = nn->next)
+                       if (MDOC_BODY == nn->type)
+                               i++;
+               if (i < (int)bl->data.Bl->ncols)
+                       a2width(bl->data.Bl->cols[i], &width);
        }
 
-       return(mdoc_it_head_pre(m, n, h, type, &width));
+       if (MDOC_HEAD == n->type)
+               return(mdoc_it_head_pre(m, n, h, type, &width));
+       else if (MDOC_BODY == n->type)
+               return(mdoc_it_body_pre(m, n, h, type, &width));
+
+       return(mdoc_it_block_pre(m, n, h, type, comp, &offs, &width));
 }
 
 
@@ -1119,9 +1172,12 @@ mdoc_bl_pre(MDOC_ARGS)
 {
        struct ord      *ord;
 
+       if (MDOC_HEAD == n->type)
+               return(0);
        if (MDOC_BLOCK != n->type)
                return(1);
-       if (MDOC_Enum != a2list(n))
+       assert(n->data.Bl);
+       if (LIST_enum != n->data.Bl->type)
                return(1);
 
        ord = malloc(sizeof(struct ord));
@@ -1145,7 +1201,7 @@ mdoc_bl_post(MDOC_ARGS)
 
        if (MDOC_BLOCK != n->type)
                return;
-       if (MDOC_Enum != a2list(n))
+       if (LIST_enum != n->data.Bl->type)
                return;
 
        ord = h->ords.head;
@@ -1181,7 +1237,7 @@ mdoc_ex_pre(MDOC_ARGS)
                        h->flags &= ~HTML_NOSPACE;
        }
 
-       if (n->child->next)
+       if (n->child && n->child->next)
                print_text(h, "utilities exit");
        else
                print_text(h, "utility exits");
@@ -1306,8 +1362,6 @@ mdoc_sx_pre(MDOC_ARGS)
        const struct mdoc_node  *nn;
        char                     buf[BUFSIZ];
 
-       /* FIXME: duplicates? */
-
        strlcpy(buf, "#", BUFSIZ);
        for (nn = n->child; nn; nn = nn->next) {
                html_idcat(buf, nn->string, BUFSIZ);
@@ -1316,8 +1370,7 @@ mdoc_sx_pre(MDOC_ARGS)
        }
 
        PAIR_CLASS_INIT(&tag[0], "link-sec");
-       tag[1].key = ATTR_HREF;
-       tag[1].val = buf;
+       PAIR_HREF_INIT(&tag[1], buf);
 
        print_otag(h, TAG_A, 2, tag);
        return(1);
@@ -1354,44 +1407,23 @@ static int
 mdoc_bd_pre(MDOC_ARGS)
 {
        struct htmlpair          tag[2];
-       int                      type, comp, i;
-       const struct mdoc_node  *bl, *nn;
+       int                      comp;
+       const struct mdoc_node  *nn;
        struct roffsu            su;
 
-       if (MDOC_BLOCK == n->type)
-               bl = n;
-       else if (MDOC_HEAD == n->type)
+       if (MDOC_HEAD == n->type)
                return(0);
-       else
-               bl = n->parent;
 
        SCALE_VS_INIT(&su, 0);
 
-       type = comp = 0;
-       for (i = 0; i < (int)bl->args->argc; i++) 
-               switch (bl->args->argv[i].arg) {
-               case (MDOC_Offset):
-                       a2offs(bl->args->argv[i].value[0], &su);
-                       break;
-               case (MDOC_Compact):
-                       comp = 1;
-                       break;
-               case (MDOC_Centred):
-                       /* FALLTHROUGH */
-               case (MDOC_Ragged):
-                       /* FALLTHROUGH */
-               case (MDOC_Filled):
-                       /* FALLTHROUGH */
-               case (MDOC_Unfilled):
-                       /* FALLTHROUGH */
-               case (MDOC_Literal):
-                       type = bl->args->argv[i].arg;
-                       break;
-               default:
-                       break;
-               }
+       assert(n->data.Bd);
+       if (n->data.Bd->offs)
+               a2offs(n->data.Bd->offs, &su);
+
+       comp = n->data.Bd->comp;
 
