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5051 import mdocml-1.12.3
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Approved by: TBD

@@ -1,9 +1,9 @@
-/*      $Id: mdoc.c,v 1.196 2011/09/30 00:13:28 schwarze Exp $ */
+/*      $Id: mdoc.c,v 1.206 2013/12/24 19:11:46 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *

@@ -102,24 +102,24 @@
 #endif
 static  int               mdoc_ptext(struct mdoc *, int, char *, int);
 static  int               mdoc_pmacro(struct mdoc *, int, char *, int);
 
 const struct mdoc_node *
-mdoc_node(const struct mdoc *m)
+mdoc_node(const struct mdoc *mdoc)
 {
 
-        assert( ! (MDOC_HALT & m->flags));
-        return(m->first);
+        assert( ! (MDOC_HALT & mdoc->flags));
+        return(mdoc->first);
 }
 
 
 const struct mdoc_meta *
-mdoc_meta(const struct mdoc *m)
+mdoc_meta(const struct mdoc *mdoc)
 {
 
-        assert( ! (MDOC_HALT & m->flags));
-        return(&m->meta);
+        assert( ! (MDOC_HALT & mdoc->flags));
+        return(&mdoc->meta);
 }
 
 
 /*
  * Frees volatile resources (parse tree, meta-data, fields).

@@ -195,17 +195,18 @@
 
 /*
  * Allocate volatile and non-volatile parse resources.  
  */
 struct mdoc *
-mdoc_alloc(struct roff *roff, struct mparse *parse)
+mdoc_alloc(struct roff *roff, struct mparse *parse, char *defos)
 {
         struct mdoc     *p;
 
         p = mandoc_calloc(1, sizeof(struct mdoc));
 
         p->parse = parse;
+        p->defos = defos;
         p->roff = roff;
 
         mdoc_hash_init();
         mdoc_alloc1(p);
         return(p);

@@ -215,97 +216,95 @@
 /*
  * Climb back up the parse tree, validating open scopes.  Mostly calls
  * through to macro_end() in macro.c.
  */
 int
-mdoc_endparse(struct mdoc *m)
+mdoc_endparse(struct mdoc *mdoc)
 {
 
-        assert( ! (MDOC_HALT & m->flags));
-        if (mdoc_macroend(m))
+        assert( ! (MDOC_HALT & mdoc->flags));
+        if (mdoc_macroend(mdoc))
                 return(1);
-        m->flags |= MDOC_HALT;
+        mdoc->flags |= MDOC_HALT;
         return(0);
 }
 
 int
-mdoc_addeqn(struct mdoc *m, const struct eqn *ep)
+mdoc_addeqn(struct mdoc *mdoc, const struct eqn *ep)
 {
         struct mdoc_node *n;
 
-        assert( ! (MDOC_HALT & m->flags));
+        assert( ! (MDOC_HALT & mdoc->flags));
 
         /* No text before an initial macro. */
 
-        if (SEC_NONE == m->lastnamed) {
-                mdoc_pmsg(m, ep->ln, ep->pos, MANDOCERR_NOTEXT);
+        if (SEC_NONE == mdoc->lastnamed) {
+                mdoc_pmsg(mdoc, ep->ln, ep->pos, MANDOCERR_NOTEXT);
                 return(1);
         }
 
-        n = node_alloc(m, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN);
+        n = node_alloc(mdoc, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN);
         n->eqn = ep;
 
-        if ( ! node_append(m, n))
+        if ( ! node_append(mdoc, n))
                 return(0);
 
-        m->next = MDOC_NEXT_SIBLING;
+        mdoc->next = MDOC_NEXT_SIBLING;
         return(1);
 }
 
 int
-mdoc_addspan(struct mdoc *m, const struct tbl_span *sp)
+mdoc_addspan(struct mdoc *mdoc, const struct tbl_span *sp)
 {
         struct mdoc_node *n;
 
-        assert( ! (MDOC_HALT & m->flags));
+        assert( ! (MDOC_HALT & mdoc->flags));
 
         /* No text before an initial macro. */
 
-        if (SEC_NONE == m->lastnamed) {
-                mdoc_pmsg(m, sp->line, 0, MANDOCERR_NOTEXT);
+        if (SEC_NONE == mdoc->lastnamed) {
+                mdoc_pmsg(mdoc, sp->line, 0, MANDOCERR_NOTEXT);
                 return(1);
         }
 
