Fill in more version notes.

[mandoc.git] / mdoc_action.c

diff --git a/mdoc_action.c b/mdoc_action.c
index 49a870521b506e24db5705e68065ecbbf35fc142..928615aba89abc429c31773998b8858476f43427 100644 (file)
--- a/mdoc_action.c
+++ b/mdoc_action.c
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_action.c,v 1.56 2010/05/14 15:26:39 kristaps Exp $ */
+/*     $Id: mdoc_action.c,v 1.77 2010/07/26 13:45:49 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
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -28,11 +28,17 @@
 #include <string.h>
 #include <time.h>
 
 #include <string.h>
 #include <time.h>
 

+#include "mandoc.h"

 #include "libmdoc.h"
 #include "libmandoc.h"
 
 #include "libmdoc.h"
 #include "libmandoc.h"
 

+/* 
+ * FIXME: this file is deprecated.  All future "actions" should be
+ * pushed into mdoc_validate.c.
+ */
+

 #define        POST_ARGS struct mdoc *m, struct mdoc_node *n
 #define        POST_ARGS struct mdoc *m, struct mdoc_node *n

-#define        PRE_ARGS  struct mdoc *m, const struct mdoc_node *n
+#define        PRE_ARGS  struct mdoc *m, struct mdoc_node *n

 
 #define        NUMSIZ    32
 #define        DATESIZ   32
 
 #define        NUMSIZ    32
 #define        DATESIZ   32


@@ -56,6 +62,7 @@ static        int       post_dd(POST_ARGS);
 static int       post_display(POST_ARGS);
 static int       post_dt(POST_ARGS);
 static int       post_lb(POST_ARGS);
 static int       post_display(POST_ARGS);
 static int       post_dt(POST_ARGS);
 static int       post_lb(POST_ARGS);

+static int       post_li(POST_ARGS);

 static int       post_nm(POST_ARGS);
 static int       post_os(POST_ARGS);
 static int       post_pa(POST_ARGS);
 static int       post_nm(POST_ARGS);
 static int       post_os(POST_ARGS);
 static int       post_pa(POST_ARGS);


@@ -66,9 +73,7 @@ static        int       post_st(POST_ARGS);
 static int       post_std(POST_ARGS);
 
 static int       pre_bd(PRE_ARGS);
 static int       post_std(POST_ARGS);
 
 static int       pre_bd(PRE_ARGS);

-static int       pre_bl(PRE_ARGS);

 static int       pre_dl(PRE_ARGS);
 static int       pre_dl(PRE_ARGS);

-static int       pre_offset(PRE_ARGS);

 
 static const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* Ap */
 
 static const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* Ap */


@@ -82,7 +87,7 @@ static        const struct actions mdoc_actions[MDOC_MAX] = {
        { pre_dl, post_display }, /* Dl */
        { pre_bd, post_display }, /* Bd */ 
        { NULL, NULL }, /* Ed */
        { pre_dl, post_display }, /* Dl */
        { pre_bd, post_display }, /* Bd */ 
        { NULL, NULL }, /* Ed */

-       { pre_bl, post_bl }, /* Bl */ 
+       { NULL, post_bl }, /* Bl */ 

        { NULL, NULL }, /* El */
        { NULL, NULL }, /* It */
        { NULL, NULL }, /* Ad */ 
        { NULL, NULL }, /* El */
        { NULL, NULL }, /* It */
        { NULL, NULL }, /* Ad */ 


@@ -101,7 +106,7 @@ static      const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* Ft */ 
        { NULL, NULL }, /* Ic */ 
        { NULL, NULL }, /* In */ 
        { NULL, NULL }, /* Ft */ 
        { NULL, NULL }, /* Ic */ 
        { NULL, NULL }, /* In */ 

-       { NULL, NULL }, /* Li */
+       { NULL, post_li }, /* Li */

        { NULL, NULL }, /* Nd */ 
        { NULL, post_nm }, /* Nm */ 
        { NULL, NULL }, /* Op */
        { NULL, NULL }, /* Nd */ 
        { NULL, post_nm }, /* Nm */ 
        { NULL, NULL }, /* Op */


