updated for version 7.4.422
Problem:    When using conceal with linebreak some text is not displayed
            correctly. (GrĂ¼ner Gimpel)
Solution:   Check for conceal mode when using linebreak. (Christian Brabandt)
diff --git a/src/testdir/test_listlbr.in b/src/testdir/test_listlbr.in
index 0cce4c2..2f28126 100644
--- a/src/testdir/test_listlbr.in
+++ b/src/testdir/test_listlbr.in
@@ -46,6 +46,16 @@
 :redraw!
 :let line=ScreenChar(winwidth(0))
 :call DoRecordScreen()
+:let line="_S_\t bla"
+:$put =line
+:$
+:norm! zt
+:let g:test ="Test 5: set linebreak with conceal and set list and tab displayed by different char (line may not be truncated)"
+:set cpo&vim list linebreak conceallevel=2 concealcursor=nv listchars=tab:ab
+:syn match ConcealVar contained /_/ conceal
+:syn match All /.*/ contains=ConcealVar
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
 :%w! test.out
 :qa!
 ENDTEST
diff --git a/src/testdir/test_listlbr.ok b/src/testdir/test_listlbr.ok
index be323d4..9b8037f 100644
--- a/src/testdir/test_listlbr.ok
+++ b/src/testdir/test_listlbr.ok
@@ -25,3 +25,10 @@
 +aaaaaaaaaaaaaaaaaa 
 ~                   
 ~                   
+_S_	 bla
+
+Test 5: set linebreak with conceal and set list and tab displayed by different char (line may not be truncated)
+Sabbbbbb bla        
+~                   
+~                   
+~