]> git.cameronkatri.com Git - mandoc.git/blobdiff - man_term.c
Backed-out warning messages (lots).
[mandoc.git] / man_term.c
index 56ac4ac98def939b6e8fefe43584ca12160c3fbc..0f6b4c03113379836951ee63b698c878d1fc7b1b 100644 (file)
@@ -1,4 +1,4 @@
-/*     $Id: man_term.c,v 1.22 2009/08/13 12:54:52 kristaps Exp $ */
+/*     $Id: man_term.c,v 1.67 2010/05/15 20:51:40 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+
 #include <assert.h>
 #include <ctype.h>
-#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "term.h"
+#include "out.h"
 #include "man.h"
+#include "term.h"
+#include "chars.h"
+#include "main.h"
 
 #define        INDENT            7
 #define        HALFINDENT        3
 
-#ifdef __linux__
-extern size_t            strlcpy(char *, const char *, size_t);
-extern size_t            strlcat(char *, const char *, size_t);
-#endif
+/* FIXME: have PD set the default vspace width. */
 
+struct mtermp {
+       int               fl;
 #define        MANT_LITERAL     (1 << 0)
+       /* 
+        * Default amount to indent the left margin after leading text
+        * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
+        * indent).  This needs to be saved because `HP' and so on, if
+        * not having a specified value, must default.
+        *
+        * Note that this is the indentation AFTER the left offset, so
+        * the total offset is usually offset + lmargin.
+        */
+       size_t            lmargin;
+       /*
+        * The default offset, i.e., the amount between any text and the
+        * page boundary.
+        */
+       size_t            offset;
+};
 
 #define        DECL_ARGS         struct termp *p, \
-                         int *fl, \
+                         struct mtermp *mt, \
                          const struct man_node *n, \
                          const struct man_meta *m
 
 struct termact {
        int             (*pre)(DECL_ARGS);
        void            (*post)(DECL_ARGS);
+       int               flags;
+#define        MAN_NOTEXT       (1 << 0) /* Never has text children. */
 };
 
+static int               a2width(const struct man_node *);
+static int               a2height(const struct man_node *);
+
+static void              print_man_head(struct termp *, 
+                               const struct man_meta *);
+static void              print_man_nodelist(DECL_ARGS);
+static void              print_man_node(DECL_ARGS);
+static void              print_man_foot(struct termp *, 
+                               const struct man_meta *);
+static void              print_bvspace(struct termp *, 
+                               const struct man_node *);
+
 static int               pre_B(DECL_ARGS);
 static int               pre_BI(DECL_ARGS);
-static int               pre_BR(DECL_ARGS);
 static int               pre_HP(DECL_ARGS);
 static int               pre_I(DECL_ARGS);
-static int               pre_IB(DECL_ARGS);
 static int               pre_IP(DECL_ARGS);
-static int               pre_IR(DECL_ARGS);
 static int               pre_PP(DECL_ARGS);
 static int               pre_RB(DECL_ARGS);
 static int               pre_RI(DECL_ARGS);
+static int               pre_RS(DECL_ARGS);
 static int               pre_SH(DECL_ARGS);
 static int               pre_SS(DECL_ARGS);
 static int               pre_TP(DECL_ARGS);
 static int               pre_br(DECL_ARGS);
 static int               pre_fi(DECL_ARGS);
+static int               pre_ign(DECL_ARGS);
 static int               pre_nf(DECL_ARGS);
-static int               pre_r(DECL_ARGS);
 static int               pre_sp(DECL_ARGS);
 
