warning about unknown .Lb arguments; inspired by mdoclint(1)

[mandoc.git] / mdoc_man.c

diff --git a/mdoc_man.c b/mdoc_man.c
index f21a07baef313d640221755546d89bb424d36eed..5e6283456e00960ae7da7c44997aa2f0548308c5 100644 (file)
--- a/mdoc_man.c
+++ b/mdoc_man.c
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_man.c,v 1.2 2011/09/20 13:47:55 schwarze Exp $ */
+/*     $Id: mdoc_man.c,v 1.118 2017/06/06 15:01:04 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2017 Ingo Schwarze <schwarze@openbsd.org>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -14,271 +14,718 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

+#include "config.h"
+
+#include <sys/types.h>
+
+#include <assert.h>

 #include <stdio.h>
 #include <stdio.h>

+#include <stdlib.h>

 #include <string.h>
 
 #include <string.h>
 

+#include "mandoc_aux.h"

 #include "mandoc.h"
 #include "mandoc.h"

+#include "roff.h"

 #include "mdoc.h"
 #include "mdoc.h"

+#include "man.h"
+#include "out.h"

 #include "main.h"
 
 #include "main.h"
 

-static int       need_space = 0;
-static int       need_nl = 0;
+#define        DECL_ARGS const struct roff_meta *meta, struct roff_node *n

 
 

-#define        DECL_ARGS const struct mdoc_meta *m, \
-                 const struct mdoc_node *n
+typedef        int     (*int_fp)(DECL_ARGS);
+typedef        void    (*void_fp)(DECL_ARGS);

 
 struct manact {
 
 struct manact {

-       int             (*cond)(DECL_ARGS);
-       int             (*pre)(DECL_ARGS);
-       void            (*post)(DECL_ARGS);
-       const char       *prefix;
-       const char       *suffix;
+       int_fp            cond; /* DON'T run actions */
+       int_fp            pre; /* pre-node action */
+       void_fp           post; /* post-node action */
+       const char       *prefix; /* pre-node string constant */
+       const char       *suffix; /* post-node string constant */

 };
 
 };
 

-static void      print_word(const char *);
-static void      print_node(DECL_ARGS);
-
-static int       cond_head(DECL_ARGS);

 static int       cond_body(DECL_ARGS);
 static int       cond_body(DECL_ARGS);

-static int       pre_enc(DECL_ARGS);
+static int       cond_head(DECL_ARGS);
+static  void     font_push(char);
+static void      font_pop(void);
+static int       man_strlen(const char *);
+static void      mid_it(void);
+static void      post__t(DECL_ARGS);
+static void      post_aq(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_en(DECL_ARGS);

 static void      post_enc(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_percent(DECL_ARGS);

-
+static void      post_pf(DECL_ARGS);
+static void      post_sect(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_aq(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 void      pre_br(DECL_ARGS);

 static int       pre_dl(DECL_ARGS);
 static int       pre_dl(DECL_ARGS);

-static void      post_dl(DECL_ARGS);
+static int       pre_en(DECL_ARGS);
+static int       pre_enc(DECL_ARGS);
+static int       pre_em(DECL_ARGS);
+static int       pre_skip(DECL_ARGS);
+static int       pre_eo(DECL_ARGS);
+static int       pre_ex(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 void      pre_ft(DECL_ARGS);
+static int       pre_Ft(DECL_ARGS);
+static int       pre_in(DECL_ARGS);

 static int       pre_it(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_nm(DECL_ARGS);

-static void      post_nm(DECL_ARGS);
+static int       pre_no(DECL_ARGS);

 static int       pre_ns(DECL_ARGS);
 static int       pre_ns(DECL_ARGS);

+static void      pre_onearg(DECL_ARGS);

 static int       pre_pp(DECL_ARGS);
 static int       pre_pp(DECL_ARGS);

-static int       pre_sh(DECL_ARGS);
-static void      post_sh(DECL_ARGS);
+static int       pre_rs(DECL_ARGS);
+static int       pre_sm(DECL_ARGS);
+static void      pre_sp(DECL_ARGS);
+static int       pre_sect(DECL_ARGS);
+static int       pre_sy(DECL_ARGS);
+static void      pre_syn(const struct roff_node *);
+static void      pre_ta(DECL_ARGS);
+static int       pre_vt(DECL_ARGS);

 static int       pre_xr(DECL_ARGS);
 static int       pre_xr(DECL_ARGS);

+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 *, int);
+static void      print_width(const struct mdoc_bl *,
+                       const struct roff_node *);
+static void      print_count(int *);
+static void      print_node(DECL_ARGS);

 
 

+static const void_fp roff_manacts[ROFF_MAX] = {
+       pre_br,
+       pre_onearg,
+       pre_ft,
+       pre_onearg,
+       pre_onearg,
+       pre_sp,
+       pre_ta,
+       pre_onearg,
+};