@@ -192,6 +197,7 @@ static      const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* br */
        { NULL, NULL }, /* sp */
        { NULL, NULL }, /* %U */
        { NULL, NULL }, /* br */
        { NULL, NULL }, /* sp */
        { NULL, NULL }, /* %U */

+       { NULL, NULL }, /* Ta */

 };
 
 #define        RSORD_MAX 14
 };
 
 #define        RSORD_MAX 14


@@ -215,7 +221,7 @@ static      const enum mdoct rsord[RSORD_MAX] = {
 
 
 int
 
 
 int

-mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
+mdoc_action_pre(struct mdoc *m, struct mdoc_node *n)

 {
 
        switch (n->type) {
 {
 
        switch (n->type) {


@@ -269,12 +275,21 @@ concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
        p[0] = '\0';
        for ( ; n; n = n->next) {
                assert(MDOC_TEXT == n->type);
        p[0] = '\0';
        for ( ; n; n = n->next) {
                assert(MDOC_TEXT == n->type);

-               if (strlcat(p, n->string, sz) >= sz)
-                       return(mdoc_nerr(m, n, ETOOLONG));
+               /*
+                * XXX: yes, these can technically be resized, but it's
+                * highly unlikely that we're going to get here, so let
+                * it slip for now.
+                */
+               if (strlcat(p, n->string, sz) >= sz) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }

                if (NULL == n->next)
                        continue;
                if (NULL == n->next)
                        continue;

-               if (strlcat(p, " ", sz) >= sz)
-                       return(mdoc_nerr(m, n, ETOOLONG));
+               if (strlcat(p, " ", sz) >= sz) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }

        }
 
        return(1);
        }
 
        return(1);


@@ -288,14 +303,16 @@ concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
 static int
 post_std(POST_ARGS)
 {
 static int
 post_std(POST_ARGS)
 {

-       struct mdoc_node        *nn;
+       struct mdoc_node *nn;

 
        if (n->child)
                return(1);
 
        if (n->child)
                return(1);

+       if (NULL == m->meta.name)
+               return(1);

        
        nn = n;
        m->next = MDOC_NEXT_CHILD;
        
        nn = n;
        m->next = MDOC_NEXT_CHILD;

-       assert(m->meta.name);
+

        if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name))
                return(0);
        m->last = nn;
        if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name))
                return(0);
        m->last = nn;


@@ -382,15 +399,27 @@ post_st(POST_ARGS)
 static int
 post_at(POST_ARGS)
 {
 static int
 post_at(POST_ARGS)
 {

-       struct mdoc_node        *nn;
-       const char              *p;
+       struct mdoc_node *nn;
+       const char       *p, *q;
+       char             *buf;
+       size_t            sz;

 
        if (n->child) {
                assert(MDOC_TEXT == n->child->type);
                p = mdoc_a2att(n->child->string);
 
        if (n->child) {
                assert(MDOC_TEXT == n->child->type);
                p = mdoc_a2att(n->child->string);

-               assert(p);
-               free(n->child->string);
-               n->child->string = mandoc_strdup(p);
+               if (p) {
+                       free(n->child->string);
+                       n->child->string = mandoc_strdup(p);
+               } else {
+                       p = "AT&T UNIX ";
+                       q = n->child->string;
+                       sz = strlen(p) + strlen(q) + 1;
+                       buf = mandoc_malloc(sz);
+                       strlcpy(buf, p, sz);
+                       strlcat(buf, q, sz);
+                       free(n->child->string);
+                       n->child->string = buf;
+               }

                return(1);
        }
 
                return(1);
        }
 


@@ -428,23 +457,31 @@ post_sh(POST_ARGS)
        if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)
                m->lastnamed = sec;
 
        if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)
                m->lastnamed = sec;
 

+       /*
+        * Switch the parser's SYNOPSIS mode, to be copied
+        * into individual nodes when creating them.
+        * Note that this mode can also be set and unset
+        * using the roff nS register.
+        */
+       if (SEC_SYNOPSIS == sec)
+               m->flags |= MDOC_SYNOPSIS;
+       else
+               m->flags &= ~MDOC_SYNOPSIS;
+