-static void              post_B(DECL_ARGS);
-static void              post_I(DECL_ARGS);
 static void              post_IP(DECL_ARGS);
 static void              post_HP(DECL_ARGS);
+static void              post_RS(DECL_ARGS);
 static void              post_SH(DECL_ARGS);
 static void              post_SS(DECL_ARGS);
 static void              post_TP(DECL_ARGS);
-static void              post_i(DECL_ARGS);
-
-static const struct termact termacts[MAN_MAX] = {
-       { pre_br, NULL }, /* br */
-       { NULL, NULL }, /* TH */
-       { pre_SH, post_SH }, /* SH */
-       { pre_SS, post_SS }, /* SS */
-       { pre_TP, post_TP }, /* TP */
-       { pre_PP, NULL }, /* LP */
-       { pre_PP, NULL }, /* PP */
-       { pre_PP, NULL }, /* P */
-       { pre_IP, post_IP }, /* IP */
-       { pre_HP, post_HP }, /* HP */ 
-       { NULL, NULL }, /* SM */
-       { pre_B, post_B }, /* SB */
-       { pre_BI, NULL }, /* BI */
-       { pre_IB, NULL }, /* IB */
-       { pre_BR, NULL }, /* BR */
-       { pre_RB, NULL }, /* RB */
-       { NULL, NULL }, /* R */
-       { pre_B, post_B }, /* B */
-       { pre_I, post_I }, /* I */
-       { pre_IR, NULL }, /* IR */
-       { pre_RI, NULL }, /* RI */
-       { NULL, NULL }, /* na */ /* TODO: document that has no effect */
-       { pre_I, post_i }, /* i */
-       { pre_sp, NULL }, /* sp */
-       { pre_nf, NULL }, /* nf */
-       { pre_fi, NULL }, /* fi */
-       { pre_r, NULL }, /* r */
+
+static const struct termact termacts[MAN_MAX] = {
+       { pre_br, NULL, MAN_NOTEXT }, /* br */
+       { NULL, NULL, 0 }, /* TH */
+       { pre_SH, post_SH, 0 }, /* SH */
+       { pre_SS, post_SS, 0 }, /* SS */
+       { pre_TP, post_TP, 0 }, /* TP */
+       { pre_PP, NULL, 0 }, /* LP */
+       { pre_PP, NULL, 0 }, /* PP */
+       { pre_PP, NULL, 0 }, /* P */
+       { pre_IP, post_IP, 0 }, /* IP */
+       { pre_HP, post_HP, 0 }, /* HP */ 
+       { NULL, NULL, 0 }, /* SM */
+       { pre_B, NULL, 0 }, /* SB */
+       { pre_BI, NULL, 0 }, /* BI */
+       { pre_BI, NULL, 0 }, /* IB */
+       { pre_RB, NULL, 0 }, /* BR */
+       { pre_RB, NULL, 0 }, /* RB */
+       { NULL, NULL, 0 }, /* R */
+       { pre_B, NULL, 0 }, /* B */
+       { pre_I, NULL, 0 }, /* I */
+       { pre_RI, NULL, 0 }, /* IR */
+       { pre_RI, NULL, 0 }, /* RI */
+       { NULL, NULL, MAN_NOTEXT }, /* na */
+       { pre_I, NULL, 0 }, /* i */
+       { pre_sp, NULL, MAN_NOTEXT }, /* sp */
+       { pre_nf, NULL, 0 }, /* nf */
+       { pre_fi, NULL, 0 }, /* fi */
+       { NULL, NULL, 0 }, /* r */
+       { NULL, NULL, 0 }, /* RE */
+       { pre_RS, post_RS, 0 }, /* RS */
+       { pre_ign, NULL, 0 }, /* DT */
+       { pre_ign, NULL, 0 }, /* UC */
+       { pre_ign, NULL, 0 }, /* PD */
+       { pre_sp, NULL, MAN_NOTEXT }, /* Sp */
+       { pre_nf, NULL, 0 }, /* Vb */
+       { pre_fi, NULL, 0 }, /* Ve */
+       { pre_ign, NULL, MAN_NOTEXT }, /* de */
+       { pre_ign, NULL, MAN_NOTEXT }, /* dei */
+       { pre_ign, NULL, MAN_NOTEXT }, /* am */
+       { pre_ign, NULL, MAN_NOTEXT }, /* ami */
+       { NULL, NULL, 0 }, /* . */
 };
 
-static void              print_head(struct termp *, 
-                               const struct man_meta *);
-static void              print_body(DECL_ARGS);
-static void              print_node(DECL_ARGS);
-static void              print_foot(struct termp *, 
-                               const struct man_meta *);
-static void              fmt_block_vspace(struct termp *, 
-                               const struct man_node *);
-static int               arg_width(const struct man_node *);
 
