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

@@ -1,8 +1,8 @@
-/*      $Id: mdoc_man.c,v 1.9 2011/10/24 21:47:59 schwarze Exp $ */
+/*      $Id: mdoc_man.c,v 1.57 2013/12/25 22:00:45 schwarze Exp $ */
 /*
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 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.
  *

@@ -16,27 +16,23 @@
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
 
 #include "mandoc.h"
+#include "out.h"
 #include "man.h"
 #include "mdoc.h"
 #include "main.h"
 
-#define DECL_ARGS const struct mdoc_meta *m, \
-                  const struct mdoc_node *n, \
-                  struct mman *mm
+#define DECL_ARGS const struct mdoc_meta *meta, \
+                  const struct mdoc_node *n
 
-struct  mman {
-        int               need_space; /* next word needs prior ws */
-        int               need_nl; /* next word needs prior nl */
-};
-
 struct  manact {
         int             (*cond)(DECL_ARGS); /* DON'T run actions */
         int             (*pre)(DECL_ARGS); /* pre-node action */
         void            (*post)(DECL_ARGS); /* post-node action */
         const char       *prefix; /* pre-node string constant */

@@ -43,33 +39,78 @@
         const char       *suffix; /* post-node string constant */
 };
 
 static  int       cond_body(DECL_ARGS);
 static  int       cond_head(DECL_ARGS);
+static  void      font_push(char);
+static  void      font_pop(void);
+static  void      mid_it(void);
+static  void      post__t(DECL_ARGS);
 static  void      post_bd(DECL_ARGS);
+static  void      post_bf(DECL_ARGS);
+static  void      post_bk(DECL_ARGS);
+static  void      post_bl(DECL_ARGS);
 static  void      post_dl(DECL_ARGS);
 static  void      post_enc(DECL_ARGS);
+static  void      post_eo(DECL_ARGS);
+static  void      post_fa(DECL_ARGS);
+static  void      post_fd(DECL_ARGS);
+static  void      post_fl(DECL_ARGS);
+static  void      post_fn(DECL_ARGS);
+static  void      post_fo(DECL_ARGS);
+static  void      post_font(DECL_ARGS);
+static  void      post_in(DECL_ARGS);
+static  void      post_it(DECL_ARGS);
+static  void      post_lb(DECL_ARGS);
 static  void      post_nm(DECL_ARGS);
 static  void      post_percent(DECL_ARGS);
 static  void      post_pf(DECL_ARGS);
 static  void      post_sect(DECL_ARGS);
 static  void      post_sp(DECL_ARGS);
+static  void      post_vt(DECL_ARGS);
+static  int       pre__t(DECL_ARGS);
+static  int       pre_an(DECL_ARGS);
 static  int       pre_ap(DECL_ARGS);
 static  int       pre_bd(DECL_ARGS);
+static  int       pre_bf(DECL_ARGS);
+static  int       pre_bk(DECL_ARGS);
+static  int       pre_bl(DECL_ARGS);
 static  int       pre_br(DECL_ARGS);
 static  int       pre_bx(DECL_ARGS);
 static  int       pre_dl(DECL_ARGS);
 static  int       pre_enc(DECL_ARGS);
+static  int       pre_em(DECL_ARGS);
+static  int       pre_fa(DECL_ARGS);
+static  int       pre_fd(DECL_ARGS);
+static  int       pre_fl(DECL_ARGS);
+static  int       pre_fn(DECL_ARGS);
+static  int       pre_fo(DECL_ARGS);
+static  int       pre_ft(DECL_ARGS);
+static  int       pre_in(DECL_ARGS);
 static  int       pre_it(DECL_ARGS);
+static  int       pre_lk(DECL_ARGS);
+static  int       pre_li(DECL_ARGS);
 static  int       pre_nm(DECL_ARGS);
+static  int       pre_no(DECL_ARGS);
 static  int       pre_ns(DECL_ARGS);
 static  int       pre_pp(DECL_ARGS);
+static  int       pre_rs(DECL_ARGS);
+static  int       pre_sm(DECL_ARGS);
 static  int       pre_sp(DECL_ARGS);
 static  int       pre_sect(DECL_ARGS);
+static  int       pre_sy(DECL_ARGS);
+static  void      pre_syn(const struct mdoc_node *);
+static  int       pre_vt(DECL_ARGS);
 static  int       pre_ux(DECL_ARGS);
 static  int       pre_xr(DECL_ARGS);
-static  void      print_word(struct mman *, const char *);
+static  void      print_word(const char *);
+static  void      print_line(const char *, int);
+static  void      print_block(const char *, int);
+static  void      print_offs(const char *);
+static  void      print_width(const char *,
+                                const struct mdoc_node *, size_t);
+static  void      print_count(int *);
 static  void      print_node(DECL_ARGS);
 
 static  const struct manact manacts[MDOC_MAX + 1] = {
         { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
         { NULL, NULL, NULL, NULL, NULL }, /* Dd */

