===================================================================
RCS file: /cvs/mandoc/mdoc_man.c,v
retrieving revision 1.46
retrieving revision 1.61
diff -u -p -r1.46 -r1.61
--- mandoc/mdoc_man.c	2012/11/19 02:14:45	1.46
+++ mandoc/mdoc_man.c	2014/03/30 23:34:32	1.61
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_man.c,v 1.46 2012/11/19 02:14:45 schwarze Exp $ */
+/*	$Id: mdoc_man.c,v 1.61 2014/03/30 23:34:32 schwarze Exp $ */
 /*
- * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012, 2013, 2014 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
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "out.h"
 #include "man.h"
 #include "mdoc.h"
@@ -43,6 +44,7 @@ static	int	  cond_body(DECL_ARGS);
 static	int	  cond_head(DECL_ARGS);
 static  void	  font_push(char);
 static	void	  font_pop(void);
+static	void	  mid_it(void);
 static	void	  post__t(DECL_ARGS);
 static	void	  post_bd(DECL_ARGS);
 static	void	  post_bf(DECL_ARGS);
@@ -88,6 +90,7 @@ static	int	  pre_in(DECL_ARGS);
 static	int	  pre_it(DECL_ARGS);
 static	int	  pre_lk(DECL_ARGS);
 static	int	  pre_li(DECL_ARGS);
+static	int	  pre_ll(DECL_ARGS);
 static	int	  pre_nm(DECL_ARGS);
 static	int	  pre_no(DECL_ARGS);
 static	int	  pre_ns(DECL_ARGS);
@@ -181,8 +184,8 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Db */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Dc */
-	{ cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
-	{ cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
+	{ 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 */
@@ -198,14 +201,14 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
 	{ cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Qc */
-	{ cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
+	{ cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
 	{ cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
 	{ cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Re */
 	{ cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Sc */
-	{ cond_body, pre_enc, post_enc, "`", "'" }, /* So */
-	{ cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
+	{ 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 */
@@ -239,6 +242,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
 	{ NULL, NULL, post_percent, NULL, NULL }, /* %U */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Ta */
+	{ NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
 	{ NULL, NULL, NULL, NULL, NULL }, /* ROOT */
 };
 
@@ -255,6 +259,7 @@ static	int		outflags;
 #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
 
@@ -363,6 +368,15 @@ print_word(const char *s)
 		case (ASCII_HYPH):
 			putchar('-');
 			break;
+		case (ASCII_BREAK):
+			printf("\\:");
+			break;
+		case (' '):
+			if (MMAN_nbrword & outflags) {
+				printf("\\ ");
+				break;
+			}
+			/* FALLTHROUGH */
 		default:
 			putchar((unsigned char)*s);
 			break;
@@ -370,6 +384,7 @@ print_word(const char *s)
 		if (TPremain)
 			TPremain--;
 	}
+	outflags &= ~MMAN_nbrword;
 }
 
 static void
@@ -407,6 +422,8 @@ print_offs(const char *v)
 	struct roffsu	  su;
 	size_t		  sz;
 
+	print_line(".RS", MMAN_Bk_susp);
+
 	/* Convert v into a number (of characters). */
 	if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
 		sz = 0;
@@ -426,6 +443,7 @@ print_offs(const char *v)
 			 * in terms of different units.
 			 */
 			print_word(v);
+			outflags |= MMAN_nl;
 			return;
 		}
 	} else
@@ -438,11 +456,15 @@ print_offs(const char *v)
 	if (Bl_stack_len)
 		sz += Bl_stack[Bl_stack_len - 1];
 
-	snprintf(buf, sizeof(buf), "%ldn", sz);
+	snprintf(buf, sizeof(buf), "%zun", sz);
 	print_word(buf);
+	outflags |= MMAN_nl;
 }
 