 
 

-static const struct manact manacts[MDOC_MAX] = {
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ap */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Dd */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Dt */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Os */
-       { NULL, pre_sh, post_sh, NULL, NULL }, /* Sh */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ss */
+static const struct manact __manacts[MDOC_MAX - MDOC_Dd] = {
+       { NULL, NULL, NULL, NULL, NULL }, /* Dd */
+       { NULL, NULL, NULL, NULL, NULL }, /* Dt */
+       { NULL, NULL, NULL, NULL, NULL }, /* Os */
+       { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
+       { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */

        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */

-       { NULL, NULL, NULL, NULL, NULL }, /* _D1 */
+       { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */

        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */

-       { NULL, NULL, NULL, NULL, NULL }, /* _Bd */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ed */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bl */
-       { NULL, NULL, NULL, NULL, NULL }, /* _El */
-       { NULL, pre_it, NULL, NULL, NULL }, /* _It */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ad */
-       { NULL, NULL, NULL, NULL, NULL }, /* _An */
-       { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Cd */
-       { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Dv */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Er */
-       { NULL, NULL, NULL, 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, NULL, NULL, NULL, NULL }, /* _Ic */
-       { NULL, NULL, NULL, NULL, NULL }, /* _In */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Li */
+       { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
+       { NULL, NULL, NULL, NULL, NULL }, /* Ed */
+       { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
+       { NULL, NULL, NULL, NULL, NULL }, /* El */
+       { 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_ap, NULL, NULL, NULL }, /* Ap */
+       { 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_ex, NULL, NULL, NULL }, /* Ex */
+       { 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 */
        { 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, NULL, NULL, NULL, NULL }, /* _Rv */
-       { NULL, NULL, NULL, NULL, NULL }, /* _St */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Va */
-       { NULL, NULL, NULL, 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, NULL, NULL, NULL }, /* _Ac */
-       { NULL, NULL, NULL, NULL, NULL }, /* _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, NULL, NULL, NULL, NULL }, /* _Bo */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bq */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bsx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Db */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Dc */
-       { NULL, NULL, NULL, NULL, NULL }, /* _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 */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Fx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ms */
-       { NULL, NULL, NULL, NULL, NULL }, /* _No */
+       { NULL, pre_Ft, post_font, NULL, NULL }, /* Ot */
+       { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
+       { NULL, pre_ex, NULL, NULL, NULL }, /* Rv */
+       { NULL, NULL, NULL, NULL, NULL }, /* St */
+       { 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, 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_aq, post_aq, NULL, NULL }, /* Ao */
+       { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
+       { NULL, NULL, NULL, NULL, NULL }, /* At */
+       { NULL, NULL, NULL, NULL, NULL }, /* Bc */
+       { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
+       { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
+       { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
+       { NULL, NULL, NULL, NULL, NULL }, /* Bsx */
+       { NULL, NULL, NULL, NULL, NULL }, /* Bx */
+       { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
+       { NULL, NULL, NULL, NULL, NULL }, /* Dc */
+       { 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 */
+       { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
+       { NULL, NULL, NULL, NULL, NULL }, /* Fx */
+       { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
+       { NULL, pre_no, NULL, NULL, NULL }, /* No */

        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */

-       { NULL, NULL, NULL, NULL, NULL }, /* _Nx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ox */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Pc */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Pf */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Po */
-       { cond_body, pre_enc, post_enc, "(", ")" }, /* _Pq */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Qc */
-       { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Qo */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Qq */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Re */
-       { cond_body, pre_pp, NULL, NULL, NULL }, /* Rs */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Sc */
-       { NULL, NULL, NULL, NULL, NULL }, /* _So */
-       { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Sm */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Sx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Sy */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Tn */
-       { NULL, NULL, NULL, NULL, 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 }, /* _Oo */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Oc */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bk */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ek */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Bt */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Hf */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Fr */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ud */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Lb */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Lp */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Lk */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Mt */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Brq */
-       { NULL, NULL, NULL, NULL, NULL }, /* _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, NULL, NULL, NULL }, /* _Dx */
-       { NULL, NULL, NULL, NULL, NULL }, /* _%Q */
-       { NULL, NULL, NULL, NULL, NULL }, /* _br */
-       { NULL, NULL, NULL, NULL, NULL }, /* _sp */
-       { NULL, NULL, NULL, NULL, NULL }, /* _%U */
-       { NULL, NULL, NULL, NULL, NULL }, /* _Ta */
+       { NULL, NULL, NULL, NULL, NULL }, /* Nx */
+       { NULL, NULL, NULL, NULL, 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, "\\(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_rs, NULL, NULL, NULL }, /* Rs */
+       { NULL, NULL, NULL, NULL, NULL }, /* Sc */
+       { 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, NULL, NULL, NULL, NULL }, /* Ux */
+       { 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, pre_bk, post_bk, NULL, NULL }, /* Bk */
+       { NULL, NULL, NULL, NULL, NULL }, /* Ek */
+       { NULL, NULL, NULL, NULL, NULL }, /* Bt */
+       { NULL, NULL, NULL, NULL, NULL }, /* Hf */
+       { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
+       { NULL, NULL, NULL, NULL, NULL }, /* Ud */
+       { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
+       { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
+       { 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, post_percent, NULL, NULL }, /* %C */
+       { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
+       { cond_body, pre_en, post_en, NULL, NULL }, /* En */
+       { NULL, NULL, NULL, NULL, NULL }, /* Dx */
+       { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
+       { NULL, NULL, post_percent, NULL, NULL }, /* %U */
+       { NULL, NULL, NULL, NULL, NULL }, /* Ta */