@@ -80,174 +121,407 @@
         { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
         { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
         { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
         { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
         { NULL, NULL, NULL, NULL, NULL }, /* Ed */
-        { NULL, NULL, NULL, NULL, NULL }, /* Bl */
+        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
         { NULL, NULL, NULL, NULL, NULL }, /* El */
-        { NULL, pre_it, NULL, NULL, NULL }, /* _It */
-        { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ad */
-        { NULL, NULL, NULL, NULL, NULL }, /* _An */
-        { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */
-        { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cd */
-        { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */
-        { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Dv */
-        { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Er */
-        { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Ev */
+        { NULL, pre_it, post_it, NULL, NULL }, /* It */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
+        { NULL, pre_an, NULL, NULL, NULL }, /* An */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
+        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
+        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
+        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
+        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
+        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
         { NULL, pre_enc, post_enc, "The \\fB",
             "\\fP\nutility exits 0 on success, and >0 if an error occurs."
             }, /* Ex */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Fa */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Fd */
-        { NULL, pre_enc, post_enc, "\\fB-", "\\fP" }, /* Fl */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Fn */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Ft */
-        { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ic */
-        { NULL, NULL, NULL, NULL, NULL }, /* _In */
-        { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Li */
+        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
+        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
+        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
+        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
+        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
+        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
+        { NULL, pre_in, post_in, NULL, NULL }, /* In */
+        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
         { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
         { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
         { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
         { NULL, NULL, NULL, NULL, NULL }, /* Ot */
-        { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Pa */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
         { NULL, pre_enc, post_enc, "The \\fB",
                 "\\fP\nfunction returns the value 0 if successful;\n"
                 "otherwise the value -1 is returned and the global\n"
                 "variable \\fIerrno\\fP is set to indicate the error."
                 }, /* Rv */
         { NULL, NULL, NULL, NULL, NULL }, /* St */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Va */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Vt */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
+        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
         { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
-        { NULL, NULL, post_percent, NULL, NULL }, /* _%A */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%B */
-        { NULL, NULL, post_percent, NULL, NULL }, /* _%D */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%I */
-        { NULL, pre_enc, post_percent, "\\fI", "\\fP" }, /* %J */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%N */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%O */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%P */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%R */
-        { NULL, pre_enc, post_percent, "\"", "\"" }, /* %T */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%V */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
+        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
+        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
+        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
+        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
         { NULL, NULL, NULL, NULL, NULL }, /* Ac */
         { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
         { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
         { NULL, NULL, NULL, NULL, NULL }, /* At */
         { NULL, NULL, NULL, NULL, NULL }, /* Bc */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Bf */
+        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
         { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
         { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
         { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
         { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
         { NULL, NULL, NULL, NULL, NULL }, /* Db */
         { NULL, NULL, NULL, NULL, NULL }, /* Dc */
-        { cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
-        { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Ec */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Ef */
-        { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Em */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Eo */
+        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
+        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
+        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
+        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
+        { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
         { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
-        { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ms */
-        { NULL, NULL, NULL, NULL, NULL }, /* No */
+        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
+        { NULL, pre_no, NULL, NULL, NULL }, /* No */
         { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
         { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
         { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
         { NULL, NULL, NULL, NULL, NULL }, /* Pc */
         { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
         { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
         { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
         { NULL, NULL, NULL, NULL, NULL }, /* Qc */
-        { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
+        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
         { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
         { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
         { NULL, NULL, NULL, NULL, NULL }, /* Re */
-        { cond_body, pre_pp, NULL, NULL, NULL }, /* Rs */
+        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
         { NULL, NULL, NULL, NULL, NULL }, /* Sc */
-        { cond_body, pre_enc, post_enc, "`", "'" }, /* So */
-        { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Sm */
-        { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */
-        { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */
-        { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Tn */
+        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
+        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
+        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
+        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
+        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
         { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Xc */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Xo */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Fo */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Fc */
+        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
+        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
+        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
+        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
         { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
         { NULL, NULL, NULL, NULL, NULL }, /* Oc */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Bk */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Ek */
+        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
+        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
         { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
         { NULL, NULL, NULL, NULL, NULL }, /* Hf */
         { NULL, NULL, NULL, NULL, NULL }, /* Fr */
         { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Lb */
+        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
         { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Lk */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Mt */
+        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
+        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
         { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
         { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
         { NULL, NULL, NULL, NULL, NULL }, /* Brc */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%C */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Es */
-        { NULL, NULL, NULL, NULL, NULL }, /* _En */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
+        { NULL, NULL, NULL, NULL, NULL }, /* Es */
+        { NULL, NULL, NULL, NULL, NULL }, /* En */
         { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%Q */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
         { NULL, pre_br, NULL, NULL, NULL }, /* br */
         { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
-        { NULL, NULL, NULL, NULL, NULL }, /* _%U */
-        { NULL, NULL, NULL, NULL, NULL }, /* _Ta */
+        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
+        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
         { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
 };
 
+static  int             outflags;
+#define MMAN_spc        (1 << 0)  /* blank character before next word */
+#define MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
+#define MMAN_nl         (1 << 2)  /* break man(7) code line */
+#define MMAN_br         (1 << 3)  /* break output line */
+#define MMAN_sp         (1 << 4)  /* insert a blank output line */
+#define MMAN_PP         (1 << 5)  /* reset indentation etc. */
+#define MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
+#define MMAN_Bk         (1 << 7)  /* word keep mode */
+#define MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
+#define MMAN_An_split   (1 << 9)  /* author mode is "split" */
+#define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
+#define MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
+#define MMAN_nbrword    (1 << 12) /* do not break the next word */
+
+#define BL_STACK_MAX    32
+
+static  size_t          Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
+static  int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
+static  int             Bl_stack_len;  /* number of nested Bl blocks */
+static  int             TPremain;  /* characters before tag is full */
+
+static  struct {
+        char    *head;
+        char    *tail;
+        size_t   size;
+}       fontqueue;
+
 static void
-print_word(struct mman *mm, const char *s)
+font_push(char newfont)
 {
 
