# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1404324047 -7200
# Node ID d42a1d3b74d40f580359dbd139d2d0dfa7235252
# Parent  ad317f586374c14fc077a3d8f97ec0ade1f3b072
updated for version 7.4.353
Problem:    'breakindent' doesn't work with the 'list' option.
Solution:   Make it work. (Christian Brabandt)

diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1217,15 +1217,15 @@ A jump table for the options with a shor
 			{not available when compiled without the |+linebreak|
 			feature}
 	Settings for 'breakindent'. It can consist of the following optional
-	items and must be seperated by a comma:
+	items and must be separated by a comma:
 		min:{n}	    Minimum text width that will be kept after
 			    applying 'breakindent', even if the resulting
 			    text should normally be narrower. This prevents
 			    text indented almost to the right window border
 			    occupying lot of vertical space when broken.
-		shift:{n}   After applying 'breakindent', wrapped line
-			    beginning will be shift by given number of
-			    characters. It permits dynamic French paragraph
+		shift:{n}   After applying 'breakindent', the wrapped line's
+			    beginning will be shifted by the given number of
+			    characters.  It permits dynamic French paragraph
 			    indentation (negative) or emphasizing the line
 			    continuation (positive).
 		sbr	    Display the 'showbreak' value before applying the 
@@ -4613,7 +4613,7 @@ A jump table for the options with a shor
 	it only affects the way the file is displayed, not its contents.
 	If 'breakindent' is set, line is visually indented. Then, the value
 	of 'showbreak' is used to put in front of wrapped lines. This option
-	is not used when the 'wrap' option is off or 'list' is on.
+	is not used when the 'wrap' option is off.
 	Note that <Tab> characters after an <EOL> are mostly not displayed
 	with the right amount of white space.
 