 };
 };

+static const struct manact *const manacts = __manacts - MDOC_Dd;
+
+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 int             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 int
+man_strlen(const char *cp)
+{
+       size_t   rsz;
+       int      skip, sz;
+
+       sz = 0;
+       skip = 0;
+       for (;;) {
+               rsz = strcspn(cp, "\\");
+               if (rsz) {
+                       cp += rsz;
+                       if (skip) {
+                               skip = 0;
+                               rsz--;
+                       }
+                       sz += rsz;
+               }
+               if ('\0' == *cp)
+                       break;
+               cp++;
+               switch (mandoc_escape(&cp, NULL, NULL)) {
+               case ESCAPE_ERROR:
+                       return sz;
+               case ESCAPE_UNICODE:
+               case ESCAPE_NUMBERED:
+               case ESCAPE_SPECIAL:
+               case ESCAPE_OVERSTRIKE:
+                       if (skip)
+                               skip = 0;
+                       else
+                               sz++;
+                       break;
+               case ESCAPE_SKIPCHAR:
+                       skip = 1;
+                       break;
+               default:
+                       break;
+               }
+       }
+       return sz;
+}
+
+static void
+font_push(char newfont)
+{

 
 

+       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)
 {
 
 static void
 print_word(const char *s)
 {

-       if (need_nl) {
-               putchar('\n');
-               need_space = 0;
-               need_nl = 0;
-       } else if (need_space &&
-           (NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]))
-               putchar(' ');
-       need_space = ('(' != s[0] && '[' != s[0]) || '\0' != s[1];
+
+       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');
+               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 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 (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.
+        */
+       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) {
        for ( ; *s; s++) {
                switch (*s) {

-               case (ASCII_NBRSP):
-                       printf("\\~");
+               case ASCII_NBRSP:
+                       printf("\\ ");

                        break;
                        break;

-               case (ASCII_HYPH):
+               case ASCII_HYPH:

                        putchar('-');
                        break;
                        putchar('-');
                        break;

+               case ASCII_BREAK:
+                       printf("\\:");
+                       break;
+               case ' ':
+                       if (MMAN_nbrword & outflags) {
+                               printf("\\ ");
+                               break;
+                       }
+                       /* FALLTHROUGH */

                default:
                default:

-                       putchar(*s);
+                       putchar((unsigned char)*s);

                        break;
                }
                        break;
                }

+               if (TPremain)
+                       TPremain--;

        }
        }

+       outflags &= ~MMAN_nbrword;
+}
+
+static void
+print_line(const char *s, int newflags)
+{
+
+       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, int keywords)
+{
+       char              buf[24];
+       struct roffsu     su;
+       int               sz;
+
+       print_line(".RS", MMAN_Bk_susp);
+
+       /* Convert v into a number (of characters). */
+       if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
+               sz = 0;
+       else if (keywords && !strcmp(v, "indent"))
+               sz = 6;
+       else if (keywords && !strcmp(v, "indent-two"))
+               sz = 12;
+       else if (a2roffsu(v, &su, SCALE_EN) > 1) {
+               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 = man_strlen(v);
+
+       /*
+        * We are inside an enclosing list.
+        * Add the two indentations.
+        */
+       if (Bl_stack_len)
+               sz += Bl_stack[Bl_stack_len - 1];
+
+       (void)snprintf(buf, sizeof(buf), "%dn", sz);
+       print_word(buf);
+       outflags |= MMAN_nl;
+}
+
+/*
+ * Set up the indentation for a list item; used from pre_it().
+ */
+static void
+print_width(const struct mdoc_bl *bl, const struct roff_node *child)
+{
+       char              buf[24];
+       struct roffsu     su;
+       int               numeric, remain, sz, chsz;
+
+       numeric = 1;
+       remain = 0;
+
+       /* Convert the width into a number (of characters). */
+       if (bl->width == NULL)
+               sz = (bl->type == LIST_hang) ? 6 : 0;
+       else if (a2roffsu(bl->width, &su, SCALE_MAX) > 1) {
+               if (SCALE_EN == su.unit)
+                       sz = su.scale;
+               else {
+                       sz = 0;
+                       numeric = 0;
+               }
+       } else
+               sz = man_strlen(bl->width);
+
+       /* XXX Rough estimation, might have multiple parts. */
+       if (bl->type == LIST_enum)
+               chsz = (bl->count > 8) + 1;
+       else if (child != NULL && child->type == ROFFT_TEXT)
+               chsz = man_strlen(child->string);
+       else
+               chsz = 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 (chsz > sz && bl->type != LIST_tag)
+               print_block(".HP", 0);
+       else {
+               print_block(".TP", 0);
+               remain = sz + 2;
+       }
+       if (numeric) {
+               (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
+               print_word(buf);
+       } else
+               print_word(bl->width);
+       TPremain = remain;
+}
+
+static void
+print_count(int *count)
+{
+       char              buf[24];
+
+       (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
+       print_word(buf);
+}
+
+void
+man_man(void *arg, const struct roff_man *man)
+{
+
+       /*
+        * Dump the keep buffer.
+        * We're guaranteed by now that this exists (is non-NULL).
+        * Flush stdout afterward, just in case.
+        */
+       fputs(mparse_getkeep(man_mparse(man)), stdout);
+       fflush(stdout);