        /* Some sections only live in certain manual sections. */
 
        switch ((m->lastsec = sec)) {
        case (SEC_RETURN_VALUES):
                /* FALLTHROUGH */
        case (SEC_ERRORS):
        /* Some sections only live in certain manual sections. */
 
        switch ((m->lastsec = sec)) {
        case (SEC_RETURN_VALUES):
                /* FALLTHROUGH */
        case (SEC_ERRORS):

-               switch (m->meta.msec) {
-               case (2):
-                       /* FALLTHROUGH */
-               case (3):
-                       /* FALLTHROUGH */
-               case (9):
+               assert(m->meta.msec);
+               if (*m->meta.msec == '2')

                        break;
                        break;

-               default:
-                       return(mdoc_nwarn(m, n, EBADSEC));
-               }
-               break;
+               if (*m->meta.msec == '3')
+                       break;
+               if (*m->meta.msec == '9')
+                       break;
+               return(mdoc_nmsg(m, n, MANDOCERR_SECMSEC));

        default:
                break;
        }
        default:
                break;
        }


@@ -461,8 +498,6 @@ post_dt(POST_ARGS)
 {
        struct mdoc_node *nn;
        const char       *cp;
 {
        struct mdoc_node *nn;
        const char       *cp;

-       char             *ep;
-       long              lval;

 
        if (m->meta.title)
                free(m->meta.title);
 
        if (m->meta.title)
                free(m->meta.title);


@@ -472,16 +507,16 @@ post_dt(POST_ARGS)
                free(m->meta.arch);
 
        m->meta.title = m->meta.vol = m->meta.arch = NULL;
                free(m->meta.arch);
 
        m->meta.title = m->meta.vol = m->meta.arch = NULL;

-       m->meta.msec = 0;
-

        /* Handles: `.Dt' 
         *   --> title = unknown, volume = local, msec = 0, arch = NULL
         */
 
        if (NULL == (nn = n->child)) {
                /* XXX: make these macro values. */
        /* Handles: `.Dt' 
         *   --> title = unknown, volume = local, msec = 0, arch = NULL
         */
 
        if (NULL == (nn = n->child)) {
                /* XXX: make these macro values. */

-               m->meta.title = mandoc_strdup("unknown");
-               m->meta.vol = mandoc_strdup("local");
+               /* FIXME: warn about missing values. */
+               m->meta.title = mandoc_strdup("UNKNOWN");
+               m->meta.vol = mandoc_strdup("LOCAL");
+               m->meta.msec = mandoc_strdup("1");

                return(post_prol(m, n));
        }
 
                return(post_prol(m, n));
        }
 


@@ -489,11 +524,14 @@ post_dt(POST_ARGS)
         *   --> title = TITLE, volume = local, msec = 0, arch = NULL
         */
 
         *   --> title = TITLE, volume = local, msec = 0, arch = NULL
         */
 

-       m->meta.title = mandoc_strdup(nn->string);
+       m->meta.title = mandoc_strdup
+               ('\0' == nn->string[0] ? "UNKNOWN" : nn->string);

 
        if (NULL == (nn = nn->next)) {
 
        if (NULL == (nn = nn->next)) {

+               /* FIXME: warn about missing msec. */

                /* XXX: make this a macro value. */
                /* XXX: make this a macro value. */

-               m->meta.vol = mandoc_strdup("local");
+               m->meta.vol = mandoc_strdup("LOCAL");
+               m->meta.msec = mandoc_strdup("1");

                return(post_prol(m, n));
        }
 
                return(post_prol(m, n));
        }
 


@@ -506,13 +544,13 @@ post_dt(POST_ARGS)
 
        cp = mdoc_a2msec(nn->string);
        if (cp) {
 
        cp = mdoc_a2msec(nn->string);
        if (cp) {

-               /* FIXME: where is strtonum!? */

                m->meta.vol = mandoc_strdup(cp);
                m->meta.vol = mandoc_strdup(cp);