-        if (mm->need_nl) {
+        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
+                fontqueue.size += 8;
+                fontqueue.head = mandoc_realloc(fontqueue.head,
+                                fontqueue.size);
+        }
+        *fontqueue.tail = newfont;
+        print_word("");
+        printf("\\f");
+        putchar(newfont);
+        outflags &= ~MMAN_spc;
+}
+
+static void
+font_pop(void)
+{
+
+        if (fontqueue.tail > fontqueue.head)
+                fontqueue.tail--;
+        outflags &= ~MMAN_spc;
+        print_word("");
+        printf("\\f");
+        putchar(*fontqueue.tail);
+}
+
+static void
+print_word(const char *s)
+{
+
+        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
                 /* 
                  * If we need a newline, print it now and start afresh.
                  */
+                if (MMAN_PP & outflags) {
+                        if (MMAN_sp & outflags) {
+                                if (MMAN_PD & outflags) {
+                                        printf("\n.PD");
+                                        outflags &= ~MMAN_PD;
+                                }
+                        } else if ( ! (MMAN_PD & outflags)) {
+                                printf("\n.PD 0");
+                                outflags |= MMAN_PD;
+                        }
+                        printf("\n.PP\n");
+                } else if (MMAN_sp & outflags)
+                        printf("\n.sp\n");
+                else if (MMAN_br & outflags)
+                        printf("\n.br\n");
+                else if (MMAN_nl & outflags)
                 putchar('\n');
-                mm->need_space = 0;
-                mm->need_nl = 0;
-        } else if (mm->need_space && '\0' != s[0])
+                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
+                if (1 == TPremain)
+                        printf(".br\n");
+                TPremain = 0;
+        } else if (MMAN_spc & outflags) {
                 /*
-                 * If we need a space, only print it before
-                 * (1) a nonzero length word;
-                 * (2) a word that is non-punctuation; and
-                 * (3) if punctuation, non-terminating puncutation.
+                 * If we need a space, only print it if
+                 * (1) it is forced by `No' or
+                 * (2) what follows is not terminating punctuation or
+                 * (3) what follows is longer than one character.
                  */
-                if (NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1])
+                if (MMAN_spc_force & outflags || '\0' == s[0] ||
+                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
+                        if (MMAN_Bk & outflags &&
+                            ! (MMAN_Bk_susp & outflags))
+                                putchar('\\');
                         putchar(' ');
+                        if (TPremain)
+                                TPremain--;
+                }
+        }
 
         /*
          * Reassign needing space if we're not following opening
          * punctuation.
          */
-        mm->need_space = 
-                ('(' != s[0] && '[' != s[0]) || '\0' != s[1];
+        if (MMAN_Sm & outflags && ('\0' == s[0] ||
+            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
+                outflags |= MMAN_spc;
+        else
+                outflags &= ~MMAN_spc;
+        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
 
         for ( ; *s; s++) {
                 switch (*s) {
                 case (ASCII_NBRSP):
-                        printf("\\~");
+                        printf("\\ ");
                         break;
                 case (ASCII_HYPH):
                         putchar('-');
                         break;
+                case (' '):
+                        if (MMAN_nbrword & outflags) {
+                                printf("\\ ");
+                                break;
+                        }
+                        /* FALLTHROUGH */
                 default:
                         putchar((unsigned char)*s);
                         break;
                 }
+                if (TPremain)
+                        TPremain--;
         }
+        outflags &= ~MMAN_nbrword;
 }
 
+static void
+print_line(const char *s, int newflags)
+{
+
+        outflags &= ~MMAN_br;
+        outflags |= MMAN_nl;
+        print_word(s);
+        outflags |= newflags;
+}
+
+static void
+print_block(const char *s, int newflags)
+{
+
+        outflags &= ~MMAN_PP;
+        if (MMAN_sp & outflags) {
+                outflags &= ~(MMAN_sp | MMAN_br);
+                if (MMAN_PD & outflags) {
+                        print_line(".PD", 0);
+                        outflags &= ~MMAN_PD;
+                }
+        } else if (! (MMAN_PD & outflags))
+                print_line(".PD 0", MMAN_PD);
+        outflags |= MMAN_nl;
+        print_word(s);
+        outflags |= MMAN_Bk_susp | newflags;
+}
+
+static void
+print_offs(const char *v)
+{
+        char              buf[24];
+        struct roffsu     su;
+        size_t            sz;
+
+        print_line(".RS", MMAN_Bk_susp);
+
+        /* Convert v into a number (of characters). */
+        if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
+                sz = 0;
+        else if (0 == strcmp(v, "indent"))
+                sz = 6;
+        else if (0 == strcmp(v, "indent-two"))
+                sz = 12;
+        else if (a2roffsu(v, &su, SCALE_MAX)) {
+                if (SCALE_EN == su.unit)
+                        sz = su.scale;
+                else {
+                        /*
+                         * XXX
+                         * If we are inside an enclosing list,
+                         * there is no easy way to add the two
+                         * indentations because they are provided
+                         * in terms of different units.
+                         */
+                        print_word(v);
+                        outflags |= MMAN_nl;
+                        return;
+                }
+        } else
+                sz = strlen(v);
+
+        /*
+         * We are inside an enclosing list.
+         * Add the two indentations.
+         */
+        if (Bl_stack_len)
+                sz += Bl_stack[Bl_stack_len - 1];
+
+        snprintf(buf, sizeof(buf), "%zun", sz);
+        print_word(buf);
+        outflags |= MMAN_nl;
+}
+
+/*
+ * Set up the indentation for a list item; used from pre_it().
+ */
 void
+print_width(const char *v, const struct mdoc_node *child, size_t defsz)
+{
+        char              buf[24];
+        struct roffsu     su;
+        size_t            sz, chsz;
+        int               numeric, remain;
+
+        numeric = 1;
+        remain = 0;
+
+        /* Convert v into a number (of characters). */
+        if (NULL == v)
+                sz = defsz;
+        else if (a2roffsu(v, &su, SCALE_MAX)) {
+                if (SCALE_EN == su.unit)
+                        sz = su.scale;
+                else {
+                        sz = 0;
+                        numeric = 0;
+                }
+        } else
+                sz = strlen(v);
+
+        /* XXX Rough estimation, might have multiple parts. */
+        chsz = (NULL != child && MDOC_TEXT == child->type) ?
+                        strlen(child->string) : 0;
+
+        /* Maybe we are inside an enclosing list? */
+        mid_it();
+
+        /*
+         * Save our own indentation,
+         * such that child lists can use it.
+         */
+        Bl_stack[Bl_stack_len++] = sz + 2;
+
+        /* Set up the current list. */
+        if (defsz && chsz > sz)
+                print_block(".HP", 0);
+        else {
+                print_block(".TP", 0);
+                remain = sz + 2;
+        }
+        if (numeric) {
+                snprintf(buf, sizeof(buf), "%zun", sz + 2);
+                print_word(buf);
+        } else
+                print_word(v);
+        TPremain = remain;
+}
+
+void
+print_count(int *count)
+{
+        char              buf[12];
+
+        snprintf(buf, sizeof(buf), "%d.", ++*count);
+        print_word(buf);
+}
+
+void
 man_man(void *arg, const struct man *man)
 {
 
         /*
          * Dump the keep buffer.