-void
+/*
+ * Set up the indentation for a list item; used from pre_it().
+ */
+static void
 print_width(const char *v, const struct mdoc_node *child, size_t defsz)
 {
 	char		  buf[24];
@@ -470,16 +492,8 @@ print_width(const char *v, const struct mdoc_node *chi
 	chsz = (NULL != child && MDOC_TEXT == child->type) ?
 			strlen(child->string) : 0;
 
-	/*
-	 * If we are inside an enclosing list,
-	 * preserve its indentation.
-	 */
-	if (Bl_stack_len && Bl_stack[Bl_stack_len - 1]) {
-		print_line(".RS", MMAN_Bk_susp);
-		snprintf(buf, sizeof(buf), "%ldn",
-				Bl_stack[Bl_stack_len - 1]);
-		print_word(buf);
-	}
+	/* Maybe we are inside an enclosing list? */
+	mid_it();
 
 	/*
 	 * Save our own indentation,
@@ -495,14 +509,14 @@ print_width(const char *v, const struct mdoc_node *chi
 		remain = sz + 2;
 	}
 	if (numeric) {
-		snprintf(buf, sizeof(buf), "%ldn", sz + 2);
+		snprintf(buf, sizeof(buf), "%zun", sz + 2);
 		print_word(buf);
 	} else
 		print_word(v);
 	TPremain = remain;
 }
 
-void
+static void
 print_count(int *count)
 {
 	char		  buf[12];
@@ -553,7 +567,7 @@ man_mdoc(void *arg, const struct mdoc *mdoc)
 static void
 print_node(DECL_ARGS)
 {
-	const struct mdoc_node	*prev, *sub;
+	const struct mdoc_node	*sub;
 	const struct manact	*act;
 	int			 cond, do_sub;
 
@@ -561,8 +575,7 @@ print_node(DECL_ARGS)
 	 * Break the line if we were parsed subsequent the current node.
 	 * This makes the page structure be more consistent.
 	 */
-	prev = n->prev ? n->prev : n->parent;
-	if (MMAN_spc & outflags && prev && prev->line < n->line)
+	if (MMAN_spc & outflags && MDOC_LINE & n->flags)
 		outflags |= MMAN_nl;
 
 	act = NULL;
@@ -588,7 +601,7 @@ print_node(DECL_ARGS)
 		 */
 		act = manacts + n->tok;
 		cond = NULL == act->cond || (*act->cond)(meta, n);
-		if (cond && act->pre)
+		if (cond && act->pre && ENDBODY_NOT == n->end)
 			do_sub = (*act->pre)(meta, n);
 	}
 
@@ -604,8 +617,17 @@ print_node(DECL_ARGS)
 	/*
 	 * Lastly, conditionally run the post-node handler.
 	 */
+	if (MDOC_ENDED & n->flags)
+		return;
+
 	if (cond && act->post)
 		(*act->post)(meta, n);
+
+	if (ENDBODY_NOT != n->end)
+		n->pending->flags |= MDOC_ENDED;
+
+	if (ENDBODY_NOSPACE == n->end)
+		outflags &= ~(MMAN_spc | MMAN_nl);
 }
 
 static int
@@ -643,7 +665,7 @@ post_enc(DECL_ARGS)
 	suffix = manacts[n->tok].suffix;
 	if (NULL == suffix)
 		return;
-	outflags &= ~MMAN_spc;
+	outflags &= ~(MMAN_spc | MMAN_nl);
 	print_word(suffix);
 }
 
@@ -706,24 +728,12 @@ static int
 pre_sect(DECL_ARGS)
 {
 
-	switch (n->type) {
-	case (MDOC_HEAD):
+	if (MDOC_HEAD == n->type) {
 		outflags |= MMAN_sp;
 		print_block(manacts[n->tok].prefix, 0);
 		print_word("");
 		putchar('\"');
 		outflags &= ~MMAN_spc;
-		break;
-	case (MDOC_BODY):
-		if (MDOC_Sh == n->tok) {
-			if (MDOC_SYNPRETTY & n->flags)
-				outflags |= MMAN_Bk;
-			else
-				outflags &= ~MMAN_Bk;
-		}
-		break;
-	default:
-		break;
 	}
 	return(1);
 }
@@ -829,16 +839,13 @@ pre_bd(DECL_ARGS)
 		print_line(".nf", 0);
 	if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
 		outflags |= MMAN_sp;
-	print_line(".RS", MMAN_Bk_susp);
 	print_offs(n->norm->Bd.offs);
-	outflags |= MMAN_nl;
 	return(1);
 }
 
 static void
 post_bd(DECL_ARGS)
 {
-	char		 buf[24];
 