-        n = node_alloc(m, sp->line, 0, MDOC_MAX, MDOC_TBL);
+        n = node_alloc(mdoc, sp->line, 0, MDOC_MAX, MDOC_TBL);
         n->span = sp;
 
-        if ( ! node_append(m, n))
+        if ( ! node_append(mdoc, n))
                 return(0);
 
-        m->next = MDOC_NEXT_SIBLING;
+        mdoc->next = MDOC_NEXT_SIBLING;
         return(1);
 }
 
 
 /*
  * Main parse routine.  Parses a single line -- really just hands off to
  * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
  */
 int
-mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs)
+mdoc_parseln(struct mdoc *mdoc, int ln, char *buf, int offs)
 {
 
-        assert( ! (MDOC_HALT & m->flags));
+        assert( ! (MDOC_HALT & mdoc->flags));
 
-        m->flags |= MDOC_NEWLINE;
+        mdoc->flags |= MDOC_NEWLINE;
 
         /*
          * Let the roff nS register switch SYNOPSIS mode early,
          * such that the parser knows at all times
          * whether this mode is on or off.
          * Note that this mode is also switched by the Sh macro.
          */
-        if (roff_regisset(m->roff, REG_nS)) {
-                if (roff_regget(m->roff, REG_nS))
-                        m->flags |= MDOC_SYNOPSIS;
+        if (roff_getreg(mdoc->roff, "nS"))
+                mdoc->flags |= MDOC_SYNOPSIS;
                 else
-                        m->flags &= ~MDOC_SYNOPSIS;
-        }
+                mdoc->flags &= ~MDOC_SYNOPSIS;
 
-        return(mandoc_getcontrol(buf, &offs) ?
-                        mdoc_pmacro(m, ln, buf, offs) :
-                        mdoc_ptext(m, ln, buf, offs));
+        return(roff_getcontrol(mdoc->roff, buf, &offs) ?
+                        mdoc_pmacro(mdoc, ln, buf, offs) :
+                        mdoc_ptext(mdoc, ln, buf, offs));
 }
 
 int
 mdoc_macro(MACRO_PROT_ARGS)
 {

@@ -312,35 +311,35 @@
         assert(tok < MDOC_MAX);
 
         /* If we're in the body, deny prologue calls. */
 
         if (MDOC_PROLOGUE & mdoc_macros[tok].flags && 
-                        MDOC_PBODY & m->flags) {
-                mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY);
+                        MDOC_PBODY & mdoc->flags) {
+                mdoc_pmsg(mdoc, line, ppos, MANDOCERR_BADBODY);
                 return(1);
         }
 
         /* If we're in the prologue, deny "body" macros.  */
 
         if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && 
-                        ! (MDOC_PBODY & m->flags)) {
-                mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG);
-                if (NULL == m->meta.msec)
-                        m->meta.msec = mandoc_strdup("1");
-                if (NULL == m->meta.title)
-                        m->meta.title = mandoc_strdup("UNKNOWN");
-                if (NULL == m->meta.vol)
-                        m->meta.vol = mandoc_strdup("LOCAL");
-                if (NULL == m->meta.os)
-                        m->meta.os = mandoc_strdup("LOCAL");
-                if (NULL == m->meta.date)
-                        m->meta.date = mandoc_normdate
-                                (m->parse, NULL, line, ppos);
-                m->flags |= MDOC_PBODY;
+                        ! (MDOC_PBODY & mdoc->flags)) {
+                mdoc_pmsg(mdoc, line, ppos, MANDOCERR_BADPROLOG);
+                if (NULL == mdoc->meta.msec)
+                        mdoc->meta.msec = mandoc_strdup("1");
+                if (NULL == mdoc->meta.title)
+                        mdoc->meta.title = mandoc_strdup("UNKNOWN");
+                if (NULL == mdoc->meta.vol)
+                        mdoc->meta.vol = mandoc_strdup("LOCAL");
+                if (NULL == mdoc->meta.os)
+                        mdoc->meta.os = mandoc_strdup("LOCAL");
+                if (NULL == mdoc->meta.date)
+                        mdoc->meta.date = mandoc_normdate
+                                (mdoc->parse, NULL, line, ppos);
+                mdoc->flags |= MDOC_PBODY;
         }
 
-        return((*mdoc_macros[tok].fp)(m, tok, line, ppos, pos, buf));
+        return((*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf));
 }
 
 
 static int
 node_append(struct mdoc *mdoc, struct mdoc_node *p)