@@ -259,41 +533,46 @@
 }
 
 void
 man_mdoc(void *arg, const struct mdoc *mdoc)
 {
-        const struct mdoc_meta *m;
+        const struct mdoc_meta *meta;
         const struct mdoc_node *n;
-        struct mman             mm;
 
-        m = mdoc_meta(mdoc);
+        meta = mdoc_meta(mdoc);
         n = mdoc_node(mdoc);
 
-        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"",
-                        m->title, m->msec, m->date, m->os, m->vol);
+        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
+                        meta->title, meta->msec, meta->date,
+                        meta->os, meta->vol);
 
-        memset(&mm, 0, sizeof(struct mman));
+        /* Disable hyphenation and if nroff, disable justification. */
+        printf(".nh\n.if n .ad l");
 
-        mm.need_nl = 1;
-        print_node(m, n, &mm);
+        outflags = MMAN_nl | MMAN_Sm;
+        if (0 == fontqueue.size) {
+                fontqueue.size = 8;
+                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
+                *fontqueue.tail = 'R';
+        }
+        print_node(meta, n);
         putchar('\n');
 }
 
 static void
 print_node(DECL_ARGS)
 {
-        const struct mdoc_node  *prev, *sub;
+        const struct mdoc_node  *sub;
         const struct manact     *act;
         int                      cond, do_sub;
         
         /*
          * Break the line if we were parsed subsequent the current node.
          * This makes the page structure be more consistent.
          */
-        prev = n->prev ? n->prev : n->parent;
-        if (prev && prev->line < n->line)
-                mm->need_nl = 1;
+        if (MMAN_spc & outflags && MDOC_LINE & n->flags)
+                outflags |= MMAN_nl;
 
         act = NULL;
         cond = 0;
         do_sub = 1;
 

@@ -300,41 +579,42 @@
         if (MDOC_TEXT == n->type) {
                 /*
                  * Make sure that we don't happen to start with a
                  * control character at the start of a line.
                  */
-                if (mm->need_nl && ('.' == *n->string || 
+                if (MMAN_nl & outflags && ('.' == *n->string || 
                                         '\'' == *n->string)) {
-                        print_word(mm, "\\&");
-                        mm->need_space = 0;
+                        print_word("");
+                        printf("\\&");
+                        outflags &= ~MMAN_spc;
                 }
-                print_word(mm, n->string);
+                print_word(n->string);
         } else {
                 /*
                  * Conditionally run the pre-node action handler for a
                  * node.
                  */
                 act = manacts + n->tok;
-                cond = NULL == act->cond || (*act->cond)(m, n, mm);
+                cond = NULL == act->cond || (*act->cond)(meta, n);
                 if (cond && act->pre)
-                        do_sub = (*act->pre)(m, n, mm);
+                        do_sub = (*act->pre)(meta, n);
         }
 
         /* 
          * Conditionally run all child nodes.
          * Note that this iterates over children instead of using
          * recursion.  This prevents unnecessary depth in the stack.
          */
         if (do_sub)
                 for (sub = n->child; sub; sub = sub->next)
-                        print_node(m, sub, mm);
+                        print_node(meta, sub);
 
         /*
          * Lastly, conditionally run the post-node handler.
          */
         if (cond && act->post)
-                (*act->post)(m, n, mm);
+                (*act->post)(meta, n);
 }
 
 static int
 cond_head(DECL_ARGS)
 {

@@ -347,74 +627,102 @@
 {
 
         return(MDOC_BODY == n->type);
 }
 
-/*
- * Output a font encoding before a node, e.g., \fR.
- * This obviously has no trailing space.
- */
 static int
 pre_enc(DECL_ARGS)
 {
         const char      *prefix;
 
         prefix = manacts[n->tok].prefix;
         if (NULL == prefix)
                 return(1);
-        print_word(mm, prefix);
-        mm->need_space = 0;
+        print_word(prefix);
+        outflags &= ~MMAN_spc;
         return(1);
 }
 
-/*
- * Output a font encoding subsequent a node, e.g., \fP.
- */
 static void
 post_enc(DECL_ARGS)
 {
         const char *suffix;
 
         suffix = manacts[n->tok].suffix;
         if (NULL == suffix)
                 return;
-        mm->need_space = 0;
-        print_word(mm, suffix);
+        outflags &= ~MMAN_spc;
+        print_word(suffix);
 }
 
-/*
- * Used in listings (percent = %A, e.g.).
- * FIXME: this is incomplete. 
- * It doesn't print a nice ", and" for lists.
- */
 static void
+post_font(DECL_ARGS)
+{
+
+        font_pop();
+}
+
+static void
 post_percent(DECL_ARGS)
 {
 
-        post_enc(m, n, mm);
-        if (n->next)
-                print_word(mm, ",");
-        else {
-                print_word(mm, ".");
-                mm->need_nl = 1;
+        if (pre_em == manacts[n->tok].pre)
+                font_pop();
+        if (n->next) {
+                print_word(",");
+                if (n->prev &&  n->prev->tok == n->tok &&
+                                n->next->tok == n->tok)
+                        print_word("and");
+        } else {
+                print_word(".");
+                outflags |= MMAN_nl;
         }
 }
 