        /* FIXME: -centered, etc. formatting. */
+       /* FIXME: does not respect -offset ??? */
 
        if (MDOC_BLOCK == n->type) {
                bufcat_su(h, "margin-left", &su);
@@ -1404,7 +1436,8 @@ mdoc_bd_pre(MDOC_ARGS)
                                break;
                }
                if (comp) {
-                       print_otag(h, TAG_DIV, 0, tag);
+                       PAIR_STYLE_INIT(&tag[0], h);
+                       print_otag(h, TAG_DIV, 1, tag);
                        return(1);
                }
                SCALE_VS_INIT(&su, 1);
@@ -1414,7 +1447,8 @@ mdoc_bd_pre(MDOC_ARGS)
                return(1);
        }
 
-       if (MDOC_Unfilled != type && MDOC_Literal != type)
+       if (DISP_unfilled != n->data.Bd->type && 
+                       DISP_literal != n->data.Bd->type)
                return(1);
 
        PAIR_CLASS_INIT(&tag[0], "lit");
@@ -1423,14 +1457,11 @@ mdoc_bd_pre(MDOC_ARGS)
        print_otag(h, TAG_DIV, 2, tag);
 
        for (nn = n->child; nn; nn = nn->next) {
-               h->flags |= HTML_NOSPACE;
-               print_mdoc_node(m, nn, h);
-               if (NULL == nn->next)
-                       continue;
-               if (nn->prev && nn->prev->line < nn->line)
-                       print_text(h, "\n");
-               else if (NULL == nn->prev)
+               if (nn->prev && nn->prev->line < nn->line) {
                        print_text(h, "\n");
+                       h->flags |= HTML_NOSPACE;
+               }
+               print_mdoc_node(m, nn, h);
        }
 
        return(0);
@@ -1481,7 +1512,7 @@ mdoc_cd_pre(MDOC_ARGS)
 {
        struct htmlpair tag;
 
-       print_otag(h, TAG_DIV, 0, NULL);
+       synopsis_pre(h, n);
        PAIR_CLASS_INIT(&tag, "config");
        print_otag(h, TAG_SPAN, 1, &tag);
        return(1);
@@ -1558,17 +1589,8 @@ static int
 mdoc_fd_pre(MDOC_ARGS)
 {
        struct htmlpair  tag;
-       struct roffsu    su;
 
-       if (SEC_SYNOPSIS == n->sec) {
-               if (n->next && MDOC_Fd != n->next->tok) {
-                       SCALE_VS_INIT(&su, 1);
-                       bufcat_su(h, "margin-bottom", &su);
-                       PAIR_STYLE_INIT(&tag, h);
-                       print_otag(h, TAG_DIV, 1, &tag);
-               } else
-                       print_otag(h, TAG_DIV, 0, NULL);
-       }
+       synopsis_pre(h, n);
 
        PAIR_CLASS_INIT(&tag, "macro");
        print_otag(h, TAG_SPAN, 1, &tag);
@@ -1581,18 +1603,12 @@ static int
 mdoc_vt_pre(MDOC_ARGS)
 {
        struct htmlpair  tag;
-       struct roffsu    su;
 
        if (MDOC_BLOCK == n->type) {
-               if (n->prev && MDOC_Vt != n->prev->tok) {
-                       SCALE_VS_INIT(&su, 1);
-                       bufcat_su(h, "margin-top", &su);
-                       PAIR_STYLE_INIT(&tag, h);
-                       print_otag(h, TAG_DIV, 1, &tag);
-               } else
-                       print_otag(h, TAG_DIV, 0, NULL);
-
+               synopsis_pre(h, n);
                return(1);
+       } else if (MDOC_ELEM == n->type) {
+               synopsis_pre(h, n);
        } else if (MDOC_HEAD == n->type)
                return(0);
 