 
-int
-man_run(struct termp *p, const struct man *m)
+void
+terminal_man(void *arg, const struct man *man)
 {
-       int              fl;
-
-       print_head(p, man_meta(m));
-       p->flags |= TERMP_NOSPACE;
-       assert(man_node(m));
-       assert(MAN_ROOT == man_node(m)->type);
+       struct termp            *p;
+       const struct man_node   *n;
+       const struct man_meta   *m;
+       struct mtermp            mt;
 
-       fl = 0;
-       if (man_node(m)->child)
-               print_body(p, &fl, man_node(m)->child, man_meta(m));
-       print_foot(p, man_meta(m));
+       p = (struct termp *)arg;
 
-       return(1);
-}
+       p->overstep = 0;
+       p->maxrmargin = p->defrmargin;
 
+       if (NULL == p->symtab)
+               switch (p->enc) {
+               case (TERMENC_ASCII):
+                       p->symtab = chars_init(CHARS_ASCII);
+                       break;
+               default:
+                       abort();
+                       /* NOTREACHED */
+               }
 
-static void
-fmt_block_vspace(struct termp *p, const struct man_node *n)
-{
-       term_newln(p);
+       n = man_node(man);
+       m = man_meta(man);
 
-       if (NULL == n->prev)
-               return;
+       print_man_head(p, m);
+       p->flags |= TERMP_NOSPACE;
 
-       if (MAN_SS == n->prev->tok)
-               return;
-       if (MAN_SH == n->prev->tok)
-               return;
+       mt.fl = 0;
+       mt.lmargin = INDENT;
+       mt.offset = INDENT;
 
-       term_vspace(p);
+       if (n->child)
+               print_man_nodelist(p, &mt, n->child, m);
+       print_man_foot(p, m);
 }
 
 
 static int
-arg_width(const struct man_node *n)
+a2height(const struct man_node *n)
 {
-       int              i, len;
-       const char      *p;
+       struct roffsu    su;
 
        assert(MAN_TEXT == n->type);
        assert(n->string);
+       if ( ! a2roffsu(n->string, &su, SCALE_VS))
+               SCALE_VS_INIT(&su, strlen(n->string));
 
-       p = n->string;
-
-       if (0 == (len = (int)strlen(p)))
-               return(-1);
-
-       for (i = 0; i < len; i++) 
-               if ( ! isdigit((u_char)p[i]))
-                       break;
-
-       if (i == len - 1)  {
-               if ('n' == p[len - 1] || 'm' == p[len - 1])
-                       return(atoi(p));
-       } else if (i == len)
-               return(atoi(p));
-
-       return(-1);
+       return((int)term_vspan(&su));
 }
 
 
-/* ARGSUSED */
 static int
-pre_I(DECL_ARGS)
+a2width(const struct man_node *n)
 {
+       struct roffsu    su;
 
-       p->flags |= TERMP_UNDER;
-       return(1);
-}
-
-
-/* ARGSUSED */
-static int
-pre_r(DECL_ARGS)
-{
+       assert(MAN_TEXT == n->type);
+       assert(n->string);
+       if ( ! a2roffsu(n->string, &su, SCALE_BU))
+               return(-1);
 
-       p->flags &= ~TERMP_UNDER;
-       p->flags &= ~TERMP_BOLD;
-       return(1);
+       return((int)term_hspan(&su));
 }
 
 
-/* ARGSUSED */
 static void
-post_i(DECL_ARGS)
+print_bvspace(struct termp *p, const struct man_node *n)
 {
+       term_newln(p);
 
-       if (n->nchild)
-               p->flags &= ~TERMP_UNDER;
-}
-
+       if (NULL == n->prev)
+               return;
 
-/* ARGSUSED */
-static void
-post_I(DECL_ARGS)
-{
+       if (MAN_SS == n->prev->tok)
+               return;
+       if (MAN_SH == n->prev->tok)
+               return;
 
-       p->flags &= ~TERMP_UNDER;
+       term_vspace(p);
 }
 
 
 /* ARGSUSED */
 static int
-pre_fi(DECL_ARGS)
+pre_ign(DECL_ARGS)
 {
 
-       *fl &= ~MANT_LITERAL;
-       return(1);
+       return(0);
 }
 
 
 /* ARGSUSED */
 static int
-pre_nf(DECL_ARGS)
+pre_I(DECL_ARGS)
 {
 
-       term_newln(p);
-       *fl |= MANT_LITERAL;
+       term_fontrepl(p, TERMFONT_UNDER);
        return(1);
 }
 