-               lval = strtol(nn->string, &ep, 10);
-               if (nn->string[0] != '\0' && *ep == '\0')
-                       m->meta.msec = (int)lval;
-       } else 
+               m->meta.msec = mandoc_strdup(nn->string);
+       } else if (mdoc_nmsg(m, n, MANDOCERR_BADMSEC)) {

                m->meta.vol = mandoc_strdup(nn->string);
                m->meta.vol = mandoc_strdup(nn->string);

+               m->meta.msec = mandoc_strdup(nn->string);
+       } else
+               return(0);

 
        if (NULL == (nn = nn->next))
                return(post_prol(m, n));
 
        if (NULL == (nn = nn->next))
                return(post_prol(m, n));


@@ -529,6 +567,7 @@ post_dt(POST_ARGS)
                free(m->meta.vol);
                m->meta.vol = mandoc_strdup(cp);
        } else {
                free(m->meta.vol);
                m->meta.vol = mandoc_strdup(cp);
        } else {

+               /* FIXME: warn about bad arch. */

                cp = mdoc_a2arch(nn->string);
                if (NULL == cp) {
                        free(m->meta.vol);
                cp = mdoc_a2arch(nn->string);
                if (NULL == cp) {
                        free(m->meta.vol);


@@ -564,19 +603,32 @@ post_os(POST_ARGS)
        if ( ! concat(m, buf, n->child, BUFSIZ))
                return(0);
 
        if ( ! concat(m, buf, n->child, BUFSIZ))
                return(0);
 

+       /* XXX: yes, these can all be dynamically-adjusted buffers, but
+        * it's really not worth the extra hackery.
+        */
+

        if ('\0' == buf[0]) {
 #ifdef OSNAME
        if ('\0' == buf[0]) {
 #ifdef OSNAME

-               if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ)
-                       return(mdoc_nerr(m, n, EUTSNAME));
+               if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }

 #else /*!OSNAME */
                if (-1 == uname(&utsname))
 #else /*!OSNAME */
                if (-1 == uname(&utsname))

-                       return(mdoc_nerr(m, n, EUTSNAME));
-               if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ)
-                       return(mdoc_nerr(m, n, ETOOLONG));
-               if (strlcat(buf, " ", 64) >= BUFSIZ)
-                       return(mdoc_nerr(m, n, ETOOLONG));
-               if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ)
-                       return(mdoc_nerr(m, n, ETOOLONG));
+                       return(mdoc_nmsg(m, n, MANDOCERR_UTSNAME));
+
+               if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }
+               if (strlcat(buf, " ", 64) >= BUFSIZ) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }
+               if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
+                       mdoc_nmsg(m, n, MANDOCERR_MEM);
+                       return(0);
+               }

 #endif /*!OSNAME*/
        }
 
 #endif /*!OSNAME*/
        }
 


@@ -595,30 +647,34 @@ static int
 post_bl_tagwidth(POST_ARGS)
 {
        struct mdoc_node *nn;
 post_bl_tagwidth(POST_ARGS)
 {
        struct mdoc_node *nn;

-       size_t            sz;
+       size_t            sz, ssz;

        int               i;
        char              buf[NUMSIZ];
 
        int               i;
        char              buf[NUMSIZ];
 

-       /* Defaults to ten ens. */
+       sz = 10;

 
 

-       sz = 10; /* XXX: make this a macro value. */
-       nn = n->body->child;
+       for (nn = n->body->child; nn; nn = nn->next) {
+               if (MDOC_It != nn->tok)
+                       continue;

 
 

-       if (nn) {

                assert(MDOC_BLOCK == nn->type);
                assert(MDOC_BLOCK == nn->type);

-               assert(MDOC_It == nn->tok);

                nn = nn->head->child;
                nn = nn->head->child;

-               if (MDOC_TEXT != nn->type) {
-                       sz = mdoc_macro2len(nn->tok);
-                       if (sz == 0) {
-                               if ( ! mdoc_nwarn(m, n, ENOWIDTH))
-                                       return(0);
-                               sz = 10;
-                       }
-               } else
+
+               if (MDOC_TEXT == nn->type) {