 }
 
 void
 }
 
 void

-man_mdoc(void *arg, const struct mdoc *mdoc)
+man_mdoc(void *arg, const struct roff_man *mdoc)

 {
 {

-       const struct mdoc_meta *m;
-       const struct mdoc_node *n;
+       struct roff_node *n;

 
 

-       m = mdoc_meta(mdoc);
-       n = mdoc_node(mdoc);
+       printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
+           mdoc->meta.title,
+           (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
+           mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);

 
 

-       printf(".TH \"%s\" \"%s\" \"%s\"", m->title, m->msec, m->date);
-       need_nl = 1;
-       need_space = 0;
+       /* Disable hyphenation and if nroff, disable justification. */
+       printf(".nh\n.if n .ad l");

 
 

-       print_node(m, n);
+       outflags = MMAN_nl | MMAN_Sm;
+       if (0 == fontqueue.size) {
+               fontqueue.size = 8;
+               fontqueue.head = fontqueue.tail = mandoc_malloc(8);
+               *fontqueue.tail = 'R';
+       }
+       for (n = mdoc->first->child; n != NULL; n = n->next)
+               print_node(&mdoc->meta, n);
+       putchar('\n');

 }
 
 static void
 print_node(DECL_ARGS)
 {
 }
 
 static void
 print_node(DECL_ARGS)
 {

-       const struct mdoc_node  *prev, *sub;
-       const struct manact     *act = NULL;
+       const struct manact     *act;
+       struct roff_node        *sub;

        int                      cond, do_sub;
 
        int                      cond, do_sub;
 

-       prev = n->prev ? n->prev : n->parent;
-       if (prev && prev->line < n->line)
-               need_nl = 1;
+       if (n->flags & NODE_NOPRT)
+               return;
+
+       /*
+        * Break the line if we were parsed subsequent the current node.
+        * This makes the page structure be more consistent.
+        */
+       if (MMAN_spc & outflags && NODE_LINE & n->flags)
+               outflags |= MMAN_nl;

 
 

+       act = NULL;

        cond = 0;
        do_sub = 1;
        cond = 0;
        do_sub = 1;

-       if (MDOC_TEXT == n->type) {
+       n->flags &= ~NODE_ENDED;
+
+       if (n->type == ROFFT_TEXT) {
+               /*
+                * Make sure that we don't happen to start with a
+                * control character at the start of a line.
+                */
+               if (MMAN_nl & outflags &&
+                   ('.' == *n->string || '\'' == *n->string)) {
+                       print_word("");
+                       printf("\\&");
+                       outflags &= ~MMAN_spc;
+               }
+               if (n->flags & NODE_DELIMC)
+                       outflags &= ~(MMAN_spc | MMAN_spc_force);
+               else if (outflags & MMAN_Sm)
+                       outflags |= MMAN_spc_force;

                print_word(n->string);
                print_word(n->string);

+               if (n->flags & NODE_DELIMO)
+                       outflags &= ~(MMAN_spc | MMAN_spc_force);
+               else if (outflags & MMAN_Sm)
+                       outflags |= MMAN_spc;
+       } else if (n->tok < ROFF_MAX) {
+               (*roff_manacts[n->tok])(meta, n);
+               return;

        } else {
        } else {

+               assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
+               /*
+                * Conditionally run the pre-node action handler for a
+                * node.
+                */

                act = manacts + n->tok;
                act = manacts + n->tok;