 	/* Close out this display. */
 	print_line(".RE", MMAN_nl);
@@ -846,20 +853,9 @@ post_bd(DECL_ARGS)
 	    DISP_literal  == n->norm->Bd.type)
 		print_line(".fi", MMAN_nl);
 
-	/*
-	 * If we are inside an enclosing list and the current
-	 * list item is not yet finished, restore the correct
-	 * indentation for what remains of that item.
-	 */
-	if (NULL != n->parent->next &&
-	    Bl_stack_len && Bl_stack[Bl_stack_len - 1]) {
-		print_line(".RS", MMAN_Bk_susp);
-		snprintf(buf, sizeof(buf), "%ldn",
-				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;
-	}
+	/* Maybe we are inside an enclosing list? */
+	if (NULL != n->parent->next)
+		mid_it();
 }
 
 static int
@@ -924,6 +920,16 @@ pre_bl(DECL_ARGS)
 {
 	size_t		 icol;
 
+	/*
+	 * print_offs() will increase the -offset to account for
+	 * a possible enclosing .It, but any enclosed .It blocks
+	 * just nest and do not add up their indentation.
+	 */
+	if (n->norm->Bl.offs) {
+		print_offs(n->norm->Bl.offs);
+		Bl_stack[Bl_stack_len++] = 0;
+	}
+
 	switch (n->norm->Bl.type) {
 	case (LIST_enum):
 		n->norm->Bl.count = 0;
@@ -956,8 +962,21 @@ post_bl(DECL_ARGS)
 	default:
 		break;
 	}
-	outflags |= MMAN_PP | MMAN_nl;
-	outflags &= ~(MMAN_sp | MMAN_br);
+
+	if (n->norm->Bl.offs) {
+		print_line(".RE", MMAN_nl);
+		assert(Bl_stack_len);
+		Bl_stack_len--;
+		assert(0 == Bl_stack[Bl_stack_len]);
+	} else {
+		outflags |= MMAN_PP | MMAN_nl;
+		outflags &= ~(MMAN_sp | MMAN_br);
+	}
+
+	/* Maybe we are inside an enclosing list? */
+	if (NULL != n->parent->next)
+		mid_it();
+
 }
 
 static int
@@ -992,7 +1011,7 @@ static int
 pre_dl(DECL_ARGS)
 {
 
-	print_line(".RS 6n", MMAN_nl);
+	print_offs("6n");
 	return(1);
 }
 
@@ -1001,6 +1020,10 @@ post_dl(DECL_ARGS)
 {
 
 	print_line(".RE", MMAN_nl);
+
+	/* Maybe we are inside an enclosing list? */
+	if (NULL != n->parent->next)
+		mid_it();
 }
 
 static int
@@ -1022,12 +1045,17 @@ post_eo(DECL_ARGS)
 static int
 pre_fa(DECL_ARGS)
 {
+	int	 am_Fa;
 
-	if (MDOC_Fa == n->tok)
+	am_Fa = MDOC_Fa == n->tok;
+
+	if (am_Fa)
 		n = n->child;
 
 	while (NULL != n) {
 		font_push('I');
+		if (am_Fa || MDOC_SYNPRETTY & n->flags)
+			outflags |= MMAN_nbrword;
 		print_node(meta, n);
 		font_pop();
 		if (NULL != (n = n->next))
@@ -1091,6 +1119,9 @@ pre_fn(DECL_ARGS)
 	if (NULL == n)
 		return(0);
 