+static int
+pre__t(DECL_ARGS)
+{
+
+        if (n->parent && MDOC_Rs == n->parent->tok &&
+                        n->parent->norm->Rs.quote_T) {
+                print_word("");
+                putchar('\"');
+                outflags &= ~MMAN_spc;
+        } else
+                font_push('I');
+        return(1);
+}
+
+static void
+post__t(DECL_ARGS)
+{
+
+        if (n->parent && MDOC_Rs == n->parent->tok &&
+                        n->parent->norm->Rs.quote_T) {
+                outflags &= ~MMAN_spc;
+                print_word("");
+                putchar('\"');
+        } else
+                font_pop();
+        post_percent(meta, n);
+}
+
 /*
  * Print before a section header.
  */
 static int
 pre_sect(DECL_ARGS)
 {
 
-        if (MDOC_HEAD != n->type)
+        if (MDOC_HEAD == n->type) {
+                outflags |= MMAN_sp;
+                print_block(manacts[n->tok].prefix, 0);
+                print_word("");
+                putchar('\"');
+                outflags &= ~MMAN_spc;
+        }
                 return(1);
-        mm->need_nl = 1;
-        print_word(mm, manacts[n->tok].prefix);
-        print_word(mm, "\"");
-        mm->need_space = 0;
-        return(1);
 }
 
 /*
  * Print subsequent a section header.
  */

@@ -422,216 +730,869 @@
 post_sect(DECL_ARGS)
 {
 
         if (MDOC_HEAD != n->type)
                 return;
-        mm->need_space = 0;
-        print_word(mm, "\"");
-        mm->need_nl = 1;
+        outflags &= ~MMAN_spc;
+        print_word("");
+        putchar('\"');
+        outflags |= MMAN_nl;
+        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
+                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
 }
 
+/* See mdoc_term.c, synopsis_pre() for comments. */
+static void
+pre_syn(const struct mdoc_node *n)
+{
+
+        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
+                return;
+
+        if (n->prev->tok == n->tok &&
+                        MDOC_Ft != n->tok &&
+                        MDOC_Fo != n->tok &&
+                        MDOC_Fn != n->tok) {
+                outflags |= MMAN_br;
+                return;
+        }
+
+        switch (n->prev->tok) {
+        case (MDOC_Fd):
+                /* FALLTHROUGH */
+        case (MDOC_Fn):
+                /* FALLTHROUGH */
+        case (MDOC_Fo):
+                /* FALLTHROUGH */
+        case (MDOC_In):
+                /* FALLTHROUGH */
+        case (MDOC_Vt):
+                outflags |= MMAN_sp;
+                break;
+        case (MDOC_Ft):
+                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
+                        outflags |= MMAN_sp;
+                        break;
+                }
+                /* FALLTHROUGH */
+        default:
+                outflags |= MMAN_br;
+                break;
+        }
+}
+
 static int
+pre_an(DECL_ARGS)
+{
+
+        switch (n->norm->An.auth) {
+        case (AUTH_split):
+                outflags &= ~MMAN_An_nosplit;
+                outflags |= MMAN_An_split;
+                return(0);
+        case (AUTH_nosplit):
+                outflags &= ~MMAN_An_split;
+                outflags |= MMAN_An_nosplit;
+                return(0);
+        default:
+                if (MMAN_An_split & outflags)
+                        outflags |= MMAN_br;
+                else if (SEC_AUTHORS == n->sec &&
+                    ! (MMAN_An_nosplit & outflags))
+                        outflags |= MMAN_An_split;
+                return(1);
+        }
+}
+
+static int
 pre_ap(DECL_ARGS)
 {
 
-        mm->need_space = 0;
-        print_word(mm, "'");
-        mm->need_space = 0;
+        outflags &= ~MMAN_spc;
+        print_word("'");
+        outflags &= ~MMAN_spc;
         return(0);
 }
 
 static int
 pre_bd(DECL_ARGS)
 {
 
+        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
+
         if (DISP_unfilled == n->norm->Bd.type ||
-            DISP_literal  == n->norm->Bd.type) {
-                mm->need_nl = 1;
-                print_word(mm, ".nf");
-        }
-        mm->need_nl = 1;
+            DISP_literal  == n->norm->Bd.type)
+                print_line(".nf", 0);
+        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
+                outflags |= MMAN_sp;
+        print_offs(n->norm->Bd.offs);
         return(1);
 }
 
 static void
 post_bd(DECL_ARGS)
 {
 
+        /* Close out this display. */
+        print_line(".RE", MMAN_nl);
         if (DISP_unfilled == n->norm->Bd.type ||
-            DISP_literal  == n->norm->Bd.type) {
-                mm->need_nl = 1;
-                print_word(mm, ".fi");
+            DISP_literal  == n->norm->Bd.type)
+                print_line(".fi", MMAN_nl);
+
+        /* Maybe we are inside an enclosing list? */
+        if (NULL != n->parent->next)
+                mid_it();
+}
+
+static int
+pre_bf(DECL_ARGS)
+{
+
+        switch (n->type) {
+        case (MDOC_BLOCK):
+                return(1);
+        case (MDOC_BODY):
+                break;
+        default:
+                return(0);
         }
-        mm->need_nl = 1;
+        switch (n->norm->Bf.font) {
+        case (FONT_Em):
+                font_push('I');
+                break;
+        case (FONT_Sy):
+                font_push('B');
+                break;
+        default:
+                font_push('R');
+                break;
+        }
+        return(1);
 }
 