@@ -372,10 +371,12 @@
          * everybody has one, but copying a null pointer is fine.
          */
 
         switch (p->type) {
         case (MDOC_BODY):
+                if (ENDBODY_NOT != p->end)
+                        break;
                 /* FALLTHROUGH */
         case (MDOC_TAIL):
                 /* FALLTHROUGH */
         case (MDOC_HEAD):
                 p->norm = p->parent->norm;

@@ -422,101 +423,103 @@
         return(1);
 }
 
 
 static struct mdoc_node *
-node_alloc(struct mdoc *m, int line, int pos, 
+node_alloc(struct mdoc *mdoc, int line, int pos, 
                 enum mdoct tok, enum mdoc_type type)
 {
         struct mdoc_node *p;
 
         p = mandoc_calloc(1, sizeof(struct mdoc_node));
-        p->sec = m->lastsec;
+        p->sec = mdoc->lastsec;
         p->line = line;
         p->pos = pos;
+        p->lastline = line;
         p->tok = tok;
         p->type = type;
 
         /* Flag analysis. */
 
-        if (MDOC_SYNOPSIS & m->flags)
+        if (MDOC_SYNOPSIS & mdoc->flags)
                 p->flags |= MDOC_SYNPRETTY;
         else
                 p->flags &= ~MDOC_SYNPRETTY;
-        if (MDOC_NEWLINE & m->flags)
+        if (MDOC_NEWLINE & mdoc->flags)
                 p->flags |= MDOC_LINE;
-        m->flags &= ~MDOC_NEWLINE;
+        mdoc->flags &= ~MDOC_NEWLINE;
 
         return(p);
 }
 
 
 int
-mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
+mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
 {
         struct mdoc_node *p;
 
-        p = node_alloc(m, line, pos, tok, MDOC_TAIL);
-        if ( ! node_append(m, p))
+        p = node_alloc(mdoc, line, pos, tok, MDOC_TAIL);
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_CHILD;
+        mdoc->next = MDOC_NEXT_CHILD;
         return(1);
 }
 
 
 int
-mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
+mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
 {
         struct mdoc_node *p;
 
-        assert(m->first);
-        assert(m->last);
+        assert(mdoc->first);
+        assert(mdoc->last);
 
-        p = node_alloc(m, line, pos, tok, MDOC_HEAD);
-        if ( ! node_append(m, p))
+        p = node_alloc(mdoc, line, pos, tok, MDOC_HEAD);
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_CHILD;
+        mdoc->next = MDOC_NEXT_CHILD;
         return(1);
 }
 
 
 int
-mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
+mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
 {
         struct mdoc_node *p;
 
-        p = node_alloc(m, line, pos, tok, MDOC_BODY);
-        if ( ! node_append(m, p))
+        p = node_alloc(mdoc, line, pos, tok, MDOC_BODY);
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_CHILD;
+        mdoc->next = MDOC_NEXT_CHILD;
         return(1);
 }
 
 
 int
-mdoc_endbody_alloc(struct mdoc *m, int line, int pos, enum mdoct tok,
+mdoc_endbody_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok,
                 struct mdoc_node *body, enum mdoc_endbody end)
 {
         struct mdoc_node *p;
 
-        p = node_alloc(m, line, pos, tok, MDOC_BODY);
+        p = node_alloc(mdoc, line, pos, tok, MDOC_BODY);
         p->pending = body;
+        p->norm = body->norm;
         p->end = end;
-        if ( ! node_append(m, p))
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_SIBLING;
+        mdoc->next = MDOC_NEXT_SIBLING;
         return(1);
 }
 
 
 int
-mdoc_block_alloc(struct mdoc *m, int line, int pos, 
+mdoc_block_alloc(struct mdoc *mdoc, int line, int pos, 
                 enum mdoct tok, struct mdoc_arg *args)
 {
         struct mdoc_node *p;
 
-        p = node_alloc(m, line, pos, tok, MDOC_BLOCK);
+        p = node_alloc(mdoc, line, pos, tok, MDOC_BLOCK);
         p->args = args;
         if (p->args)
                 (args->refcnt)++;
 
         switch (tok) {

@@ -531,24 +534,24 @@
                 break;
         default:
                 break;
         }
 
-        if ( ! node_append(m, p))
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_CHILD;
+        mdoc->next = MDOC_NEXT_CHILD;
         return(1);
 }
 
 
 int
-mdoc_elem_alloc(struct mdoc *m, int line, int pos, 
+mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos, 
                 enum mdoct tok, struct mdoc_arg *args)
 {
         struct mdoc_node *p;
 