+	if (MDOC_SYNPRETTY & n->flags)
+		print_block(".HP 4n", MMAN_nl);
+
 	font_push('B');
 	print_node(meta, n);
 	font_pop();
@@ -1111,7 +1142,7 @@ post_fn(DECL_ARGS)
 	print_word(")");
 	if (MDOC_SYNPRETTY & n->flags) {
 		print_word(";");
-		outflags |= MMAN_br;
+		outflags |= MMAN_PP;
 	}
 }
 
@@ -1124,6 +1155,8 @@ pre_fo(DECL_ARGS)
 		pre_syn(n);
 		break;
 	case (MDOC_HEAD):
+		if (MDOC_SYNPRETTY & n->flags)
+			print_block(".HP 4n", MMAN_nl);
 		font_push('B');
 		break;
 	case (MDOC_BODY):
@@ -1136,7 +1169,7 @@ pre_fo(DECL_ARGS)
 	}
 	return(1);
 }
-		
+
 static void
 post_fo(DECL_ARGS)
 {
@@ -1263,7 +1296,33 @@ pre_it(DECL_ARGS)
 	return(1);
 }
 
+/*
+ * This function is called after closing out an indented block.
+ * If we are inside an enclosing list, restore its indentation.
+ */
 static void
+mid_it(void)
+{
+	char		 buf[24];
+
+	/* Nothing to do outside a list. */
+	if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
+		return;
+
+	/* The indentation has already been set up. */
+	if (Bl_stack_post[Bl_stack_len - 1])
+		return;
+
+	/* Restore the indentation of the enclosing list. */
+	print_line(".RS", MMAN_Bk_susp);
+	snprintf(buf, sizeof(buf), "%zun", Bl_stack[Bl_stack_len - 1]);
+	print_word(buf);
+
+	/* Remeber to close out this .RS block later. */
+	Bl_stack_post[Bl_stack_len - 1] = 1;
+}
+
+static void
 post_it(DECL_ARGS)
 {
 	const struct mdoc_node *bln;
@@ -1302,20 +1361,13 @@ post_it(DECL_ARGS)
 
 			/*
 			 * Our indentation had to be restored
-			 * after a child display.
+			 * 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;
 			}
-
-			/*
-			 * We are inside an enclosing list.
-			 * Restore the indentation of that list.
-			 */
-			if (Bl_stack_len && Bl_stack[Bl_stack_len - 1])
-				print_line(".RE", MMAN_nl);
 			break;
 		case (LIST_column):
 			if (NULL != n->next) {
@@ -1365,6 +1417,14 @@ pre_lk(DECL_ARGS)
 }
 
 static int
+pre_ll(DECL_ARGS)
+{
+
+	print_line(".ll", 0);
+	return(1);
+}
+
+static int
 pre_li(DECL_ARGS)
 {
 
@@ -1377,8 +1437,10 @@ pre_nm(DECL_ARGS)
 {
 	char	*name;
 
-	if (MDOC_BLOCK == n->type)
+	if (MDOC_BLOCK == n->type) {
+		outflags |= MMAN_Bk;
 		pre_syn(n);
+	}
 	if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
 		return(1);
 	name = n->child ? n->child->string : meta->name;
@@ -1388,7 +1450,7 @@ pre_nm(DECL_ARGS)
 		if (NULL == n->parent->prev)
 			outflags |= MMAN_sp;
 		print_block(".HP", 0);
-		printf(" %ldn", strlen(name) + 1);
+		printf(" %zun", strlen(name) + 1);
 		outflags |= MMAN_nl;
 	}
 	font_push('B');
@@ -1401,9 +1463,18 @@ static void
 post_nm(DECL_ARGS)
 {
 
-	if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
-		return;
-	font_pop();
+	switch (n->type) {
+	case (MDOC_BLOCK):
+		outflags &= ~MMAN_Bk;
+		break;
+	case (MDOC_HEAD):
+		/* FALLTHROUGH */
+	case (MDOC_ELEM):
+		font_pop();
+		break;
+	default:
+		break;
+	}
 }
 
 static int