-               cond = NULL == act->cond || (*act->cond)(m, n);
-               if (cond && act->pre)
-                       do_sub = (*act->pre)(m, n);
+               cond = act->cond == NULL || (*act->cond)(meta, n);
+               if (cond && act->pre != NULL &&
+                   (n->end == ENDBODY_NOT || n->child != NULL))
+                       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)
        if (do_sub)
                for (sub = n->child; sub; sub = sub->next)

-                       print_node(m, sub);
+                       print_node(meta, sub);
+
+       /*
+        * Lastly, conditionally run the post-node handler.
+        */
+       if (NODE_ENDED & n->flags)
+               return;

 
        if (cond && act->post)
 
        if (cond && act->post)

-               (*act->post)(m, n);
+               (*act->post)(meta, n);
+
+       if (ENDBODY_NOT != n->end)
+               n->body->flags |= NODE_ENDED;

 }
 
 static int
 cond_head(DECL_ARGS)
 {
 }
 
 static int
 cond_head(DECL_ARGS)
 {

-       return(MDOC_HEAD == n->type);
+
+       return n->type == ROFFT_HEAD;

 }
 
 static int
 cond_body(DECL_ARGS)
 {
 }
 
 static int
 cond_body(DECL_ARGS)
 {

-       return(MDOC_BODY == n->type);
+
+       return n->type == ROFFT_BODY;

 }
 
 static int
 pre_enc(DECL_ARGS)
 {
 }
 
 static int
 pre_enc(DECL_ARGS)
 {

-       const char *prefix;
+       const char      *prefix;

 
        prefix = manacts[n->tok].prefix;
        if (NULL == prefix)
 
        prefix = manacts[n->tok].prefix;
        if (NULL == prefix)

-               return(1);
+               return 1;

        print_word(prefix);
        print_word(prefix);

-       need_space = 0;
-       return(1);
+       outflags &= ~MMAN_spc;
+       return 1;

 }
 
 static void
 }
 
 static void


@@ -289,122 +736,1036 @@ post_enc(DECL_ARGS)
        suffix = manacts[n->tok].suffix;
        if (NULL == suffix)
                return;
        suffix = manacts[n->tok].suffix;
        if (NULL == suffix)
                return;

-       need_space = 0;
+       outflags &= ~(MMAN_spc | MMAN_nl);

        print_word(suffix);
 }
 
        print_word(suffix);
 }
 

+static int
+pre_ex(DECL_ARGS)
+{
+       outflags |= MMAN_br | MMAN_nl;
+       return 1;
+}
+
+static void
+post_font(DECL_ARGS)
+{
+
+       font_pop();
+}
+

 static void
 post_percent(DECL_ARGS)
 {
 
 static void
 post_percent(DECL_ARGS)
 {
 

-       post_enc(m, n);
-       if (n->next)
+       if (pre_em == manacts[n->tok].pre)
+               font_pop();
+       if (n->next) {

                print_word(",");
                print_word(",");

-       else {
+               if (n->prev &&  n->prev->tok == n->tok &&
+                               n->next->tok == n->tok)
+                       print_word("and");
+       } else {

                print_word(".");
                print_word(".");

-               need_nl = 1;
+               outflags |= MMAN_nl;
+       }
+}
+
+static int
+pre__t(DECL_ARGS)
+{
+
+       if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
+               print_word("\\(lq");
+               outflags &= ~MMAN_spc;
+       } else
+               font_push('I');
+       return 1;
+}
+
+static void
+post__t(DECL_ARGS)
+{
+
+       if (n->parent->tok  == MDOC_Rs && n->parent->norm->Rs.quote_T) {
+               outflags &= ~MMAN_spc;
+               print_word("\\(rq");
+       } else
+               font_pop();
+       post_percent(meta, n);
+}
+
+/*
+ * Print before a section header.
+ */
+static int
+pre_sect(DECL_ARGS)
+{
+
+       if (n->type == ROFFT_HEAD) {
+               outflags |= MMAN_sp;
+               print_block(manacts[n->tok].prefix, 0);
+               print_word("");
+               putchar('\"');
+               outflags &= ~MMAN_spc;
+       }
+       return 1;
+}
+
+/*
+ * Print subsequent a section header.
+ */
+static void
+post_sect(DECL_ARGS)
+{
+
+       if (n->type != ROFFT_HEAD)
+               return;
+       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 roff_node *n)
+{
+
+       if (NULL == n->prev || ! (NODE_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:
+       case MDOC_Fn:
+       case MDOC_Fo:
+       case MDOC_In:
+       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)
+{
+
+       outflags &= ~MMAN_spc;
+       print_word("'");
+       outflags &= ~MMAN_spc;
+       return 0;
+}
+
+static int
+pre_aq(DECL_ARGS)
+{
+
+       print_word(n->child != NULL && n->child->next == NULL &&
+           n->child->tok == MDOC_Mt ?  "<" : "\\(la");
+       outflags &= ~MMAN_spc;
+       return 1;
+}
+
+static void
+post_aq(DECL_ARGS)
+{
+
+       outflags &= ~(MMAN_spc | MMAN_nl);
+       print_word(n->child != NULL && n->child->next == NULL &&
+           n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
+}
+
+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)
+               print_line(".nf", 0);
+       if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
+               outflags |= MMAN_sp;
+       print_offs(n->norm->Bd.offs, 1);
+       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)
+               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 ROFFT_BLOCK:
+               return 1;
+       case ROFFT_BODY:
+               break;
+       default:
+               return 0;
+       }
+       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 (n->type == ROFFT_BODY)
+               font_pop();
+}
+
+static int
+pre_bk(DECL_ARGS)
+{
+
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               return 1;
+       case ROFFT_BODY:
+               outflags |= MMAN_Bk;
+               return 1;
+       default:
+               return 0;
+       }
+}
+
+static void
+post_bk(DECL_ARGS)
+{
+
+       if (n->type == ROFFT_BODY)
+               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, 0);
+               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;
+       }
+
+       if (n->child != NULL) {
+               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:
+               if (n->child != NULL)
+                       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 void
+pre_br(DECL_ARGS)
+{
+       outflags |= MMAN_br;
+}
+

