Merge 5b410d1e49 into 0dd933265f

runtime/colors/vim.lua

@@ -60,7 +60,6 @@ hi('PmenuMatch',     { link = 'Pmenu' })
 hi('PmenuMatchSel',  { link = 'PmenuSel' })
 hi('PmenuExtra',     { link = 'Pmenu' })
 hi('PmenuExtraSel',  { link = 'PmenuSel' })
-hi('ComplMatchIns',  { link = 'Normal' })
 hi('Substitute',     { link = 'Search' })
 hi('Whitespace',     { link = 'NonText' })
 hi('MsgSeparator',   { link = 'StatusLine' })

runtime/doc/fold.txt

@@ -101,8 +101,7 @@ The result of foldexpr then determines the fold level as follows:
   "<1", "<2", ..	a fold with this level ends at this line
   ">1", ">2", ..	a fold with this level starts at this line
 
-The result values "=", "s" and "a" are more expensive, please see
-|fold-expr-slow|.
+The result values "=", "s" and "a" are more expensive, please see |fold-expr-slow|.
 
 It is not required to mark the start (end) of a fold with ">1" ("<1"), a fold
 will also start (end) when the fold level is higher (lower) than the fold
@@ -142,7 +141,7 @@ end in that line.
 It may happen that folds are not updated properly.  You can use |zx| or |zX|
 to force updating folds.
 
-MINIMIZING COMPUTATIONAL COST				*fold-expr-slow*
+Minimizing Computational Cost			             *fold-expr-slow*
 
 Due to its computational cost, this fold method can make Vim unresponsive,
 especially when the fold level of all lines have to be initially computed.
@@ -150,15 +149,13 @@ Afterwards, after each change, Vim restricts the computation of foldlevels
 to those lines whose fold level was affected by it (and reuses the known
 foldlevels of all the others).
 
-The fold expression should therefore strive to minimize the number of
-dependent lines needed for the computation of a given line: For example, try
-to avoid the "=", "a" and "s" return values, because these will require the
-evaluation of the fold levels on previous lines until an independent fold
-level is found.
+The fold expression should therefore strive to minimize the number of dependent
+lines needed for the computation of a given line: For example, try to avoid the
+"=", "a" and "s" return values, because these will require the evaluation of the
+fold levels on previous lines until an independent fold level is found.
 
-If this proves difficult, the next best thing could be to cache all fold
-levels in a buffer-local variable (b:foldlevels) that is only updated on
-|b:changedtick|:
+If this proves difficult, the next best thing could be to cache all fold levels
+in a buffer-local variable (b:foldlevels) that is only updated on |b:changedtick|:
 >vim
   func MyFoldFunc()
     if b:lasttick == b:changedtick
@@ -409,8 +406,8 @@ zX		Undo manually opened and closed folds: re-apply 'foldlevel'.
 		Also forces recomputing folds, like |zx|.
 
 							*zm*
-zm		Fold more: Subtract |v:count1| from 'foldlevel'.  If
-		'foldlevel' was already zero nothing happens.
+zm		Fold more: Subtract |v:count1| from 'foldlevel'.  If 'foldlevel' was
+		already zero nothing happens.
 		'foldenable' will be set.
 
 							*zM*

runtime/doc/motion.txt

@@ -118,8 +118,8 @@ Note that when using ":" any motion becomes charwise exclusive.
 					*inclusive-motion-selection-exclusive*
 When 'selection' is "exclusive", |Visual| mode is active and an inclusive
 motion has been used, the cursor position will be adjusted by another
-character to the right, so that the Visual selection includes the expected
-text and can be acted upon.
+character to the right, so that visual selction includes the expected text and
+can be acted upon.
 