+static void
+post_bf(DECL_ARGS)
+{
+
+        if (MDOC_BODY == n->type)
+                font_pop();
+}
+
 static int
+pre_bk(DECL_ARGS)
+{
+
+        switch (n->type) {
+        case (MDOC_BLOCK):
+                return(1);
+        case (MDOC_BODY):
+                outflags |= MMAN_Bk;
+                return(1);
+        default:
+                return(0);
+        }
+}
+
+static void
+post_bk(DECL_ARGS)
+{
+
+        if (MDOC_BODY == n->type)
+                outflags &= ~MMAN_Bk;
+}
+
+static int
+pre_bl(DECL_ARGS)
+{
+        size_t           icol;
+
+        /*
+         * print_offs() will increase the -offset to account for
+         * a possible enclosing .It, but any enclosed .It blocks
+         * just nest and do not add up their indentation.
+         */
+        if (n->norm->Bl.offs) {
+                print_offs(n->norm->Bl.offs);
+                Bl_stack[Bl_stack_len++] = 0;
+        }
+
+        switch (n->norm->Bl.type) {
+        case (LIST_enum):
+                n->norm->Bl.count = 0;
+                return(1);
+        case (LIST_column):
+                break;
+        default:
+                return(1);
+        }
+
+        print_line(".TS", MMAN_nl);
+        for (icol = 0; icol < n->norm->Bl.ncols; icol++)
+                print_word("l");
+        print_word(".");
+        outflags |= MMAN_nl;
+        return(1);
+}
+
+static void
+post_bl(DECL_ARGS)
+{
+
+        switch (n->norm->Bl.type) {
+        case (LIST_column):
+                print_line(".TE", 0);
+                break;
+        case (LIST_enum):
+                n->norm->Bl.count = 0;
+                break;
+        default:
+                break;
+        }
+
+        if (n->norm->Bl.offs) {
+                print_line(".RE", MMAN_nl);
+                assert(Bl_stack_len);
+                Bl_stack_len--;
+                assert(0 == Bl_stack[Bl_stack_len]);
+        } else {
+                outflags |= MMAN_PP | MMAN_nl;
+                outflags &= ~(MMAN_sp | MMAN_br);
+        }
+
+        /* Maybe we are inside an enclosing list? */
+        if (NULL != n->parent->next)
+                mid_it();
+
+}
+
+static int
 pre_br(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
-        print_word(mm, ".br");
-        mm->need_nl = 1;
+        outflags |= MMAN_br;
         return(0);
 }
 
 static int
 pre_bx(DECL_ARGS)
 {
 
         n = n->child;
         if (n) {
-                print_word(mm, n->string);
-                mm->need_space = 0;
+                print_word(n->string);
+                outflags &= ~MMAN_spc;
                 n = n->next;
         }
-        print_word(mm, "BSD");
+        print_word("BSD");
         if (NULL == n)
                 return(0);
-        mm->need_space = 0;
-        print_word(mm, "-");
-        mm->need_space = 0;
-        print_word(mm, n->string);
+        outflags &= ~MMAN_spc;
+        print_word("-");
+        outflags &= ~MMAN_spc;
+        print_word(n->string);
         return(0);
 }
 
 static int
 pre_dl(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
-        print_word(mm, ".RS 6n");
-        mm->need_nl = 1;
+        print_offs("6n");
         return(1);
 }
 
 static void
 post_dl(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
-        print_word(mm, ".RE");
-        mm->need_nl = 1;
+        print_line(".RE", MMAN_nl);
+
+        /* Maybe we are inside an enclosing list? */
+        if (NULL != n->parent->next)
+                mid_it();
 }
 
 static int
+pre_em(DECL_ARGS)
+{
+
+        font_push('I');
+        return(1);
+}
+
+static void
+post_eo(DECL_ARGS)
+{
+
+        if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
+                outflags &= ~MMAN_spc;
+}
+
+static int
+pre_fa(DECL_ARGS)
+{
+        int      am_Fa;
+
+        am_Fa = MDOC_Fa == n->tok;
+
+        if (am_Fa)
+                n = n->child;
+
+        while (NULL != n) {
+                font_push('I');
+                if (am_Fa || MDOC_SYNPRETTY & n->flags)
+                        outflags |= MMAN_nbrword;
+                print_node(meta, n);
+                font_pop();
+                if (NULL != (n = n->next))
+                        print_word(",");
+        }
+        return(0);
+}
+
+static void
+post_fa(DECL_ARGS)
+{
+
+        if (NULL != n->next && MDOC_Fa == n->next->tok)
+                print_word(",");
+}
+
+static int
+pre_fd(DECL_ARGS)
+{
+
+        pre_syn(n);
+        font_push('B');
+        return(1);
+}
+
+static void
+post_fd(DECL_ARGS)
+{
+
+        font_pop();
+        outflags |= MMAN_br;
+}
+
+static int
+pre_fl(DECL_ARGS)
+{
+
+        font_push('B');
+        print_word("\\-");
+        outflags &= ~MMAN_spc;
+        return(1);
+}
+
+static void
+post_fl(DECL_ARGS)
+{
+
+        font_pop();
+        if (0 == n->nchild && NULL != n->next &&
+                        n->next->line == n->line)
+                outflags &= ~MMAN_spc;
+}
+
+static int
+pre_fn(DECL_ARGS)
+{
+
+        pre_syn(n);
+
+        n = n->child;
+        if (NULL == n)
+                return(0);
+
+        if (MDOC_SYNPRETTY & n->flags)
+                print_block(".HP 4n", MMAN_nl);
+
+        font_push('B');
+        print_node(meta, n);
+        font_pop();
+        outflags &= ~MMAN_spc;
+        print_word("(");
+        outflags &= ~MMAN_spc;
+
+        n = n->next;
+        if (NULL != n)
+                pre_fa(meta, n);
+        return(0);
+}
+
+static void
+post_fn(DECL_ARGS)
+{
+
+        print_word(")");
+        if (MDOC_SYNPRETTY & n->flags) {
+                print_word(";");
+                outflags |= MMAN_PP;
+        }
+}
+
+static int
+pre_fo(DECL_ARGS)
+{
+
+        switch (n->type) {
+        case (MDOC_BLOCK):
+                pre_syn(n);
+                break;
+        case (MDOC_HEAD):
+                if (MDOC_SYNPRETTY & n->flags)
+                        print_block(".HP 4n", MMAN_nl);
+                font_push('B');
+                break;
+        case (MDOC_BODY):
+                outflags &= ~MMAN_spc;
+                print_word("(");
+                outflags &= ~MMAN_spc;
+                break;
+        default:
+                break;
+        }
+        return(1);
+}
+
+static void
+post_fo(DECL_ARGS)
+{
+
+        switch (n->type) {
+        case (MDOC_HEAD):
+                font_pop();
+                break;
+        case (MDOC_BODY):
+                post_fn(meta, n);
+                break;
+        default:
+                break;
+        }
+}
+
+static int
+pre_ft(DECL_ARGS)
+{
+
+        pre_syn(n);
+        font_push('I');
+        return(1);
+}
+
+static int
+pre_in(DECL_ARGS)
+{
+
+        if (MDOC_SYNPRETTY & n->flags) {
+                pre_syn(n);
+                font_push('B');
+                print_word("#include <");
+                outflags &= ~MMAN_spc;
+        } else {
+                print_word("<");
+                outflags &= ~MMAN_spc;
+                font_push('I');
+        }
+        return(1);
+}
+
+static void
+post_in(DECL_ARGS)
+{
+
+        if (MDOC_SYNPRETTY & n->flags) {
+                outflags &= ~MMAN_spc;
+                print_word(">");
+                font_pop();
+                outflags |= MMAN_br;
+        } else {
+                font_pop();
+                outflags &= ~MMAN_spc;
+                print_word(">");
+        }
+}
+
+static int
 pre_it(DECL_ARGS)
 {
         const struct mdoc_node *bln;
 