                        sz = strlen(nn->string) + 1;
                        sz = strlen(nn->string) + 1;

+                       break;
+               }
+
+               if (0 != (ssz = mdoc_macro2len(nn->tok)))
+                       sz = ssz;
+               else if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+                       return(0);
+
+               break;

        } 
 
        } 
 

+       /* Defaults to ten ens. */
+

        snprintf(buf, NUMSIZ, "%zun", sz);
 
        /*
        snprintf(buf, NUMSIZ, "%zun", sz);
 
        /*


@@ -626,19 +682,21 @@ post_bl_tagwidth(POST_ARGS)
         * We're guaranteed that a MDOC_Width doesn't already exist.
         */
 
         * We're guaranteed that a MDOC_Width doesn't already exist.
         */
 

-       nn = n;
-       assert(nn->args);
-       i = (int)(nn->args->argc)++;
-
-       nn->args->argv = mandoc_realloc(nn->args->argv, 
-                       nn->args->argc * sizeof(struct mdoc_argv));
-
-       nn->args->argv[i].arg = MDOC_Width;
-       nn->args->argv[i].line = n->line;
-       nn->args->argv[i].pos = n->pos;
-       nn->args->argv[i].sz = 1;
-       nn->args->argv[i].value = mandoc_malloc(sizeof(char *));
-       nn->args->argv[i].value[0] = mandoc_strdup(buf);
+       assert(n->args);
+       i = (int)(n->args->argc)++;
+
+       n->args->argv = mandoc_realloc(n->args->argv, 
+                       n->args->argc * sizeof(struct mdoc_argv));
+
+       n->args->argv[i].arg = MDOC_Width;
+       n->args->argv[i].line = n->line;
+       n->args->argv[i].pos = n->pos;
+       n->args->argv[i].sz = 1;
+       n->args->argv[i].value = mandoc_malloc(sizeof(char *));
+       n->args->argv[i].value[0] = mandoc_strdup(buf);
+
+       /* Set our width! */
+       n->data.Bl->width = n->args->argv[i].value[0];

        return(1);
 }
 
        return(1);
 }
 


@@ -655,37 +713,35 @@ post_bl_width(POST_ARGS)
        int               i;
        enum mdoct        tok;
        char              buf[NUMSIZ];
        int               i;
        enum mdoct        tok;
        char              buf[NUMSIZ];

-       char             *p;
-
-       if (NULL == n->args)
-               return(1);
-
-       for (i = 0; i < (int)n->args->argc; i++)
-               if (MDOC_Width == n->args->argv[i].arg)
-                       break;
-
-       if (i == (int)n->args->argc)
-               return(1);
-       p = n->args->argv[i].value[0];

 
        /*
         * If the value to -width is a macro, then we re-write it to be
         * the macro's width as set in share/tmac/mdoc/doc-common.
         */
 
 
        /*
         * If the value to -width is a macro, then we re-write it to be
         * the macro's width as set in share/tmac/mdoc/doc-common.
         */
 

-       if (0 == strcmp(p, "Ds"))
-               /* XXX: make into a macro. */
+       if (0 == strcmp(n->data.Bl->width, "Ds"))

                width = 6;
                width = 6;

-       else if (MDOC_MAX == (tok = mdoc_hash_find(p)))
+       else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))

                return(1);
        else if (0 == (width = mdoc_macro2len(tok))) 
                return(1);
        else if (0 == (width = mdoc_macro2len(tok))) 

-               return(mdoc_nwarn(m, n, ENOWIDTH));
+               return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH));

 
        /* The value already exists: free and reallocate it. */
 
 
        /* The value already exists: free and reallocate it. */
 

+       assert(n->args);
+
+       for (i = 0; i < (int)n->args->argc; i++) 
+               if (MDOC_Width == n->args->argv[i].arg)
+                       break;
+
+       assert(i < (int)n->args->argc);
+

        snprintf(buf, NUMSIZ, "%zun", width);
        free(n->args->argv[i].value[0]);
        n->args->argv[i].value[0] = mandoc_strdup(buf);
        snprintf(buf, NUMSIZ, "%zun", width);
        free(n->args->argv[i].value[0]);
        n->args->argv[i].value[0] = mandoc_strdup(buf);