diff --git a/src/charset.c b/src/charset.c
--- a/src/charset.c
+++ b/src/charset.c
@@ -1120,7 +1120,6 @@ win_lbr_chartabsize(wp, line, s, col, he
     if (wp->w_p_lbr
 	    && vim_isbreak(c)
 	    && !vim_isbreak(s[1])
-	    && !wp->w_p_list
 	    && wp->w_p_wrap
 # ifdef FEAT_VERTSPLIT
 	    && wp->w_width != 0
diff --git a/src/screen.c b/src/screen.c
--- a/src/screen.c
+++ b/src/screen.c
@@ -2843,6 +2843,7 @@ win_line(wp, lnum, startrow, endrow, noc
     char_u	extra[18];		/* "%ld" and 'fdc' must fit in here */
     int		n_extra = 0;		/* number of extra chars */
     char_u	*p_extra = NULL;	/* string of extra chars, plus NUL */
+    char_u	*p_extra_free = NULL;   /* p_extra needs to be freed */
     int		c_extra = NUL;		/* extra chars, all the same */
     int		extra_attr = 0;		/* attributes when n_extra != 0 */
     static char_u *at_end_str = (char_u *)""; /* used for p_extra when
@@ -4053,6 +4054,11 @@ win_line(wp, lnum, startrow, endrow, noc
 	}
 	else
 	{
+	    if (p_extra_free != NULL)
+	    {
+		vim_free(p_extra_free);
+		p_extra_free = NULL;
+	    }
 	    /*
 	     * Get a character from the line itself.
 	     */
@@ -4424,8 +4430,7 @@ win_line(wp, lnum, startrow, endrow, noc
 		/*
 		 * Found last space before word: check for line break.
 		 */
-		if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr)
-							     && !wp->w_p_list)
+		if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr))
 		{
 		    char_u *p = ptr - (
 # ifdef FEAT_MBYTE
@@ -4433,7 +4438,7 @@ win_line(wp, lnum, startrow, endrow, noc
 # endif
 				1);
 		    /* TODO: is passing p for start of the line OK? */
-		    n_extra = win_lbr_chartabsize(wp, p, p, (colnr_T)vcol,
+		    n_extra = win_lbr_chartabsize(wp, line, p, (colnr_T)vcol,
 								    NULL) - 1;
 		    c_extra = ' ';
 		    if (vim_iswhite(c))
@@ -4443,7 +4448,8 @@ win_line(wp, lnum, startrow, endrow, noc
 			    /* See "Tab alignment" below. */
 			    FIX_FOR_BOGUSCOLS;
 #endif
-			c = ' ';
+			if (!wp->w_p_list)
+			    c = ' ';
 		    }
 		}
 #endif
@@ -4483,9 +4489,50 @@ win_line(wp, lnum, startrow, endrow, noc
 		 */
 		if (c == TAB && (!wp->w_p_list || lcs_tab1))
 		{
+		    int tab_len = 0;
 		    /* tab amount depends on current column */
-		    n_extra = (int)wp->w_buffer->b_p_ts
+		    tab_len = (int)wp->w_buffer->b_p_ts
 					- vcol % (int)wp->w_buffer->b_p_ts - 1;
+#ifdef FEAT_LINEBREAK
+		    if (!wp->w_p_lbr)
+#endif
+		    /* tab amount depends on current column */
+			n_extra = tab_len;
+#ifdef FEAT_LINEBREAK
+		    else
+		    {
+			char_u *p;
+			int	len = n_extra;
+			int	i;
+			int	saved_nextra = n_extra;
+
+			/* if n_extra > 0, it gives the number of chars, to
+			 * use for a tab, else we need to calculate the width
+			 * for a tab */
+#ifdef FEAT_MBYTE
+			len = (tab_len * mb_char2len(lcs_tab2));
+			if (n_extra > 0)
+			    len += n_extra - tab_len;
+#endif
+			c = lcs_tab1;
+			p = alloc((unsigned)(len + 1));
+			vim_memset(p, ' ', len);
+			p[len] = NUL;
+			p_extra_free = p;
+			for (i = 0; i < tab_len; i++)
+			{
+#ifdef FEAT_MBYTE
+			    mb_char2bytes(lcs_tab2, p);
+			    p += mb_char2len(lcs_tab2);
+			    n_extra += mb_char2len(lcs_tab2)
+						 - (saved_nextra > 0 ? 1 : 0);
+#else
+			    p[i] = lcs_tab2;
+#endif
+			}
+			p_extra = p_extra_free;
+		    }
+#endif
 #ifdef FEAT_CONCEAL
 		    /* Tab alignment should be identical regardless of
 		     * 'conceallevel' value. So tab compensates of all
@@ -4501,8 +4548,13 @@ win_line(wp, lnum, startrow, endrow, noc
 		    if (wp->w_p_list)
 		    {
 			c = lcs_tab1;
-			c_extra = lcs_tab2;
-			n_attr = n_extra + 1;
+#ifdef FEAT_LINEBREAK
+			if (wp->w_p_lbr)
+			    c_extra = NUL; /* using p_extra from above */
+			else
+#endif
+			    c_extra = lcs_tab2;
+			n_attr = tab_len + 1;
 			extra_attr = hl_attr(HLF_8);
 			saved_attr2 = char_attr; /* save current attr */
 #ifdef FEAT_MBYTE
@@ -4598,9 +4650,25 @@ win_line(wp, lnum, startrow, endrow, noc
 		    if ((dy_flags & DY_UHEX) && wp->w_p_rl)
 			rl_mirror(p_extra);	/* reverse "<12>" */
 #endif
-		    n_extra = byte2cells(c) - 1;
 		    c_extra = NUL;
-		    c = *p_extra++;
+#ifdef FEAT_LINEBREAK
+		    if (wp->w_p_lbr)
+		    {
+			char_u *p;
+
+			c = *p_extra;
+			p = alloc((unsigned)n_extra + 1);
+			vim_memset(p, ' ', n_extra);
+			STRNCPY(p, p_extra + 1, STRLEN(p_extra) - 1);
+			p[n_extra] = NUL;
+			p_extra_free = p_extra = p;
+		    }
+		    else
+#endif
+		    {
+			n_extra = byte2cells(c) - 1;
+			c = *p_extra++;
+		    }
 		    if (!attr_pri)
 		    {
 			n_attr = n_extra + 1;
diff --git a/src/testdir/Make_amiga.mak b/src/testdir/Make_amiga.mak
--- a/src/testdir/Make_amiga.mak
+++ b/src/testdir/Make_amiga.mak
@@ -38,6 +38,7 @@ SCRIPTS = test1.out test3.out test4.out 
 		test104.out test105.out test106.out test107.out \
 		test_autoformat_join.out \
 		test_breakindent.out \
+		test_listlbr.out \
 		test_eval.out \
 		test_options.out
 
@@ -165,5 +166,6 @@ test106.out: test106.in
 test107.out: test107.in
 test_autoformat_join.out: test_autoformat_join.in
 test_breakindent.out: test_breakindent.in
+test_listlbr.out: test_listlbr.in
 test_eval.out: test_eval.in
 test_options.out: test_options.in
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -37,6 +37,7 @@ SCRIPTS =	test3.out test4.out test5.out 
 		test105.out test106.out  test107.out\
 		test_autoformat_join.out \
 		test_breakindent.out \
+		test_listlbr \
 		test_eval.out \
 		test_options.out
 
diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -57,6 +57,7 @@ SCRIPTS =	test3.out test4.out test5.out 
 		test105.out test106.out test107.out \
 		test_autoformat_join.out \
 		test_breakindent.out \
+		test_listlbr.out \
 		test_eval.out \
 		test_options.out
 
diff --git a/src/testdir/Make_os2.mak b/src/testdir/Make_os2.mak
--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -40,6 +40,7 @@ SCRIPTS = test1.out test3.out test4.out 
 		test_autoformat_join.out \
 		test_eval.out \
 		test_breakindent.out \
+		test_listlbr.out \
 		test_options.out
 