 static int
 pre_dl(DECL_ARGS)
 {
 
 static int
 pre_dl(DECL_ARGS)
 {
 

-       need_nl = 1;
-       print_word(".RS 6n");
-       need_nl = 1;
-       return(1);
+       print_offs("6n", 0);
+       return 1;

 }
 
 static void
 post_dl(DECL_ARGS)
 {
 
 }
 
 static void
 post_dl(DECL_ARGS)
 {
 

-       need_nl = 1;
-       print_word(".RE");
-       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 int
+pre_en(DECL_ARGS)
+{
+
+       if (NULL == n->norm->Es ||
+           NULL == n->norm->Es->child)
+               return 1;
+
+       print_word(n->norm->Es->child->string);
+       outflags &= ~MMAN_spc;
+       return 1;
+}
+
+static void
+post_en(DECL_ARGS)
+{
+
+       if (NULL == n->norm->Es ||
+           NULL == n->norm->Es->child ||
+           NULL == n->norm->Es->child->next)
+               return;
+
+       outflags &= ~MMAN_spc;
+       print_word(n->norm->Es->child->next->string);
+       return;
+}
+
+static int
+pre_eo(DECL_ARGS)
+{
+
+       if (n->end == ENDBODY_NOT &&
+           n->parent->head->child == NULL &&
+           n->child != NULL &&
+           n->child->end != ENDBODY_NOT)
+               print_word("\\&");
+       else if (n->end != ENDBODY_NOT ? n->child != NULL :
+           n->parent->head->child != NULL && (n->child != NULL ||
+           (n->parent->tail != NULL && n->parent->tail->child != NULL)))
+               outflags &= ~(MMAN_spc | MMAN_nl);
+       return 1;
+}
+
+static void
+post_eo(DECL_ARGS)
+{
+       int      body, tail;
+
+       if (n->end != ENDBODY_NOT) {
+               outflags |= MMAN_spc;
+               return;
+       }
+
+       body = n->child != NULL || n->parent->head->child != NULL;
+       tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
+
+       if (body && tail)
+               outflags &= ~MMAN_spc;
+       else if ( ! (body || tail))
+               print_word("\\&");
+       else if ( ! tail)
+               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 || NODE_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("\\-");
+       if (n->child != NULL)
+               outflags &= ~MMAN_spc;
+       return 1;
+}
+
+static void
+post_fl(DECL_ARGS)
+{
+
+       font_pop();
+       if (!(n->child != NULL ||
+           n->next == NULL ||
+           n->next->type == ROFFT_TEXT ||
+           n->next->flags & NODE_LINE))
+               outflags &= ~MMAN_spc;
+}
+
+static int
+pre_fn(DECL_ARGS)
+{
+
+       pre_syn(n);
+
+       n = n->child;
+       if (NULL == n)
+               return 0;
+
+       if (NODE_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 (NODE_SYNPRETTY & n->flags) {
+               print_word(";");
+               outflags |= MMAN_PP;
+       }
+}
+
+static int
+pre_fo(DECL_ARGS)
+{
+
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               pre_syn(n);
+               break;
+       case ROFFT_HEAD:
+               if (n->child == NULL)
+                       return 0;
+               if (NODE_SYNPRETTY & n->flags)
+                       print_block(".HP 4n", MMAN_nl);
+               font_push('B');
+               break;
+       case ROFFT_BODY:
+               outflags &= ~(MMAN_spc | MMAN_nl);
+               print_word("(");
+               outflags &= ~MMAN_spc;
+               break;
+       default:
+               break;
+       }
+       return 1;
+}
+
+static void
+post_fo(DECL_ARGS)
+{
+
+       switch (n->type) {
+       case ROFFT_HEAD:
+               if (n->child != NULL)
+                       font_pop();
+               break;
+       case ROFFT_BODY:
+               post_fn(meta, n);
+               break;
+       default:
+               break;
+       }
+}
+
+static int
+pre_Ft(DECL_ARGS)
+{
+
+       pre_syn(n);
+       font_push('I');
+       return 1;
+}
+
+static void
+pre_ft(DECL_ARGS)
+{
+       print_line(".ft", 0);
+       print_word(n->child->string);
+       outflags |= MMAN_nl;
+}
+
+static int
+pre_in(DECL_ARGS)
+{
+
+       if (NODE_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 (NODE_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)
 {
 }
 
