# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1589631306 -7200
# Node ID 8c98c74176acd067ef7302f185dd8076a76fed0f
# Parent  01fc745921c6d9539189a0806be2705f2dc88a1d
patch 8.2.0766: display error when using 'number' and 'breakindent'

Commit: https://github.com/vim/vim/commit/e882f7a73c8fa48707de71035eb0a7ccc6ac8548
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat May 16 14:07:39 2020 +0200

    patch 8.2.0766: display error when using 'number' and 'breakindent'

    Problem:    Display error when using 'number' and 'breakindent'.
    Solution:   Adjust extra spaces in the first row. (Ken Takata, closes https://github.com/vim/vim/issues/6089,
                closes #5986)

diff --git a/src/drawline.c b/src/drawline.c
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -1177,6 +1177,12 @@ win_line(
 		    c_final = NUL;
 		    n_extra = get_breakindent_win(wp,
 				       ml_get_buf(wp->w_buffer, lnum, FALSE));
+		    if (row == startrow)
+		    {
+			n_extra -= win_col_off2(wp);
+			if (n_extra < 0)
+			    n_extra = 0;
+		    }
 		    if (wp->w_skipcol > 0 && wp->w_p_wrap && wp->w_briopt_sbr)
 			need_showbreak = FALSE;
 		    // Correct end of highlighted area for 'breakindent',
diff --git a/src/testdir/test_breakindent.vim b/src/testdir/test_breakindent.vim
--- a/src/testdir/test_breakindent.vim
+++ b/src/testdir/test_breakindent.vim
@@ -696,4 +696,51 @@ func Test_breakindent19_sbr_nextpage()
   call s:close_windows('set breakindent& briopt& sbr&')
 endfunc
 
+func Test_breakindent20_cpo_n_nextpage()
+  let s:input = ""
+  call s:test_windows('setl breakindent briopt=min:14 cpo+=n number')
+  call setline(1, repeat('a', 200))
+  norm! 1gg
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "  1 aaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " Scroll down one screen line
+  setl scrolloff=5
+  norm! 5gj
+  redraw!
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "--1 aaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaaaaaaa",
+	\ "    aaaaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+
+  setl briopt+=shift:2
+  norm! 1gg
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "  1 aaaaaaaaaaaaaaaa",
+	\ "      aaaaaaaaaaaaaa",
+	\ "      aaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+  " Scroll down one screen line
+  norm! 5gj
+  let lines = s:screen_lines(1, 20)
+  let expect = [
+	\ "--1   aaaaaaaaaaaaaa",
+	\ "      aaaaaaaaaaaaaa",
+	\ "      aaaaaaaaaaaaaa",
+	\ ]
+  call s:compare_lines(expect, lines)
+
+  call s:close_windows('set breakindent& briopt& cpo& number&')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    766,
+/**/
     765,
 /**/
     764,