-        p = node_alloc(m, line, pos, tok, MDOC_ELEM);
+        p = node_alloc(mdoc, line, pos, tok, MDOC_ELEM);
         p->args = args;
         if (p->args)
                 (args->refcnt)++;
 
         switch (tok) {

@@ -557,32 +560,49 @@
                 break;
         default:
                 break;
         }
 
-        if ( ! node_append(m, p))
+        if ( ! node_append(mdoc, p))
                 return(0);
-        m->next = MDOC_NEXT_CHILD;
+        mdoc->next = MDOC_NEXT_CHILD;
         return(1);
 }
 
 int
-mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p)
+mdoc_word_alloc(struct mdoc *mdoc, int line, int pos, const char *p)
 {
         struct mdoc_node *n;
 
-        n = node_alloc(m, line, pos, MDOC_MAX, MDOC_TEXT);
-        n->string = roff_strdup(m->roff, p);
+        n = node_alloc(mdoc, line, pos, MDOC_MAX, MDOC_TEXT);
+        n->string = roff_strdup(mdoc->roff, p);
 
-        if ( ! node_append(m, n))
+        if ( ! node_append(mdoc, n))
                 return(0);
 
-        m->next = MDOC_NEXT_SIBLING;
+        mdoc->next = MDOC_NEXT_SIBLING;
         return(1);
 }
 
+void
+mdoc_word_append(struct mdoc *mdoc, const char *p)
+{
+        struct mdoc_node        *n;
+        char                    *addstr, *newstr;
 
+        n = mdoc->last;
+        addstr = roff_strdup(mdoc->roff, p);
+        if (-1 == asprintf(&newstr, "%s %s", n->string, addstr)) {
+                perror(NULL);
+                exit((int)MANDOCLEVEL_SYSERR);
+        }
+        free(addstr);
+        free(n->string);
+        n->string = newstr;
+        mdoc->next = MDOC_NEXT_SIBLING;
+}
+
 static void
 mdoc_node_free(struct mdoc_node *p)
 {
 
         if (MDOC_BLOCK == p->type || MDOC_ELEM == p->type)

@@ -594,11 +614,11 @@
         free(p);
 }
 
 
 static void
-mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n)
+mdoc_node_unlink(struct mdoc *mdoc, struct mdoc_node *n)
 {
 
         /* Adjust siblings. */
 
         if (n->prev)

@@ -616,39 +636,47 @@
                         n->parent->last = n->prev ? n->prev : NULL;
         }
 
         /* Adjust parse point, if applicable. */
 
-        if (m && m->last == n) {
+        if (mdoc && mdoc->last == n) {
                 if (n->prev) {
-                        m->last = n->prev;
-                        m->next = MDOC_NEXT_SIBLING;
+                        mdoc->last = n->prev;
+                        mdoc->next = MDOC_NEXT_SIBLING;
                 } else {
-                        m->last = n->parent;
-                        m->next = MDOC_NEXT_CHILD;
+                        mdoc->last = n->parent;
+                        mdoc->next = MDOC_NEXT_CHILD;
                 }
         }
 
-        if (m && m->first == n)
-                m->first = NULL;
+        if (mdoc && mdoc->first == n)
+                mdoc->first = NULL;
 }
 
 
 void
-mdoc_node_delete(struct mdoc *m, struct mdoc_node *p)
+mdoc_node_delete(struct mdoc *mdoc, struct mdoc_node *p)
 {
 
         while (p->child) {
                 assert(p->nchild);
-                mdoc_node_delete(m, p->child);
+                mdoc_node_delete(mdoc, p->child);
         }
         assert(0 == p->nchild);
 
-        mdoc_node_unlink(m, p);
+        mdoc_node_unlink(mdoc, p);
         mdoc_node_free(p);
 }
 
+int
+mdoc_node_relink(struct mdoc *mdoc, struct mdoc_node *p)
+{
+
+        mdoc_node_unlink(mdoc, p);
+        return(node_append(mdoc, p));
+}
+
 #if 0
 /*
  * Pre-treat a text line.
  * Text lines can consist of equations, which must be handled apart from
  * the regular text.