 
 /* ARGSUSED */
 static int
-pre_IR(DECL_ARGS)
+pre_fi(DECL_ARGS)
 {
-       const struct man_node *nn;
-       int              i;
 
-       for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               if ( ! (i % 2))
-                       p->flags |= TERMP_UNDER;
-               if (i > 0)
-                       p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               if ( ! (i % 2))
-                       p->flags &= ~TERMP_UNDER;
-       }
-       return(0);
+       mt->fl &= ~MANT_LITERAL;
+       return(1);
 }
 
 
 /* ARGSUSED */
 static int
-pre_IB(DECL_ARGS)
+pre_nf(DECL_ARGS)
 {
-       const struct man_node *nn;
-       int              i;
 
-       for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               p->flags |= i % 2 ? TERMP_BOLD : TERMP_UNDER;
-               if (i > 0)
-                       p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               p->flags &= i % 2 ? ~TERMP_BOLD : ~TERMP_UNDER;
-       }
-       return(0);
+       mt->fl |= MANT_LITERAL;
+       return(MAN_Vb != n->tok);
 }
 
 
@@ -285,13 +282,17 @@ pre_RB(DECL_ARGS)
        int              i;
 
        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               if (i % 2)
-                       p->flags |= TERMP_BOLD;
+               if (i % 2 && MAN_RB == n->tok)
+                       term_fontrepl(p, TERMFONT_BOLD);
+               else if ( ! (i % 2) && MAN_RB != n->tok)
+                       term_fontrepl(p, TERMFONT_BOLD);
+               else
+                       term_fontrepl(p, TERMFONT_NONE);
+
                if (i > 0)
                        p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               if (i % 2)
-                       p->flags &= ~TERMP_BOLD;
+
+               print_man_node(p, mt, nn, m);
        }
        return(0);
 }
@@ -305,33 +306,17 @@ pre_RI(DECL_ARGS)
        int              i;
 
        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               if ( ! (i % 2))
-                       p->flags |= TERMP_UNDER;
-               if (i > 0)
-                       p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               if ( ! (i % 2))
-                       p->flags &= ~TERMP_UNDER;
-       }
-       return(0);
-}
-
-
-/* ARGSUSED */
-static int
-pre_BR(DECL_ARGS)
-{
-       const struct man_node *nn;
-       int              i;
+               if (i % 2 && MAN_RI == n->tok)
+                       term_fontrepl(p, TERMFONT_UNDER);
+               else if ( ! (i % 2) && MAN_RI != n->tok)
+                       term_fontrepl(p, TERMFONT_UNDER);
+               else
+                       term_fontrepl(p, TERMFONT_NONE);
 
-       for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               if ( ! (i % 2))
-                       p->flags |= TERMP_BOLD;
                if (i > 0)
                        p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               if ( ! (i % 2))
-                       p->flags &= ~TERMP_BOLD;
+
+               print_man_node(p, mt, nn, m);
        }
        return(0);
 }
@@ -341,15 +326,23 @@ pre_BR(DECL_ARGS)
 static int
 pre_BI(DECL_ARGS)
 {
-       const struct man_node *nn;
-       int              i;
+       const struct man_node   *nn;
+       int                      i;
 
        for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               p->flags |= i % 2 ? TERMP_UNDER : TERMP_BOLD;
-               if (i > 0)
+               if (i % 2 && MAN_BI == n->tok)
+                       term_fontrepl(p, TERMFONT_UNDER);
+               else if (i % 2)
+                       term_fontrepl(p, TERMFONT_BOLD);
+               else if (MAN_BI == n->tok)
+                       term_fontrepl(p, TERMFONT_BOLD);
+               else
+                       term_fontrepl(p, TERMFONT_UNDER);
+
+               if (i)
                        p->flags |= TERMP_NOSPACE;
-               print_node(p, fl, nn, m);
-               p->flags &= i % 2 ? ~TERMP_UNDER : ~TERMP_BOLD;
+
+               print_man_node(p, mt, nn, m);
        }
        return(0);
 }
@@ -360,35 +353,22 @@ static int
 pre_B(DECL_ARGS)
 {
 