 .SUFFIXES: .in .out
diff --git a/src/testdir/Make_vms.mms b/src/testdir/Make_vms.mms
--- a/src/testdir/Make_vms.mms
+++ b/src/testdir/Make_vms.mms
@@ -98,6 +98,7 @@ SCRIPT = test1.out  test2.out  test3.out
 	 test105.out test106.out test107.out \
 	 test_autoformat_join.out \
 	 test_breakindent.out \
+	 test_listlbr.out \
 	 test_eval.out \
 	 test_options.out
 
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -35,6 +35,7 @@ SCRIPTS = test1.out test2.out test3.out 
 		test104.out test105.out test106.out test107.out \
 		test_autoformat_join.out \
 		test_breakindent.out \
+		test_listlbr.out \
 		test_eval.out \
 		test_options.out
 
diff --git a/src/testdir/test_listlbr.in b/src/testdir/test_listlbr.in
new file mode 100644
--- /dev/null
+++ b/src/testdir/test_listlbr.in
@@ -0,0 +1,62 @@
+Test for linebreak and list option
+
+STARTTEST
+:so small.vim
+:if !exists("+linebreak") | e! test.ok | w! test.out | qa! | endif
+:10new|:vsp|:vert resize 20
+:put =\"\tabcdef hijklmn\tpqrstuvwxyz\u00a01060ABCDEFGHIJKLMNOP \"
+:norm! zt
+:set ts=4 sw=4 sts=4 linebreak sbr=+ wrap
+:fu! ScreenChar(width)
+:	let c=''
+:	for j in range(1,4)
+:	    for i in range(1,a:width)
+:	    	let c.=nr2char(screenchar(j, i))
+:	    endfor
+:           let c.="\n"
+:	endfor
+:	return c
+:endfu
+:fu! DoRecordScreen()
+:	wincmd l
+:	$put =printf(\"\n%s\", g:test)
+:	$put =g:line
+:	wincmd p
+:endfu
+:let g:test="Test 1: set linebreak"
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test="Test 2: set linebreak + set list"
+:set linebreak list listchars=
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 3: set linebreak + set list + fancy listchars"
+:exe "set linebreak list listchars=nbsp:\u2423,tab:\u2595\u2014,trail:\u02d1,eol:\ub6"
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 4: set linebreak nolist"
+:set nolist linebreak
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 5: set nolinebreak list"
+:set list nolinebreak
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 6: set linebreak with tab and 1 line as long as screen: should break!"
+:set nolist linebreak ts=8
+:let line="1\t".repeat('a', winwidth(0)-2)
+:$put =line
+:$
+:norm! zt
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:%w! test.out
+:qa!
+ENDTEST
+dummy text
diff --git a/src/testdir/test_listlbr.ok b/src/testdir/test_listlbr.ok
new file mode 100644
--- /dev/null
+++ b/src/testdir/test_listlbr.ok
@@ -0,0 +1,39 @@
+
+	abcdef hijklmn	pqrstuvwxyz 1060ABCDEFGHIJKLMNOP 
+
+Test 1: set linebreak
+    abcdef          
++hijklmn            
++pqrstuvwxyz 1060ABC
++DEFGHIJKLMNOP      
+
+Test 2: set linebreak + set list
+^Iabcdef hijklmn^I  
++pqrstuvwxyz 1060ABC
++DEFGHIJKLMNOP      
+                    
+
+Test 3: set linebreak + set list + fancy listchars
+▕———abcdef          
++hijklmn▕———        
++pqrstuvwxyz␣1060ABC
++DEFGHIJKLMNOPˑ¶    
+
+Test 4: set linebreak nolist
+    abcdef          
++hijklmn            
++pqrstuvwxyz 1060ABC
++DEFGHIJKLMNOP      
+
+Test 5: set nolinebreak list
+▕———abcdef hijklmn▕—
++pqrstuvwxyz␣1060ABC
++DEFGHIJKLMNOPˑ¶    
+¶                   
+1	aaaaaaaaaaaaaaaaaa
+
+Test 6: set linebreak with tab and 1 line as long as screen: should break!
+1                   
++aaaaaaaaaaaaaaaaaa 
+~                   
+~                   
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    353,
+/**/
     352,
 /**/
     351,