@@ -656,24 +684,24 @@
  * equations embedded in it.
  * This must handle multiple equations AND equations that do not end at
  * the end-of-line, i.e., will re-enter in the next roff parse.
  */
 static int
-mdoc_preptext(struct mdoc *m, int line, char *buf, int offs)
+mdoc_preptext(struct mdoc *mdoc, int line, char *buf, int offs)
 {
         char            *start, *end;
         char             delim;
 
         while ('\0' != buf[offs]) {
                 /* Mark starting position if eqn is set. */
                 start = NULL;
-                if ('\0' != (delim = roff_eqndelim(m->roff)))
+                if ('\0' != (delim = roff_eqndelim(mdoc->roff)))
                         if (NULL != (start = strchr(buf + offs, delim)))
                                 *start++ = '\0';
 
                 /* Parse text as normal. */
-                if ( ! mdoc_ptext(m, line, buf, offs))
+                if ( ! mdoc_ptext(mdoc, line, buf, offs))
                         return(0);
 
                 /* Continue only if an equation exists. */
                 if (NULL == start)
                         break;

@@ -686,15 +714,15 @@
                         while (' ' == *end)
                                 end++;
                 }
 
                 /* Parse the equation itself. */
-                roff_openeqn(m->roff, NULL, line, offs, buf);
+                roff_openeqn(mdoc->roff, NULL, line, offs, buf);
 
                 /* Process a finished equation? */
-                if (roff_closeeqn(m->roff))
-                        if ( ! mdoc_addeqn(m, roff_eqn(m->roff)))
+                if (roff_closeeqn(mdoc->roff))
+                        if ( ! mdoc_addeqn(mdoc, roff_eqn(mdoc->roff)))
                                 return(0);
                 offs += (end - (buf + offs));
         } 
 
         return(1);

@@ -704,24 +732,24 @@
 /*
  * Parse free-form text, that is, a line that does not begin with the
  * control character.
  */
 static int
-mdoc_ptext(struct mdoc *m, int line, char *buf, int offs)
+mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int offs)
 {
         char             *c, *ws, *end;
         struct mdoc_node *n;
 
         /* No text before an initial macro. */
 
-        if (SEC_NONE == m->lastnamed) {
-                mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT);
+        if (SEC_NONE == mdoc->lastnamed) {
+                mdoc_pmsg(mdoc, line, offs, MANDOCERR_NOTEXT);
                 return(1);
         }
 
-        assert(m->last);
-        n = m->last;
+        assert(mdoc->last);
+        n = mdoc->last;
 
         /*
          * Divert directly to list processing if we're encountering a
          * columnar MDOC_BLOCK with or without a prior MDOC_BLOCK entry
          * (a MDOC_BODY means it's already open, in which case we should

@@ -729,21 +757,21 @@
          */
 
         if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
                         LIST_column == n->norm->Bl.type) {
                 /* `Bl' is open without any children. */
-                m->flags |= MDOC_FREECOL;
-                return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf));
+                mdoc->flags |= MDOC_FREECOL;
+                return(mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf));
         }
 
         if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
                         NULL != n->parent &&
                         MDOC_Bl == n->parent->tok &&
                         LIST_column == n->parent->norm->Bl.type) {
                 /* `Bl' has block-level `It' children. */
-                m->flags |= MDOC_FREECOL;
-                return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf));
+                mdoc->flags |= MDOC_FREECOL;
+                return(mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf));
         }
 
         /*
          * Search for the beginning of unescaped trailing whitespace (ws)
          * and for the first character not to be output (end).

@@ -767,11 +795,11 @@
                                 ws = c;
                         /*
                          * Strip trailing tabs in literal context only;
                          * outside, they affect the next line.
                          */
-                        if (MDOC_LITERAL & m->flags)
+                        if (MDOC_LITERAL & mdoc->flags)
                                 continue;
                         break;
                 case '\\':
                         /* Skip the escaped character, too, if any. */
                         if (c[1])

@@ -784,31 +812,32 @@
                 end = c + 1;
         }
         *end = '\0';
 
         if (ws)
-                mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE);
+                mdoc_pmsg(mdoc, line, (int)(ws-buf), MANDOCERR_EOLNSPACE);
 
-        if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) {
-                mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN);
+        if ('\0' == buf[offs] && ! (MDOC_LITERAL & mdoc->flags)) {
+                mdoc_pmsg(mdoc, line, (int)(c-buf), MANDOCERR_NOBLANKLN);
 
                 /*
                  * Insert a `sp' in the case of a blank line.  Technically,
                  * blank lines aren't allowed, but enough manuals assume this
                  * behaviour that we want to work around it.
                  */
-                if ( ! mdoc_elem_alloc(m, line, offs, MDOC_sp, NULL))
+                if ( ! mdoc_elem_alloc(mdoc, line, offs, MDOC_sp, NULL))
                         return(0);
 