-       p->flags |= TERMP_BOLD;
+       term_fontrepl(p, TERMFONT_BOLD);
        return(1);
 }
 
 
-/* ARGSUSED */
-static void
-post_B(DECL_ARGS)
-{
-
-       p->flags &= ~TERMP_BOLD;
-}
-
-
 /* ARGSUSED */
 static int
 pre_sp(DECL_ARGS)
 {
        int              i, len;
 
-       if (NULL == n->child) {
-               term_vspace(p);
-               return(0);
-       }
+       len = n->child ? a2height(n->child) : 1;
 
-       len = atoi(n->child->string);
        if (0 == len)
                term_newln(p);
-       for (i = 0; i < len; i++)
+       for (i = 0; i <= len; i++)
                term_vspace(p);
 
        return(0);
@@ -409,21 +389,40 @@ pre_br(DECL_ARGS)
 static int
 pre_HP(DECL_ARGS)
 {
+       size_t                   len;
+       int                      ival;
+       const struct man_node   *nn;
 
        switch (n->type) {
        case (MAN_BLOCK):
-               fmt_block_vspace(p, n);
-               break;
+               print_bvspace(p, n);
+               return(1);
        case (MAN_BODY):
                p->flags |= TERMP_NOBREAK;
                p->flags |= TERMP_TWOSPACE;
-               p->offset = INDENT;
-               p->rmargin = INDENT * 2;
                break;
        default:
                return(0);
        }
 
+       len = mt->lmargin;
+       ival = -1;
+
+       /* Calculate offset. */
+
+       if (NULL != (nn = n->parent->head->child))
+               if ((ival = a2width(nn)) >= 0)
+                       len = (size_t)ival;
+
+       if (0 == len)
+               len = 1;
+
+       p->offset = mt->offset;
+       p->rmargin = mt->offset + len;
+
+       if (ival >= 0)
+               mt->lmargin = (size_t)ival;
+
        return(1);
 }
 
@@ -434,11 +433,14 @@ post_HP(DECL_ARGS)
 {
 
        switch (n->type) {
+       case (MAN_BLOCK):
+               term_flushln(p);
+               break;
        case (MAN_BODY):
                term_flushln(p);
                p->flags &= ~TERMP_NOBREAK;
                p->flags &= ~TERMP_TWOSPACE;
-               p->offset = INDENT;
+               p->offset = mt->offset;
                p->rmargin = p->maxrmargin;
                break;
        default:
@@ -454,10 +456,11 @@ pre_PP(DECL_ARGS)
 
        switch (n->type) {
        case (MAN_BLOCK):
-               fmt_block_vspace(p, n);
+               mt->lmargin = INDENT;
+               print_bvspace(p, n);
                break;
        default:
-               p->offset = INDENT;
+               p->offset = mt->offset;
                break;
        }
 
@@ -474,22 +477,21 @@ pre_IP(DECL_ARGS)
        int                      ival;
 
        switch (n->type) {
-       case (MAN_BLOCK):
-               fmt_block_vspace(p, n);
-               return(1);
        case (MAN_BODY):
                p->flags |= TERMP_NOLPAD;
                p->flags |= TERMP_NOSPACE;
                break;
        case (MAN_HEAD):
                p->flags |= TERMP_NOBREAK;
-               p->flags |= TERMP_TWOSPACE;
                break;
+       case (MAN_BLOCK):
+               print_bvspace(p, n);
+               /* FALLTHROUGH */
        default:
                return(1);
        }
 
-       len = INDENT * 2;
+       len = mt->lmargin;
        ival = -1;
 
        /* Calculate offset. */
@@ -498,25 +500,32 @@ pre_IP(DECL_ARGS)
                if (NULL != (nn = nn->next)) {
                        for ( ; nn->next; nn = nn->next)
                                /* Do nothing. */ ;
-                       if ((ival = arg_width(nn)) >= 0)
+                       if ((ival = a2width(nn)) >= 0)
                                len = (size_t)ival;
                }
 
        switch (n->type) {
-       case (MAN_BODY):
-               p->offset = INDENT + len;
-               p->rmargin = p->maxrmargin;
-               break;
        case (MAN_HEAD):
-               p->offset = INDENT;
-               p->rmargin = INDENT + len;
+               /* Handle zero-width lengths. */
+               if (0 == len)
+                       len = 1;
+
+               p->offset = mt->offset;
+               p->rmargin = mt->offset + len;
                if (ival < 0)
                        break;
 