 								*forced-motion*
 FORCING A MOTION TO BE LINEWISE, CHARWISE OR BLOCKWISE

runtime/doc/news.txt

@@ -216,7 +216,6 @@ EDITOR
 • On Windows, filename arguments on the command-line prefixed with "~\" or
   "~/" are now expanded to the user's profile directory, not a relative path
   to a literal "~" directory.
-• |hl-ComplMatchIns| shows matched text of the currently inserted completion.
 • |hl-PmenuMatch| and |hl-PmenuMatchSel| show matched text in completion popup.
 • |:read:| reads the output of an Ex command into the buffer. Example:>
     :read :ls

runtime/doc/syntax.txt

@@ -5243,8 +5243,6 @@ PmenuMatch	Popup menu: Matched text in normal item. Combined with
 							*hl-PmenuMatchSel*
 PmenuMatchSel	Popup menu: Matched text in selected item. Combined with
 		|hl-PmenuMatch| and |hl-PmenuSel|.
-							*hl-ComplMatchIns*
-ComplMatchIns	Matched text of the currently inserted completion.
 							*hl-Question*
 Question	|hit-enter| prompt and yes/no questions.
 							*hl-QuickFixLine*

src/nvim/drawline.c

@@ -31,7 +31,6 @@
 #include "nvim/highlight_defs.h"
 #include "nvim/highlight_group.h"
 #include "nvim/indent.h"
-#include "nvim/insexpand.h"
 #include "nvim/mark_defs.h"
 #include "nvim/marktree_defs.h"
 #include "nvim/match.h"
@@ -935,7 +934,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
   colnr_T vcol_prev = -1;             // "wlv.vcol" of previous character
   ScreenGrid *grid = &wp->w_grid;     // grid specific to the window
 
-  const bool in_curline = wp == curwin && lnum == curwin->w_cursor.lnum;
   const bool has_fold = foldinfo.fi_level != 0 && foldinfo.fi_lines > 0;
   const bool has_foldtext = has_fold && *wp->w_p_fdt != NUL;
 
@@ -1119,7 +1117,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
       }
 
       // Check if the char under the cursor should be inverted (highlighted).
-      if (!highlight_match && in_curline
+      if (!highlight_match && lnum == curwin->w_cursor.lnum && wp == curwin
           && cursor_is_block_during_visual(*p_sel == 'e')) {
         noinvcur = true;
       }
@@ -1631,7 +1629,8 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
     }
 
     // When still displaying '$' of change command, stop at cursor.
-    if (dollar_vcol >= 0 && in_curline && wlv.vcol >= wp->w_virtcol) {
+    if (dollar_vcol >= 0 && wp == curwin
+        && lnum == wp->w_cursor.lnum && wlv.vcol >= wp->w_virtcol) {
       draw_virt_text(wp, buf, win_col_offset, &wlv.col, wlv.row);
       // don't clear anything after wlv.col
       wlv_put_linebuf(wp, &wlv, wlv.col, false, bg_attr, 0);
@@ -1787,16 +1786,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
       wlv.char_attr = hl_combine_attr(char_attr_base, char_attr_pri);
     }
 
-    // Apply ComplMatchIns highlight if needed.
-    if (wlv.filler_todo <= 0
-        && (State & MODE_INSERT) && in_curline && ins_compl_active()) {
-      int ins_match_attr = ins_compl_col_range_attr((int)(ptr - line));
-      if (ins_match_attr > 0) {
-        char_attr_pri = hl_combine_attr(char_attr_pri, ins_match_attr);
-        wlv.char_attr = hl_combine_attr(char_attr_base, char_attr_pri);
-      }
-    }
-
     if (draw_folded && has_foldtext && wlv.n_extra == 0 && wlv.col == win_col_offset) {
       const int v = (int)(ptr - line);
       linenr_T lnume = lnum + foldinfo.fi_lines - 1;
@@ -2457,7 +2446,8 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
     // With 'virtualedit' we may never reach cursor position, but we still
     // need to correct the cursor column, so do that at end of line.
     if (!did_wcol && wlv.filler_todo <= 0
-        && in_curline && conceal_cursor_line(wp)
+        && wp == curwin && lnum == wp->w_cursor.lnum
+        && conceal_cursor_line(wp)
         && (wlv.vcol + wlv.skip_cells >= wp->w_virtcol || mb_schar == NUL)) {
       wp->w_wcol = wlv.col - wlv.boguscols;
       if (wlv.vcol + wlv.skip_cells < wp->w_virtcol) {
@@ -2650,7 +2640,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
 