+
+       /* Set our width! */
+       n->data.Bl->width = n->args->argv[i].value[0];

        return(1);
 }
 
        return(1);
 }
 


@@ -701,7 +757,9 @@ post_bl_head(POST_ARGS)
        int                      i, c;
        struct mdoc_node        *np, *nn, *nnp;
 
        int                      i, c;
        struct mdoc_node        *np, *nn, *nnp;
 

-       if (NULL == n->child)
+       if (LIST_column != n->data.Bl->type)
+               return(1);
+       else if (NULL == n->child)

                return(1);
 
        np = n->parent;
                return(1);
 
        np = n->parent;


@@ -711,8 +769,7 @@ post_bl_head(POST_ARGS)
                if (MDOC_Column == np->args->argv[c].arg)
                        break;
 
                if (MDOC_Column == np->args->argv[c].arg)
                        break;
 

-       if (c == (int)np->args->argc)
-               return(1);
+       assert(c < (int)np->args->argc);

        assert(0 == np->args->argv[c].sz);
 
        /*
        assert(0 == np->args->argv[c].sz);
 
        /*


@@ -725,6 +782,9 @@ post_bl_head(POST_ARGS)
        np->args->argv[c].value = mandoc_malloc
                ((size_t)n->nchild * sizeof(char *));
 
        np->args->argv[c].value = mandoc_malloc
                ((size_t)n->nchild * sizeof(char *));
 

+       n->data.Bl->ncols = np->args->argv[c].sz;
+       n->data.Bl->cols = (const char **)np->args->argv[c].value;
+

        for (i = 0, nn = n->child; nn; i++) {
                np->args->argv[c].value[i] = nn->string;
                nn->string = NULL;
        for (i = 0, nn = n->child; nn; i++) {
                np->args->argv[c].value[i] = nn->string;
                nn->string = NULL;


@@ -742,7 +802,6 @@ post_bl_head(POST_ARGS)
 static int
 post_bl(POST_ARGS)
 {
 static int
 post_bl(POST_ARGS)
 {

-       int               i, r, len;

 
        if (MDOC_HEAD == n->type)
                return(post_bl_head(m, n));
 
        if (MDOC_HEAD == n->type)
                return(post_bl_head(m, n));


@@ -757,22 +816,16 @@ post_bl(POST_ARGS)
         * rewritten into real lengths).
         */
 
         * rewritten into real lengths).
         */
 

-       len = (int)(n->args ? n->args->argc : 0);
-
-       for (r = i = 0; i < len; i++) {
-               if (MDOC_Tag == n->args->argv[i].arg)
-                       r |= 1 << 0;
-               if (MDOC_Width == n->args->argv[i].arg)
-                       r |= 1 << 1;
-       }
-
-       if (r & (1 << 0) && ! (r & (1 << 1))) {
+       if (LIST_tag == n->data.Bl->type && NULL == n->data.Bl->width) {

                if ( ! post_bl_tagwidth(m, n))
                        return(0);
                if ( ! post_bl_tagwidth(m, n))
                        return(0);

-       } else if (r & (1 << 1))
+       } else if (NULL != n->data.Bl->width) {

                if ( ! post_bl_width(m, n))
                        return(0);
                if ( ! post_bl_width(m, n))
                        return(0);

+       } else 
+               return(1);

 
 

+       assert(n->data.Bl->width);

        return(1);
 }
 
        return(1);
 }
 


@@ -791,7 +844,6 @@ post_pa(POST_ARGS)
        
        np = n;
        m->next = MDOC_NEXT_CHILD;
        
        np = n;
        m->next = MDOC_NEXT_CHILD;

-       /* XXX: make into macro value. */

        if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
                return(0);
        m->last = np;
        if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
                return(0);
        m->last = np;