+               /* Set the saved left-margin. */
+               mt->lmargin = (size_t)ival;
+
                /* Don't print the length value. */
                for (nn = n->child; nn->next; nn = nn->next)
-                       print_node(p, fl, nn, m);
+                       print_man_node(p, mt, nn, m);
                return(0);
+       case (MAN_BODY):
+               p->offset = mt->offset + len;
+               p->rmargin = p->maxrmargin;
+               break;
        default:
                break;
        }
@@ -534,7 +543,6 @@ post_IP(DECL_ARGS)
        case (MAN_HEAD):
                term_flushln(p);
                p->flags &= ~TERMP_NOBREAK;
-               p->flags &= ~TERMP_TWOSPACE;
                p->rmargin = p->maxrmargin;
                break;
        case (MAN_BODY):
@@ -551,21 +559,60 @@ post_IP(DECL_ARGS)
 static int
 pre_TP(DECL_ARGS)
 {
+       const struct man_node   *nn;
+       size_t                   len;
+       int                      ival;
 
        switch (n->type) {
-       case (MAN_BLOCK):
-               fmt_block_vspace(p, n);
-               break;
        case (MAN_HEAD):
-               p->rmargin = INDENT * 2;
-               p->offset = INDENT;
                p->flags |= TERMP_NOBREAK;
                p->flags |= TERMP_TWOSPACE;
                break;
        case (MAN_BODY):
                p->flags |= TERMP_NOLPAD;
                p->flags |= TERMP_NOSPACE;
-               p->offset = INDENT * 2;
+               break;
+       case (MAN_BLOCK):
+               print_bvspace(p, n);
+               /* FALLTHROUGH */
+       default:
+               return(1);
+       }
+
+       len = (size_t)mt->lmargin;
+       ival = -1;
+
+       /* Calculate offset. */
+
+       if (NULL != (nn = n->parent->head->child)) {
+               while (nn && MAN_TEXT != nn->type)
+                       nn = nn->next;
+               if (nn && nn->next)
+                       if ((ival = a2width(nn)) >= 0)
+                               len = (size_t)ival;
+       }
+
+       switch (n->type) {
+       case (MAN_HEAD):
+               /* Handle zero-length properly. */
+               if (0 == len)
+                       len = 1;
+
+               p->offset = mt->offset;
+               p->rmargin = mt->offset + len;
+
+               /* Don't print same-line elements. */
+               for (nn = n->child; nn; nn = nn->next) 
+                       if (nn->line > n->line)
+                               print_man_node(p, mt, nn, m);
+
+               if (ival >= 0)
+                       mt->lmargin = (size_t)ival;
+
+               return(0);
+       case (MAN_BODY):
+               p->offset = mt->offset + len;
+               p->rmargin = p->maxrmargin;
                break;
        default:
                break;
@@ -604,16 +651,24 @@ pre_SS(DECL_ARGS)
 
        switch (n->type) {
        case (MAN_BLOCK):
-               term_newln(p);
-               if (n->prev)
-                       term_vspace(p);
+               mt->lmargin = INDENT;
+               mt->offset = INDENT;
+               /* If following a prior empty `SS', no vspace. */
+               if (n->prev && MAN_SS == n->prev->tok)
+                       if (NULL == n->prev->body->child)
+                               break;
+               if (NULL == n->prev)
+                       break;
+               term_vspace(p);
                break;
        case (MAN_HEAD):
-               p->flags |= TERMP_BOLD;
+               term_fontrepl(p, TERMFONT_BOLD);
                p->offset = HALFINDENT;
                break;
+       case (MAN_BODY):
+               p->offset = mt->offset;
+               break;
        default:
-               p->offset = INDENT;
                break;
        }
 