@@ -1607,18 +1623,8 @@ static int
 mdoc_ft_pre(MDOC_ARGS)
 {
        struct htmlpair  tag;
-       struct roffsu    su;
-
-       if (SEC_SYNOPSIS == n->sec) {
-               if (n->prev && MDOC_Fo == n->prev->tok) {
-                       SCALE_VS_INIT(&su, 1);
-                       bufcat_su(h, "margin-top", &su);
-                       PAIR_STYLE_INIT(&tag, h);
-                       print_otag(h, TAG_DIV, 1, &tag);
-               } else
-                       print_otag(h, TAG_DIV, 0, NULL);
-       }
 
+       synopsis_pre(h, n);
        PAIR_CLASS_INIT(&tag, "ftype");
        print_otag(h, TAG_SPAN, 1, &tag);
        return(1);
@@ -1635,20 +1641,8 @@ mdoc_fn_pre(MDOC_ARGS)
        char                     nbuf[BUFSIZ];
        const char              *sp, *ep;
        int                      sz, i;
-       struct roffsu            su;
 
-       if (SEC_SYNOPSIS == n->sec) {
-               SCALE_HS_INIT(&su, INDENT);
-               bufcat_su(h, "margin-left", &su);
-               su.scale = -su.scale;
-               bufcat_su(h, "text-indent", &su);
-               if (n->next) {
-                       SCALE_VS_INIT(&su, 1);
-                       bufcat_su(h, "margin-bottom", &su);
-               }
-               PAIR_STYLE_INIT(&tag[0], h);
-               print_otag(h, TAG_DIV, 1, tag);
-       }
+       synopsis_pre(h, n);
 
        /* Split apart into type and name. */
        assert(n->child->string);
@@ -1671,10 +1665,27 @@ mdoc_fn_pre(MDOC_ARGS)
        }
 
        PAIR_CLASS_INIT(&tag[0], "fname");
+
+       /*
+        * FIXME: only refer to IDs that we know exist.
+        */
+
+#if 0
+       if (MDOC_SYNPRETTY & n->flags) {
+               nbuf[0] = '\0';
+               html_idcat(nbuf, sp, BUFSIZ);
+               PAIR_ID_INIT(&tag[1], nbuf);
+       } else {
+               strlcpy(nbuf, "#", BUFSIZ);
+               html_idcat(nbuf, sp, BUFSIZ);
+               PAIR_HREF_INIT(&tag[1], nbuf);
+       }
+#endif
+
        t = print_otag(h, TAG_SPAN, 1, tag);
 
        if (sp) {
-               (void)strlcpy(nbuf, sp, BUFSIZ);
+               strlcpy(nbuf, sp, BUFSIZ);
                print_text(h, nbuf);
        }
 
@@ -1690,7 +1701,7 @@ mdoc_fn_pre(MDOC_ARGS)
 
        for (nn = n->child->next; nn; nn = nn->next) {
                i = 1;
-               if (SEC_SYNOPSIS == n->sec)
+               if (MDOC_SYNPRETTY & n->flags)
                        i = 2;
                t = print_otag(h, TAG_SPAN, i, tag);
                print_text(h, nn->string);
@@ -1700,13 +1711,30 @@ mdoc_fn_pre(MDOC_ARGS)
        }
 
        print_text(h, ")");
-       if (SEC_SYNOPSIS == n->sec)
+       if (MDOC_SYNPRETTY & n->flags)
                print_text(h, ";");
 
        return(0);
 }
 
 
+/* ARGSUSED */
+static int
+mdoc_sm_pre(MDOC_ARGS)
+{
+
+       assert(n->child && MDOC_TEXT == n->child->type);
+       if (0 == strcmp("on", n->child->string)) {
+               /* FIXME: no p->col to check... */
+               h->flags &= ~HTML_NOSPACE;
+               h->flags &= ~HTML_NONOSPACE;
+       } else
+               h->flags |= HTML_NONOSPACE;
+
+       return(0);
+}
+
+
 /* ARGSUSED */
 static int
 mdoc_sp_pre(MDOC_ARGS)
@@ -1724,6 +1752,11 @@ mdoc_sp_pre(MDOC_ARGS)
                len = 0;
                break;
        default:
+               assert(n->parent);
+               if ((NULL == n->next || NULL == n->prev) &&
+                               (MDOC_Ss == n->parent->tok ||
+                                MDOC_Sh == n->parent->tok))
+                       return(0);
                len = 1;
                break;
        }
@@ -1775,8 +1808,7 @@ mdoc_lk_pre(MDOC_ARGS)
        nn = n->child;
 