       // Update w_cline_height and w_cline_folded if the cursor line was
       // updated (saves a call to plines_win() later).
-      if (in_curline) {
+      if (wp == curwin && lnum == curwin->w_cursor.lnum) {
         curwin->w_cline_row = startrow;
         curwin->w_cline_height = wlv.row - startrow;
         curwin->w_cline_folded = has_fold;

src/nvim/highlight_group.c

@@ -173,7 +173,6 @@ static const char *highlight_init_both[] = {
   "default link PmenuKind        Pmenu",
   "default link PmenuKindSel     PmenuSel",
   "default link PmenuSbar        Pmenu",
-  "default link ComplMatchIns    Normal",
   "default link Substitute       Search",
   "default link StatusLineTerm   StatusLine",
   "default link StatusLineTermNC StatusLineNC",

src/nvim/insexpand.c

@@ -256,7 +256,6 @@ static pos_T compl_startpos;
 static int compl_length = 0;
 static colnr_T compl_col = 0;           ///< column where the text starts
                                         ///< that is being completed
-static colnr_T compl_ins_end_col = 0;
 static char *compl_orig_text = NULL;    ///< text as it was before
                                         ///< completion started
 /// Undo information to restore extmarks for original text.
@@ -283,11 +282,6 @@ static size_t spell_bad_len = 0;   // length of located bad word
 
 static int compl_selected_item = -1;
 
-// "compl_match_array" points the currently displayed list of entries in the
-// popup menu.  It is NULL when there is no popup menu.
-static pumitem_T *compl_match_array = NULL;
-static int compl_match_arraysize;
-
 /// CTRL-X pressed in Insert mode.
 void ins_ctrl_x(void)
 {
@@ -949,30 +943,6 @@ static bool ins_compl_equal(compl_T *match, char *str, size_t len)
   return strncmp(match->cp_str, str, len) == 0;
 }
 
-/// when len is -1 mean use whole length of p otherwise part of p
-static void ins_compl_insert_bytes(char *p, int len)
-  FUNC_ATTR_NONNULL_ALL
-{
-  if (len == -1) {
-    len = (int)strlen(p);
-  }
-  assert(len >= 0);
-  ins_bytes_len(p, (size_t)len);
-  compl_ins_end_col = curwin->w_cursor.col - 1;
-}
-
-/// Checks if the column is within the currently inserted completion text
-/// column range. If it is, it returns a special highlight attribute.
-/// -1 mean normal item.
-int ins_compl_col_range_attr(int col)
-{
-  if (col >= compl_col && col < compl_ins_end_col) {
-    return syn_name2attr("ComplMatchIns");
-  }
-
-  return -1;
-}
-
 /// Reduce the longest common string for match "match".
 static void ins_compl_longest_match(compl_T *match)
 {
@@ -982,7 +952,7 @@ static void ins_compl_longest_match(compl_T *match)
 
     bool had_match = (curwin->w_cursor.col > compl_col);
     ins_compl_delete(false);
-    ins_compl_insert_bytes(compl_leader + get_compl_len(), -1);
+    ins_bytes(compl_leader + get_compl_len());
     ins_redraw(false);
 
     // When the match isn't there (to avoid matching itself) remove it
@@ -1016,7 +986,7 @@ static void ins_compl_longest_match(compl_T *match)
     *p = NUL;
     bool had_match = (curwin->w_cursor.col > compl_col);
     ins_compl_delete(false);
-    ins_compl_insert_bytes(compl_leader + get_compl_len(), -1);
+    ins_bytes(compl_leader + get_compl_len());
     ins_redraw(false);
 
     // When the match isn't there (to avoid matching itself) remove it
@@ -1088,6 +1058,11 @@ unsigned get_cot_flags(void)
   return curbuf->b_cot_flags != 0 ? curbuf->b_cot_flags : cot_flags;
 }
 
+/// "compl_match_array" points the currently displayed list of entries in the
+/// popup menu.  It is NULL when there is no popup menu.
+static pumitem_T *compl_match_array = NULL;
+static int compl_match_arraysize;
+
 /// Remove any popup menu.
 static void ins_compl_del_pum(void)
 {
@@ -1703,7 +1678,6 @@ void ins_compl_clear(void)
   compl_cont_status = 0;
   compl_started = false;
   compl_matches = 0;
-  compl_ins_end_col = 0;
   XFREE_CLEAR(compl_pattern);
   compl_patternlen = 0;
   XFREE_CLEAR(compl_leader);
@@ -1828,7 +1802,7 @@ static void ins_compl_new_leader(void)
 {
   ins_compl_del_pum();
   ins_compl_delete(true);
-  ins_compl_insert_bytes(compl_leader + get_compl_len(), -1);
+  ins_bytes(compl_leader + get_compl_len());
   compl_used_match = false;
 