 static int
 pre_it(DECL_ARGS)
 {

-       const struct mdoc_node *bln;
+       const struct roff_node *bln;
+
+       switch (n->type) {
+       case ROFFT_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:
+               case LIST_diag:
+               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:
+               case LIST_dash:
+               case LIST_hyphen:
+                       print_width(&bln->norm->Bl, NULL);
+                       TPremain = 0;
+                       outflags |= MMAN_nl;
+                       font_push('B');
+                       if (LIST_bullet == bln->norm->Bl.type)
+                               print_word("\\(bu");
+                       else
+                               print_word("-");
+                       font_pop();
+                       outflags |= MMAN_nl;
+                       return 0;
+               case LIST_enum:
+                       print_width(&bln->norm->Bl, NULL);
+                       TPremain = 0;
+                       outflags |= MMAN_nl;
+                       print_count(&bln->norm->Bl.count);
+                       outflags |= MMAN_nl;
+                       return 0;
+               case LIST_hang:
+                       print_width(&bln->norm->Bl, n->child);
+                       TPremain = 0;
+                       outflags |= MMAN_nl;
+                       return 1;
+               case LIST_tag:
+                       print_width(&bln->norm->Bl, n->child);
+                       putchar('\n');
+                       outflags &= ~MMAN_spc;
+                       return 1;
+               default:
+                       return 1;
+               }
+       default:
+               break;
+       }
+       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);
+       (void)snprintf(buf, sizeof(buf), "%dn",
+           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 roff_node *bln;
+
+       bln = n->parent->parent;
+
+       switch (n->type) {
+       case ROFFT_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 ROFFT_BODY:
+               switch (bln->norm->Bl.type) {
+               case LIST_bullet:
+               case LIST_dash:
+               case LIST_hyphen:
+               case LIST_enum:
+               case LIST_hang:
+               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 roff_node *link, *descr, *punct;
+       int display;

 
 

-       if (MDOC_HEAD == n->type) {
-               need_nl = 1;
-               print_word(".TP");
-               bln = n->parent->parent->prev;
-               print_word(bln->norm->Bl.width);
-               need_nl = 1;
+       if ((link = n->child) == NULL)
+               return 0;
+
+       /* Find beginning of trailing punctuation. */
+       punct = n->last;
+       while (punct != link && punct->flags & NODE_DELIMC)
+               punct = punct->prev;
+       punct = punct->next;
+
+       /* Link text. */
+       if ((descr = link->next) != NULL && descr != punct) {
+               font_push('I');
+               while (descr != punct) {
+                       print_word(descr->string);
+                       descr = descr->next;
+               }
+               font_pop();
+               print_word(":");

        }
        }

-       return(1);
+
+       /* Link target. */
+       display = man_strlen(link->string) >= 26;
+       if (display) {
+               print_line(".RS", MMAN_Bk_susp);
+               print_word("6n");
+               outflags |= MMAN_nl;
+       }
+       font_push('B');
+       print_word(link->string);
+       font_pop();
+
+       /* Trailing punctuation. */
+       while (punct != NULL) {
+               print_word(punct->string);
+               punct = punct->next;
+       }
+       if (display)
+               print_line(".RE", MMAN_nl);
+       return 0;
+}
+
+static void
+pre_onearg(DECL_ARGS)
+{
+       outflags |= MMAN_nl;
+       print_word(".");
+       outflags &= ~MMAN_spc;
+       print_word(roff_name[n->tok]);
+       if (n->child != NULL)
+               print_word(n->child->string);
+       outflags |= MMAN_nl;
+       if (n->tok == ROFF_ce)
+               for (n = n->child->next; n != NULL; n = n->next)
+                       print_node(meta, n);
+}
+
+static int
+pre_li(DECL_ARGS)
+{
+
+       font_push('R');
+       return 1;

 }
 
 static int
 pre_nm(DECL_ARGS)
 {
 }
 
 static int
 pre_nm(DECL_ARGS)
 {

+       char    *name;

 
 