-                m->next = MDOC_NEXT_SIBLING;
-                return(1);
+                mdoc->next = MDOC_NEXT_SIBLING;
+
+                return(mdoc_valid_post(mdoc));
         }
 
-        if ( ! mdoc_word_alloc(m, line, offs, buf+offs))
+        if ( ! mdoc_word_alloc(mdoc, line, offs, buf+offs))
                 return(0);
 
-        if (MDOC_LITERAL & m->flags)
+        if (MDOC_LITERAL & mdoc->flags)
                 return(1);
 
         /*
          * End-of-sentence check.  If the last character is an unescaped
          * EOS character, then flag the node as being the end of a

@@ -816,11 +845,11 @@
          */
 
         assert(buf < end);
 
         if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0))
-                m->last->flags |= MDOC_EOS;
+                mdoc->last->flags |= MDOC_EOS;
 
         return(1);
 }
 
 

@@ -827,21 +856,21 @@
 /*
  * Parse a macro line, that is, a line beginning with the control
  * character.
  */
 static int
-mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs)
+mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int offs)
 {
         enum mdoct        tok;
         int               i, sv;
         char              mac[5];
         struct mdoc_node *n;
 
         /* Empty post-control lines are ignored. */
 
         if ('"' == buf[offs]) {
-                mdoc_pmsg(m, ln, offs, MANDOCERR_BADCOMMENT);
+                mdoc_pmsg(mdoc, ln, offs, MANDOCERR_BADCOMMENT);
                 return(1);
         } else if ('\0' == buf[offs])
                 return(1);
 
         sv = offs;

@@ -859,11 +888,11 @@
         mac[i] = '\0';
 
         tok = (i > 1 || i < 4) ? mdoc_hash_find(mac) : MDOC_MAX;
 
         if (MDOC_MAX == tok) {
-                mandoc_vmsg(MANDOCERR_MACRO, m->parse, 
+                mandoc_vmsg(MANDOCERR_MACRO, mdoc->parse, 
                                 ln, sv, "%s", buf + sv - 1);
                 return(1);
         }
 
         /* Disregard the first trailing tab, if applicable. */

@@ -880,35 +909,35 @@
          * Trailing whitespace.  Note that tabs are allowed to be passed
          * into the parser as "text", so we only warn about spaces here.
          */
 
         if ('\0' == buf[offs] && ' ' == buf[offs - 1])
-                mdoc_pmsg(m, ln, offs - 1, MANDOCERR_EOLNSPACE);
+                mdoc_pmsg(mdoc, ln, offs - 1, MANDOCERR_EOLNSPACE);
 
         /*
          * If an initial macro or a list invocation, divert directly
          * into macro processing.
          */
 
-        if (NULL == m->last || MDOC_It == tok || MDOC_El == tok) {
-                if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf)) 
+        if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) {
+                if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf)) 
                         goto err;
                 return(1);
         }
 
-        n = m->last;
-        assert(m->last);
+        n = mdoc->last;
+        assert(mdoc->last);
 
         /*
          * If the first macro of a `Bl -column', open an `It' block
          * context around the parsed macro.
          */
 
         if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
                         LIST_column == n->norm->Bl.type) {
-                m->flags |= MDOC_FREECOL;
-                if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf))
+                mdoc->flags |= MDOC_FREECOL;
+                if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf))
                         goto err;
                 return(1);
         }
 
         /*

@@ -919,26 +948,26 @@
 
         if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
                         NULL != n->parent &&
                         MDOC_Bl == n->parent->tok &&
                         LIST_column == n->parent->norm->Bl.type) {
-                m->flags |= MDOC_FREECOL;
-                if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) 
+                mdoc->flags |= MDOC_FREECOL;
+                if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf)) 
                         goto err;
                 return(1);
         }
 
         /* Normal processing of a macro. */
 
-        if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf)) 
+        if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf)) 
                 goto err;
 
         return(1);
 
 err:    /* Error out. */
 
-        m->flags |= MDOC_HALT;
+        mdoc->flags |= MDOC_HALT;
         return(0);
 }
 
 enum mdelim
 mdoc_isdelim(const char *p)

@@ -978,10 +1007,10 @@
         if ('\\' != p[0])
                 return(DELIM_NONE);
 
         if (0 == strcmp(p + 1, "."))
                 return(DELIM_CLOSE);
-        if (0 == strcmp(p + 1, "*(Ba"))
+        if (0 == strcmp(p + 1, "fR|\\fP"))
                 return(DELIM_MIDDLE);
 
         return(DELIM_NONE);
 }