@@ -799,6 +851,27 @@ post_pa(POST_ARGS)
 }
 
 
 }
 
 

+/*
+ * Empty `Li' macros get an empty string to make front-ends add an extra
+ * space.
+ */
+static int
+post_li(POST_ARGS)
+{
+       struct mdoc_node *np;
+
+       if (n->child)
+               return(1);
+       
+       np = n;
+       m->next = MDOC_NEXT_CHILD;
+       if ( ! mdoc_word_alloc(m, n->line, n->pos, ""))
+               return(0);
+       m->last = np;
+       return(1);
+}
+
+

 /*
  * The `Ar' macro defaults to two strings "file ..." if no value is
  * provided as an argument.
 /*
  * The `Ar' macro defaults to two strings "file ..." if no value is
  * provided as an argument.


@@ -831,6 +904,11 @@ post_dd(POST_ARGS)
 {
        char            buf[DATESIZ];
 
 {
        char            buf[DATESIZ];
 

+       if (NULL == n->child) {
+               m->meta.date = time(NULL);
+               return(post_prol(m, n));
+       }
+

        if ( ! concat(m, buf, n->child, DATESIZ))
                return(0);
 
        if ( ! concat(m, buf, n->child, DATESIZ))
                return(0);
 


@@ -838,7 +916,7 @@ post_dd(POST_ARGS)
                (MTIME_MDOCDATE | MTIME_CANONICAL, buf);
 
        if (0 == m->meta.date) {
                (MTIME_MDOCDATE | MTIME_CANONICAL, buf);
 
        if (0 == m->meta.date) {

-               if ( ! mdoc_nwarn(m, n, EBADDATE))
+               if ( ! mdoc_nmsg(m, n, MANDOCERR_BADDATE))

                        return(0);
                m->meta.date = time(NULL);
        }
                        return(0);
                m->meta.date = time(NULL);
        }


@@ -876,60 +954,18 @@ pre_dl(PRE_ARGS)
 }
 
 
 }
 
 

-/* ARGSUSED */
-static int
-pre_offset(PRE_ARGS)
-{
-       int              i;
-
-       /* 
-        * Make sure that an empty offset produces an 8n length space as
-        * stipulated by mdoc.samples. 
-        */
-
-       assert(n->args);
-       for (i = 0; i < (int)n->args->argc; i++) {
-               if (MDOC_Offset != n->args->argv[i].arg) 
-                       continue;
-               if (n->args->argv[i].sz)
-                       break;
-               assert(1 == n->args->refcnt);
-               /* If no value set, length of <string>. */
-               n->args->argv[i].sz++;
-               n->args->argv[i].value = mandoc_malloc(sizeof(char *));
-               n->args->argv[i].value[0] = mandoc_strdup("8n");
-               break;
-       }
-
-       return(1);
-}
-
-
-static int
-pre_bl(PRE_ARGS)
-{
-
-       return(MDOC_BLOCK == n->type ? pre_offset(m, n) : 1);
-}
-
-

 static int
 pre_bd(PRE_ARGS)
 {
 static int
 pre_bd(PRE_ARGS)
 {

-       int              i;

 
 

-       if (MDOC_BLOCK == n->type)
-               return(pre_offset(m, n));

        if (MDOC_BODY != n->type)
                return(1);
 
        if (MDOC_BODY != n->type)
                return(1);
 

-       /* Enter literal context if `Bd -literal' or `-unfilled'. */
-
-       for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
-               if (MDOC_Literal == n->args->argv[i].arg)
-                       m->flags |= MDOC_LITERAL;
-               else if (MDOC_Unfilled == n->args->argv[i].arg)
-                       m->flags |= MDOC_LITERAL;
+       assert(n->data.Bd);
+       if (DISP_literal == n->data.Bd->type)
+               m->flags |= MDOC_LITERAL;
+       if (DISP_unfilled == n->data.Bd->type)
+               m->flags |= MDOC_LITERAL;

 
        return(1);
 }
 
        return(1);
 }