updated for version 7.4.416
Problem:    Problem with breakindent/showbreak and tabs.
Solution:   Handle tabs differently. (Christian Brabandt)
diff --git a/src/charset.c b/src/charset.c
index e7aabe7..fcc41ec 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1195,10 +1195,7 @@
 	    if (wp->w_p_bri)
 		added += get_breakindent_win(wp, line);
 
-	    if (tab_corr)
-		size += (added / wp->w_buffer->b_p_ts) * wp->w_buffer->b_p_ts;
-	    else
-		size += added;
+	    size += added;
 	    if (col != 0)
 		added = 0;
 	}
diff --git a/src/testdir/test_breakindent.in b/src/testdir/test_breakindent.in
index 8f40e4f..79e25f7 100644
--- a/src/testdir/test_breakindent.in
+++ b/src/testdir/test_breakindent.in
@@ -73,6 +73,23 @@
 :let width = strlen(text[1:])+indent(2)*4+strlen(&sbr)*3 " text wraps 3 times
 :$put =g:test
 :$put =printf(\"strdisplaywidth: %d == calculated: %d\", strdisplaywidth(text), width)
+:"
+:" Test, that the string "    a\tb\tc\td\te" is correctly
+:" displayed in a 20 column wide window (see bug report
+:" https://groups.google.com/d/msg/vim_dev/ZOdg2mc9c9Y/TT8EhFjEy0IJ
+:only
+:vert 20new
+:set all& nocp breakindent briopt=min:10
+:call setline(1, ["    a\tb\tc\td\te", "    z   y       x       w       v"])
+:/^\s*a
+fbgjyl:let line1 = @0
+:?^\s*z
+fygjyl:let line2 = @0
+:quit!
+:$put ='Test 12: breakindent with wrapping Tab'
+:$put =line1
+:$put =line2
+:"
 :%w! test.out
 :qa!
 ENDTEST
diff --git a/src/testdir/test_breakindent.ok b/src/testdir/test_breakindent.ok
index 723cb25..d89d424 100644
--- a/src/testdir/test_breakindent.ok
+++ b/src/testdir/test_breakindent.ok
@@ -53,3 +53,6 @@
 
  Test 11: strdisplaywidth when breakindent is on
 strdisplaywidth: 46 == calculated: 64
+Test 12: breakindent with wrapping Tab
+d
+w
diff --git a/src/version.c b/src/version.c
index 15b676c..01b9082 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    416,
+/**/
     415,
 /**/
     414,