        PAIR_CLASS_INIT(&tag[0], "link-ext");
-       tag[1].key = ATTR_HREF;
-       tag[1].val = nn->string;
+       PAIR_HREF_INIT(&tag[1], nn->string);
        print_otag(h, TAG_A, 2, tag);
 
        if (NULL == nn->next) 
@@ -1803,7 +1835,7 @@ mdoc_mt_pre(MDOC_ARGS)
                bufinit(h);
                bufcat(h, "mailto:");
                bufcat(h, nn->string);
-               PAIR_STYLE_INIT(&tag[1], h);
+               PAIR_HREF_INIT(&tag[1], h->buf);
                t = print_otag(h, TAG_A, 2, tag);
                print_text(h, nn->string);
                print_tagq(h, t);
@@ -1817,19 +1849,29 @@ mdoc_mt_pre(MDOC_ARGS)
 static int
 mdoc_fo_pre(MDOC_ARGS)
 {
-       struct htmlpair tag;
+       struct htmlpair  tag;
+       struct tag      *t;
 
        if (MDOC_BODY == n->type) {
                h->flags |= HTML_NOSPACE;
                print_text(h, "(");
                h->flags |= HTML_NOSPACE;
                return(1);
-       } else if (MDOC_BLOCK == n->type)
+       } else if (MDOC_BLOCK == n->type) {
+               synopsis_pre(h, n);
                return(1);
+       }
+
+       /* XXX: we drop non-initial arguments as per groff. */
+
+       assert(n->child);
+       assert(n->child->string);
 
        PAIR_CLASS_INIT(&tag, "fname");
-       print_otag(h, TAG_SPAN, 1, &tag);
-       return(1);
+       t = print_otag(h, TAG_SPAN, 1, &tag);
+       print_text(h, n->child->string);
+       print_tagq(h, t);
+       return(0);
 }
 
 
@@ -1837,6 +1879,7 @@ mdoc_fo_pre(MDOC_ARGS)
 static void
 mdoc_fo_post(MDOC_ARGS)
 {
+
        if (MDOC_BODY != n->type)
                return;
        h->flags |= HTML_NOSPACE;
@@ -1854,39 +1897,26 @@ mdoc_in_pre(MDOC_ARGS)
        struct tag              *t;
        struct htmlpair          tag[2];
        int                      i;
-       struct roffsu            su;
 
-       if (SEC_SYNOPSIS == n->sec) {
-               if (n->next && MDOC_In != n->next->tok) {
-                       SCALE_VS_INIT(&su, 1);
-                       bufcat_su(h, "margin-bottom", &su);
-                       PAIR_STYLE_INIT(&tag[0], h);
-                       print_otag(h, TAG_DIV, 1, tag);
-               } else
-                       print_otag(h, TAG_DIV, 0, NULL);
-       }
-
-       /* FIXME: there's a buffer bug in here somewhere. */
+       synopsis_pre(h, n);
 
        PAIR_CLASS_INIT(&tag[0], "includes");
        print_otag(h, TAG_SPAN, 1, tag);
 
-       if (SEC_SYNOPSIS == n->sec)
+       if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
                print_text(h, "#include");
 
        print_text(h, "<");
        h->flags |= HTML_NOSPACE;
 
-       /* XXX -- see warning in termp_in_post(). */
-
        for (nn = n->child; nn; nn = nn->next) {
                PAIR_CLASS_INIT(&tag[0], "link-includes");
                i = 1;
                bufinit(h);
                if (h->base_includes) {
                        buffmt_includes(h, nn->string);
-                       tag[i].key = ATTR_HREF;
-                       tag[i++].val = h->buf;
+                       PAIR_HREF_INIT(&tag[i], h->buf);
+                       i++;
                }
                t = print_otag(h, TAG_A, i, tag);
                print_mdoc_node(m, nn, h);
@@ -1938,7 +1968,7 @@ mdoc_rv_pre(MDOC_ARGS)
                        print_text(h, "()");
        }
 