-       if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
-               return(1);
-       print_word("\\fB");
-       need_space = 0;
-       if (NULL == n->child)
-               print_word(m->name);
-       return(1);
+       if (n->type == ROFFT_BLOCK) {
+               outflags |= MMAN_Bk;
+               pre_syn(n);
+       }
+       if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
+               return 1;
+       name = n->child == NULL ? NULL : n->child->string;
+       if (NULL == name)
+               return 0;
+       if (n->type == ROFFT_HEAD) {
+               if (NULL == n->parent->prev)
+                       outflags |= MMAN_sp;
+               print_block(".HP", 0);
+               printf(" %dn", man_strlen(name) + 1);
+               outflags |= MMAN_nl;
+       }
+       font_push('B');
+       return 1;

 }
 
 static void
 post_nm(DECL_ARGS)
 {
 
 }
 
 static void
 post_nm(DECL_ARGS)
 {
 

-       if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
-               return;
-       need_space = 0;
-       print_word("\\fP");
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               outflags &= ~MMAN_Bk;
+               break;
+       case ROFFT_HEAD:
+       case ROFFT_ELEM:
+               if (n->child != NULL && n->child->string != NULL)
+                       font_pop();
+               break;
+       default:
+               break;
+       }
+}
+
+static int
+pre_no(DECL_ARGS)
+{
+
+       outflags |= MMAN_spc_force;
+       return 1;

 }
 
 static int
 pre_ns(DECL_ARGS)
 {
 
 }
 
 static int
 pre_ns(DECL_ARGS)
 {
 

-       need_space = 0;
-       return(0);
+       outflags &= ~MMAN_spc;
+       return 0;
+}
+
+static void
+post_pf(DECL_ARGS)
+{
+
+       if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
+               outflags &= ~MMAN_spc;

 }
 
 static int
 pre_pp(DECL_ARGS)
 {
 
 }
 
 static int
 pre_pp(DECL_ARGS)
 {
 

-       need_nl = 1;
-       if (MDOC_It == n->parent->tok)
-               print_word(".sp");
+       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_skip(DECL_ARGS)
+{
+
+       return 0;
+}
+
+static int
+pre_sm(DECL_ARGS)
+{
+
+       if (NULL == n->child)
+               outflags ^= MMAN_Sm;
+       else if (0 == strcmp("on", n->child->string))
+               outflags |= MMAN_Sm;

        else
        else

-               print_word(".PP");
-       need_nl = 1;
-       return(1);
+               outflags &= ~MMAN_Sm;
+
+       if (MMAN_Sm & outflags)
+               outflags |= MMAN_spc;
+
+       return 0;
+}
+
+static void
+pre_sp(DECL_ARGS)
+{
+       if (outflags & MMAN_PP) {
+               outflags &= ~MMAN_PP;
+               print_line(".PP", 0);
+       } else {
+               print_line(".sp", 0);
+               if (n->child != NULL)
+                       print_word(n->child->string);
+       }
+       outflags |= MMAN_nl;

 }
 
 static int
 }
 
 static int

-pre_sh(DECL_ARGS)
+pre_sy(DECL_ARGS)

 {
 
 {
 

-       if (MDOC_HEAD != n->type)
-               return(1);
-       need_nl = 1;
-       print_word(".SH \"");
-       need_space = 0;
-       return(1);
+       font_push('B');
+       return 1;
+}
+
+static void
+pre_ta(DECL_ARGS)
+{
+       print_line(".ta", 0);
+       for (n = n->child; n != NULL; n = n->next)
+               print_word(n->string);
+       outflags |= MMAN_nl;
+}
+
+static int
+pre_vt(DECL_ARGS)
+{
+
+       if (NODE_SYNPRETTY & n->flags) {
+               switch (n->type) {
+               case ROFFT_BLOCK:
+                       pre_syn(n);
+                       return 1;
+               case ROFFT_BODY:
+                       break;
+               default:
+                       return 0;
+               }
+       }
+       font_push('I');
+       return 1;

 }
 
 static void
 }
 
 static void

-post_sh(DECL_ARGS)
+post_vt(DECL_ARGS)

 {
 
 {
 

-       if (MDOC_HEAD != n->type)
+       if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)

                return;
                return;

-       need_space = 0;
-       print_word("\"");
-       need_nl = 1;
+       font_pop();

 }
 
 static int
 }
 
 static int


@@ -413,14 +1774,14 @@ pre_xr(DECL_ARGS)
 
        n = n->child;
        if (NULL == n)
 
        n = n->child;
        if (NULL == n)

-               return(0);
-       print_node(m, n);
+               return 0;
+       print_node(meta, n);

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

-               return(0);
-       need_space = 0;
+               return 0;
+       outflags &= ~MMAN_spc;

        print_word("(");
        print_word("(");

-       print_node(m, n);
+       print_node(meta, n);

        print_word(")");
        print_word(")");

-       return(0);
+       return 0;

 }
 }