@@ -629,7 +684,9 @@ post_SS(DECL_ARGS)
        switch (n->type) {
        case (MAN_HEAD):
                term_newln(p);
-               p->flags &= ~TERMP_BOLD;
+               break;
+       case (MAN_BODY):
+               term_newln(p);
                break;
        default:
                break;
@@ -644,18 +701,23 @@ pre_SH(DECL_ARGS)
 
        switch (n->type) {
        case (MAN_BLOCK):
+               mt->lmargin = INDENT;
+               mt->offset = INDENT;
                /* If following a prior empty `SH', no vspace. */
                if (n->prev && MAN_SH == n->prev->tok)
                        if (NULL == n->prev->body->child)
                                break;
+               /* If the first macro, no vspae. */
+               if (NULL == n->prev)
+                       break;
                term_vspace(p);
                break;
        case (MAN_HEAD):
-               p->flags |= TERMP_BOLD;
+               term_fontrepl(p, TERMFONT_BOLD);
                p->offset = 0;
                break;
        case (MAN_BODY):
-               p->offset = INDENT;
+               p->offset = mt->offset;
                break;
        default:
                break;
@@ -673,7 +735,6 @@ post_SH(DECL_ARGS)
        switch (n->type) {
        case (MAN_HEAD):
                term_newln(p);
-               p->flags &= ~TERMP_BOLD;
                break;
        case (MAN_BODY):
                term_newln(p);
@@ -684,10 +745,63 @@ post_SH(DECL_ARGS)
 }
 
 
+/* ARGSUSED */
+static int
+pre_RS(DECL_ARGS)
+{
+       const struct man_node   *nn;
+       int                      ival;
+
+       switch (n->type) {
+       case (MAN_BLOCK):
+               term_newln(p);
+               return(1);
+       case (MAN_HEAD):
+               return(0);
+       default:
+               break;
+       }
+
+       if (NULL == (nn = n->parent->head->child)) {
+               mt->offset = mt->lmargin + INDENT;
+               p->offset = mt->offset;
+               return(1);
+       }
+
+       if ((ival = a2width(nn)) < 0)
+               return(1);
+
+       mt->offset = INDENT + (size_t)ival;
+       p->offset = mt->offset;
+
+       return(1);
+}
+
+
+/* ARGSUSED */
+static void
+post_RS(DECL_ARGS)
+{
+
+       switch (n->type) {
+       case (MAN_BLOCK):
+               mt->offset = mt->lmargin = INDENT;
+               break;
+       case (MAN_HEAD):
+               break;
+       default:
+               term_newln(p);
+               p->offset = INDENT;
+               break;
+       }
+}
+
+
 static void
-print_node(DECL_ARGS)
+print_man_node(DECL_ARGS)
 {
-       int              c, sz;
+       size_t           rm, rmax;
+       int              c;
 
        c = 1;
 
@@ -697,62 +811,63 @@ print_node(DECL_ARGS)
                        term_vspace(p);
                        break;
                }
-               /*
-                * Note!  This is hacky.  Here, we recognise the `\c'
-                * escape embedded in so many -man pages.  It's supposed
-                * to remove the subsequent space, so we mark NOSPACE if
-                * it's encountered in the string.
-                */
-               sz = (int)strlen(n->string);
+
                term_word(p, n->string);
-               if (sz >= 2 && n->string[sz - 1] == 'c' &&
-                               n->string[sz - 2] == '\\')
-                       p->flags |= TERMP_NOSPACE;
+
                /* FIXME: this means that macro lines are munged!  */
-               if (MANT_LITERAL & *fl) {
+
+               if (MANT_LITERAL & mt->fl) {
+                       rm = p->rmargin;
+                       rmax = p->maxrmargin;
+                       p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
                        p->flags |= TERMP_NOSPACE;
                        term_flushln(p);
+                       p->rmargin = rm;
+                       p->maxrmargin = rmax;
                }
                break;
        default:
+               if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+                       term_fontrepl(p, TERMFONT_NONE);
                if (termacts[n->tok].pre)
-                       c = (*termacts[n->tok].pre)(p, fl, n, m);
+                       c = (*termacts[n->tok].pre)(p, mt, n, m);
                break;
        }
 
        if (c && n->child)
-               print_body(p, fl, n->child, m);
+               print_man_nodelist(p, mt, n->child, m);
 