-       if (n->child->next)
+       if (n->child && n->child->next)
                print_text(h, "functions return");
        else
                print_text(h, "function returns");
@@ -2008,47 +2038,33 @@ mdoc_ap_pre(MDOC_ARGS)
 static int
 mdoc_bf_pre(MDOC_ARGS)
 {
-       int              i;
        struct htmlpair  tag[2];
        struct roffsu    su;
 
        if (MDOC_HEAD == n->type)
                return(0);
-       else if (MDOC_BLOCK != n->type)
+       else if (MDOC_BODY != n->type)
                return(1);
 
-       PAIR_CLASS_INIT(&tag[0], "lit");
+       assert(n->data.Bf);
 
-       if (n->head->child) {
-               if ( ! strcmp("Em", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "emph");
-               else if ( ! strcmp("Sy", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "symb");
-               else if ( ! strcmp("Li", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "lit");
-       } else {
-               assert(n->args);
-               for (i = 0; i < (int)n->args->argc; i++) 
-                       switch (n->args->argv[i].arg) {
-                       case (MDOC_Symbolic):
-                               PAIR_CLASS_INIT(&tag[0], "symb");
-                               break;
-                       case (MDOC_Literal):
-                               PAIR_CLASS_INIT(&tag[0], "lit");
-                               break;
-                       case (MDOC_Emphasis):
-                               PAIR_CLASS_INIT(&tag[0], "emph");
-                               break;
-                       default:
-                               break;
-                       }
-       }
-
-       /* FIXME: div's have spaces stripped--we want them. */
+       if (FONT_Em == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "emph");
+       else if (FONT_Sy == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "symb");
+       else if (FONT_Li == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "lit");
+       else
+               PAIR_CLASS_INIT(&tag[0], "none");
 
+       /* 
+        * We want this to be inline-formatted, but needs to be div to
+        * accept block children. 
+        */
        bufcat_style(h, "display", "inline");
        SCALE_HS_INIT(&su, 1);
-       bufcat_su(h, "margin-right", &su);
+       /* Needs a left-margin for spacing. */
+       bufcat_su(h, "margin-left", &su);
        PAIR_STYLE_INIT(&tag[1], h);
        print_otag(h, TAG_DIV, 2, tag);
        return(1);
@@ -2161,7 +2177,7 @@ mdoc_lb_pre(MDOC_ARGS)
 {
        struct htmlpair tag;
 
-       if (SEC_SYNOPSIS == n->sec)
+       if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
                print_otag(h, TAG_DIV, 0, NULL);
        PAIR_CLASS_INIT(&tag, "lib");
        print_otag(h, TAG_SPAN, 1, &tag);
@@ -2211,8 +2227,6 @@ mdoc__x_pre(MDOC_ARGS)
                break;
        case(MDOC__T):
                PAIR_CLASS_INIT(&tag[0], "ref-title");
-               print_text(h, "\\(lq");
-               h->flags |= HTML_NOSPACE;
                break;
        case(MDOC__U):
                PAIR_CLASS_INIT(&tag[0], "link-ref");
@@ -2241,14 +2255,40 @@ static void
 mdoc__x_post(MDOC_ARGS)
 {
 
+       /* TODO: %U */
+
        h->flags |= HTML_NOSPACE;
-       switch (n->tok) {
-       case (MDOC__T):
-               print_text(h, "\\(rq");
-               h->flags |= HTML_NOSPACE;
+       print_text(h, n->next ? "," : ".");
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_bk_pre(MDOC_ARGS)
+{
+
+       switch (n->type) {
+       case (MDOC_BLOCK):
                break;
-       default:
+       case (MDOC_HEAD):
+               return(0);
+       case (MDOC_BODY):
+               h->flags |= HTML_PREKEEP;
                break;
+       default:
+               abort();
+               /* NOTREACHED */
        }
-       print_text(h, n->next ? "," : ".");
+
+       return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_bk_post(MDOC_ARGS)
+{
+
+       if (MDOC_BODY == n->type)
+               h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
 }