-        if (MDOC_HEAD == n->type) {
-                mm->need_nl = 1;
-                print_word(mm, ".TP");
-                bln = n->parent->parent->prev;
+        switch (n->type) {
+        case (MDOC_HEAD):
+                outflags |= MMAN_PP | MMAN_nl;
+                bln = n->parent->parent;
+                if (0 == bln->norm->Bl.comp ||
+                    (NULL == n->parent->prev &&
+                     NULL == bln->parent->prev))
+                        outflags |= MMAN_sp;
+                outflags &= ~MMAN_br;
                 switch (bln->norm->Bl.type) {
+                case (LIST_item):
+                        return(0);
+                case (LIST_inset):
+                        /* FALLTHROUGH */
+                case (LIST_diag):
+                        /* FALLTHROUGH */
+                case (LIST_ohang):
+                        if (bln->norm->Bl.type == LIST_diag)
+                                print_line(".B \"", 0);
+                        else
+                                print_line(".R \"", 0);
+                        outflags &= ~MMAN_spc;
+                        return(1);
                 case (LIST_bullet):
-                        print_word(mm, "4n");
-                        mm->need_nl = 1;
-                        print_word(mm, "\\fBo\\fP");
+                        /* FALLTHROUGH */
+                case (LIST_dash):
+                        /* FALLTHROUGH */
+                case (LIST_hyphen):
+                        print_width(bln->norm->Bl.width, NULL, 0);
+                        TPremain = 0;
+                        outflags |= MMAN_nl;
+                        font_push('B');
+                        if (LIST_bullet == bln->norm->Bl.type)
+                                print_word("o");
+                        else
+                                print_word("-");
+                        font_pop();
                         break;
+                case (LIST_enum):
+                        print_width(bln->norm->Bl.width, NULL, 0);
+                        TPremain = 0;
+                        outflags |= MMAN_nl;
+                        print_count(&bln->norm->Bl.count);
+                        break;
+                case (LIST_hang):
+                        print_width(bln->norm->Bl.width, n->child, 6);
+                        TPremain = 0;
+                        break;
+                case (LIST_tag):
+                        print_width(bln->norm->Bl.width, n->child, 0);
+                        putchar('\n');
+                        outflags &= ~MMAN_spc;
+                        return(1);
                 default:
-                        if (bln->norm->Bl.width)
-                                print_word(mm, bln->norm->Bl.width);
+                        return(1);
+                }
+                outflags |= MMAN_nl;
+        default:
                         break;
                 }
-                mm->need_nl = 1;
+        return(1);
+}
+
+/*
+ * This function is called after closing out an indented block.
+ * If we are inside an enclosing list, restore its indentation.
+ */
+static void
+mid_it(void)
+{
+        char             buf[24];
+
+        /* Nothing to do outside a list. */
+        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
+                return;
+
+        /* The indentation has already been set up. */
+        if (Bl_stack_post[Bl_stack_len - 1])
+                return;
+
+        /* Restore the indentation of the enclosing list. */
+        print_line(".RS", MMAN_Bk_susp);
+        snprintf(buf, sizeof(buf), "%zun", Bl_stack[Bl_stack_len - 1]);
+        print_word(buf);
+
+        /* Remeber to close out this .RS block later. */
+        Bl_stack_post[Bl_stack_len - 1] = 1;
+}
+
+static void
+post_it(DECL_ARGS)
+{
+        const struct mdoc_node *bln;
+
+        bln = n->parent->parent;
+
+        switch (n->type) {
+        case (MDOC_HEAD):
+                switch (bln->norm->Bl.type) {
+                case (LIST_diag):
+                        outflags &= ~MMAN_spc;
+                        print_word("\\ ");
+                        break;
+                case (LIST_ohang):
+                        outflags |= MMAN_br;
+                        break;
+                default:
+                        break;
         }
+                break;
+        case (MDOC_BODY):
+                switch (bln->norm->Bl.type) {
+                case (LIST_bullet):
+                        /* FALLTHROUGH */
+                case (LIST_dash):
+                        /* FALLTHROUGH */
+                case (LIST_hyphen):
+                        /* FALLTHROUGH */
+                case (LIST_enum):
+                        /* FALLTHROUGH */
+                case (LIST_hang):
+                        /* FALLTHROUGH */
+                case (LIST_tag):
+                        assert(Bl_stack_len);
+                        Bl_stack[--Bl_stack_len] = 0;
+
+                        /*
+                         * Our indentation had to be restored
+                         * after a child display or child list.
+                         * Close out that indentation block now.
+                         */
+                        if (Bl_stack_post[Bl_stack_len]) {
+                                print_line(".RE", MMAN_nl);
+                                Bl_stack_post[Bl_stack_len] = 0;
+                        }
+                        break;
+                case (LIST_column):
+                        if (NULL != n->next) {
+                                putchar('\t');
+                                outflags &= ~MMAN_spc;
+                        }
+                        break;
+                default:
+                        break;
+                }
+                break;
+        default:
+                break;
+        }
+}
+
+static void
+post_lb(DECL_ARGS)
+{
+
+        if (SEC_LIBRARY == n->sec)
+                outflags |= MMAN_br;
+}
+
+static int
+pre_lk(DECL_ARGS)
+{
+        const struct mdoc_node *link, *descr;
+
+        if (NULL == (link = n->child))
+                return(0);
+
+        if (NULL != (descr = link->next)) {
+                font_push('I');
+                while (NULL != descr) {
+                        print_word(descr->string);
+                        descr = descr->next;
+                }
+                print_word(":");
+                font_pop();
+        }
+
+        font_push('B');
+        print_word(link->string);
+        font_pop();
+        return(0);
+}
+
+static int
+pre_li(DECL_ARGS)
+{
+
+        font_push('R');
         return(1);
 }
 