-       if (MAN_TEXT != n->type)
+       if (MAN_TEXT != n->type) {
                if (termacts[n->tok].post)
-                       (*termacts[n->tok].post)(p, fl, n, m);
+                       (*termacts[n->tok].post)(p, mt, n, m);
+               if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+                       term_fontrepl(p, TERMFONT_NONE);
+       }
+
+       if (MAN_EOS & n->flags)
+               p->flags |= TERMP_SENTENCE;
 }
 
 
 static void
-print_body(DECL_ARGS)
+print_man_nodelist(DECL_ARGS)
 {
 
-       print_node(p, fl, n, m);
+       print_man_node(p, mt, n, m);
        if ( ! n->next)
                return;
-       print_body(p, fl, n->next, m);
+       print_man_nodelist(p, mt, n->next, m);
 }
 
 
 static void
-print_foot(struct termp *p, const struct man_meta *meta)
+print_man_foot(struct termp *p, const struct man_meta *meta)
 {
-       struct tm       *tm;
-       char            *buf;
-
-       if (NULL == (buf = malloc(p->rmargin)))
-               err(1, "malloc");
+       char            buf[DATESIZ];
 
-       tm = localtime(&meta->date);
+       term_fontrepl(p, TERMFONT_NONE);
 
-       if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
-               err(1, "strftime");
+       time2a(meta->date, buf, DATESIZ);
 
        term_vspace(p);
 
@@ -773,34 +888,37 @@ print_foot(struct termp *p, const struct man_meta *meta)
 
        term_word(p, buf);
        term_flushln(p);
-
-       free(buf);
 }
 
 
 static void
-print_head(struct termp *p, const struct man_meta *meta)
+print_man_head(struct termp *p, const struct man_meta *m)
 {
-       char            *buf, *title;
+       char            buf[BUFSIZ], title[BUFSIZ];
+       size_t          buflen, titlen;
+
+       /*
+        * Note that old groff would spit out some spaces before the
+        * header.  We discontinue this strange behaviour, but at one
+        * point we did so here.
+        */
 
        p->rmargin = p->maxrmargin;
-       p->offset = 0;
 
-       if (NULL == (buf = malloc(p->rmargin)))
-               err(1, "malloc");
-       if (NULL == (title = malloc(p->rmargin)))
-               err(1, "malloc");
+       p->offset = 0;
+       buf[0] = title[0] = '\0';
 
-       if (meta->vol)
-               (void)strlcpy(buf, meta->vol, p->rmargin);
-       else
-               *buf = 0;
+       if (m->vol)
+               strlcpy(buf, m->vol, BUFSIZ);
+       buflen = strlen(buf);
 
-       (void)snprintf(title, p->rmargin, "%s(%d)", 
-                       meta->title, meta->msec);
+       snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+       titlen = strlen(title);
 
        p->offset = 0;
-       p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
+       p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
+           (p->maxrmargin - strlen(buf) + 1) / 2 :
+           p->maxrmargin - buflen;
        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
 
        term_word(p, title);
@@ -808,24 +926,31 @@ print_head(struct termp *p, const struct man_meta *meta)
 
        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
        p->offset = p->rmargin;
-       p->rmargin = p->maxrmargin - strlen(title);
+       p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
+           p->maxrmargin - titlen : p->maxrmargin;
 
        term_word(p, buf);
        term_flushln(p);
 
-       p->offset = p->rmargin;
-       p->rmargin = p->maxrmargin;
        p->flags &= ~TERMP_NOBREAK;
-       p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
-
-       term_word(p, title);
-       term_flushln(p);
+       if (p->rmargin + titlen <= p->maxrmargin) {
+               p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+               p->offset = p->rmargin;
+               p->rmargin = p->maxrmargin;
+               term_word(p, title);
+               term_flushln(p);
+       }
 
        p->rmargin = p->maxrmargin;
        p->offset = 0;
        p->flags &= ~TERMP_NOSPACE;
 
-       free(title);
-       free(buf);
-}
+       /* 
+        * Groff likes to have some leading spaces before content.  Well
+        * that's fine by me.
+        */
 
+       term_vspace(p);
+       term_vspace(p);
+       term_vspace(p);
+}