 static int
 pre_nm(DECL_ARGS)
 {
+        char    *name;
 
+        if (MDOC_BLOCK == n->type) {
+                outflags |= MMAN_Bk;
+                pre_syn(n);
+        }
         if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
                 return(1);
-        print_word(mm, "\\fB");
-        mm->need_space = 0;
+        name = n->child ? n->child->string : meta->name;
+        if (NULL == name)
+                return(0);
+        if (MDOC_HEAD == n->type) {
+                if (NULL == n->parent->prev)
+                        outflags |= MMAN_sp;
+                print_block(".HP", 0);
+                printf(" %zun", strlen(name) + 1);
+                outflags |= MMAN_nl;
+        }
+        font_push('B');
         if (NULL == n->child)
-                print_word(mm, m->name);
+                print_word(meta->name);
         return(1);
 }
 
 static void
 post_nm(DECL_ARGS)
 {
 
-        if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
-                return;
-        mm->need_space = 0;
-        print_word(mm, "\\fP");
+        switch (n->type) {
+        case (MDOC_BLOCK):
+                outflags &= ~MMAN_Bk;
+                break;
+        case (MDOC_HEAD):
+                /* FALLTHROUGH */
+        case (MDOC_ELEM):
+                font_pop();
+                break;
+        default:
+                break;
+        }
 }
 
 static int
+pre_no(DECL_ARGS)
+{
+
+        outflags |= MMAN_spc_force;
+        return(1);
+}
+
+static int
 pre_ns(DECL_ARGS)
 {
 
-        mm->need_space = 0;
+        outflags &= ~MMAN_spc;
         return(0);
 }
 
 static void
 post_pf(DECL_ARGS)
 {
 
-        mm->need_space = 0;
+        outflags &= ~MMAN_spc;
 }
 
 static int
 pre_pp(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
-        if (MDOC_It == n->parent->tok)
-                print_word(mm, ".sp");
-        else
-                print_word(mm, ".PP");
-        mm->need_nl = 1;
+        if (MDOC_It != n->parent->tok)
+                outflags |= MMAN_PP;
+        outflags |= MMAN_sp | MMAN_nl;
+        outflags &= ~MMAN_br;
+        return(0);
+}
+
+static int
+pre_rs(DECL_ARGS)
+{
+
+        if (SEC_SEE_ALSO == n->sec) {
+                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
+                outflags &= ~MMAN_br;
+        }
         return(1);
 }
 
 static int
+pre_sm(DECL_ARGS)
+{
+
+        assert(n->child && MDOC_TEXT == n->child->type);
+        if (0 == strcmp("on", n->child->string))
+                outflags |= MMAN_Sm | MMAN_spc;
+        else
+                outflags &= ~MMAN_Sm;
+        return(0);
+}
+
+static int
 pre_sp(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
-        print_word(mm, ".sp");
+        if (MMAN_PP & outflags) {
+                outflags &= ~MMAN_PP;
+                print_line(".PP", 0);
+        } else
+                print_line(".sp", 0);
         return(1);
 }
 
 static void
 post_sp(DECL_ARGS)
 {
 
-        mm->need_nl = 1;
+        outflags |= MMAN_nl;
 }
 
 static int
+pre_sy(DECL_ARGS)
+{
+
+        font_push('B');
+        return(1);
+}
+
+static int
+pre_vt(DECL_ARGS)
+{
+
+        if (MDOC_SYNPRETTY & n->flags) {
+                switch (n->type) {
+                case (MDOC_BLOCK):
+                        pre_syn(n);
+                        return(1);
+                case (MDOC_BODY):
+                        break;
+                default:
+                        return(0);
+                }
+        }
+        font_push('I');
+        return(1);
+}
+
+static void
+post_vt(DECL_ARGS)
+{
+
+        if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
+                return;
+        font_pop();
+}
+
+static int
 pre_xr(DECL_ARGS)
 {
 
         n = n->child;
         if (NULL == n)
                 return(0);
-        print_node(m, n, mm);
+        print_node(meta, n);
         n = n->next;
         if (NULL == n)
                 return(0);
-        mm->need_space = 0;
-        print_word(mm, "(");
-        print_node(m, n, mm);
-        print_word(mm, ")");
+        outflags &= ~MMAN_spc;
+        print_word("(");
+        print_node(meta, n);
+        print_word(")");
         return(0);
 }
 
 static int
 pre_ux(DECL_ARGS)
 {
 
-        print_word(mm, manacts[n->tok].prefix);
+        print_word(manacts[n->tok].prefix);
         if (NULL == n->child)
                 return(0);
-        mm->need_space = 0;
-        print_word(mm, "\\~");
-        mm->need_space = 0;
+        outflags &= ~MMAN_spc;
+        print_word("\\ ");
+        outflags &= ~MMAN_spc;
         return(1);
 }