   if (compl_started) {
@@ -2163,7 +2137,7 @@ static bool ins_compl_stop(const int c, const int prev_mode, bool retval)
       const int compl_len = get_compl_len();
       const int len = (int)strlen(p);
       if (len > compl_len) {
-        ins_compl_insert_bytes(p + compl_len, len - compl_len);
+        ins_bytes_len(p + compl_len, (size_t)(len - compl_len));
       }
     }
     restore_orig_extmarks();
@@ -3665,7 +3639,7 @@ void ins_compl_insert(bool in_compl_func)
   // Make sure we don't go over the end of the string, this can happen with
   // illegal bytes.
   if (compl_len < (int)strlen(compl_shown_match->cp_str)) {
-    ins_compl_insert_bytes(compl_shown_match->cp_str + compl_len, -1);
+    ins_bytes(compl_shown_match->cp_str + compl_len);
   }
   compl_used_match = !match_at_original_text(compl_shown_match);
 
@@ -3914,15 +3888,14 @@ static int ins_compl_next(bool allow_get_expansion, int count, bool insert_match
 
   // Insert the text of the new completion, or the compl_leader.
   if (compl_no_insert && !started) {
-    ins_compl_insert_bytes(compl_orig_text + get_compl_len(), -1);
+    ins_bytes(compl_orig_text + get_compl_len());
     compl_used_match = false;
     restore_orig_extmarks();
   } else if (insert_match) {
     if (!compl_get_longest || compl_used_match) {
       ins_compl_insert(in_compl_func);
     } else {
-      assert(compl_leader != NULL);
-      ins_compl_insert_bytes(compl_leader + get_compl_len(), -1);
+      ins_bytes(compl_leader + get_compl_len());
     }
     if (!strcmp(compl_curr_match->cp_str, compl_orig_text)) {
       restore_orig_extmarks();

src/nvim/textformat.c

@@ -35,7 +35,6 @@
 #include "nvim/strings.h"
 #include "nvim/textformat.h"
 #include "nvim/textobject.h"
-#include "nvim/ui.h"
 #include "nvim/undo.h"
 #include "nvim/vim_defs.h"
 #include "nvim/window.h"
@@ -1050,18 +1049,12 @@ void format_lines(linenr_T line_count, bool avoid_fex)
         State = MODE_INSERT;         // for open_line()
         smd_save = p_smd;
         p_smd = false;
-
         insertchar(NUL, INSCHAR_FORMAT
                    + (do_comments ? INSCHAR_DO_COM : 0)
                    + (do_comments && do_comments_list ? INSCHAR_COM_LIST : 0)
                    + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent);
-
         State = old_State;
         p_smd = smd_save;
-        // Cursor shape may have been updated (e.g. by :normal) in insertchar(),
-        // so it needs to be updated here.
-        ui_cursor_shape();
-
         second_indent = -1;
         // at end of par.: need to set indent of next par.
         need_set_indent = is_end_par;

test/functional/ui/mode_spec.lua

@@ -94,46 +94,6 @@ describe('ui mode_change event', function()
     }
   end)
 
-  -- oldtest: Test_indent_norm_with_gq()
-  it('is restored to Normal mode after "gq" indents using :normal #12309', function()
-    screen:try_resize(60, 6)
-    n.exec([[
-      func Indent()
-        exe "normal! \<Ignore>"
-        return 0
-      endfunc
-
-      setlocal indentexpr=Indent()
-      call setline(1, [repeat('a', 80), repeat('b', 80)])
-    ]])
-
-    feed('ggVG')
-    screen:expect {
-      grid = [[
-      {17:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa}|
-      {17:aaaaaaaaaaaaaaaaaaaa}                                        |
-      ^b{17:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb}|
-      {17:bbbbbbbbbbbbbbbbbbbb}                                        |
-      {1:~                                                           }|
-      {5:-- VISUAL LINE --}                                           |
-    ]],
-      mode = 'visual',
-    }
-
-    feed('gq')
-    screen:expect {
-      grid = [[
-      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
-      aaaaaaaaaaaaaaaaaaaa                                        |
-      ^bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb|
-      bbbbbbbbbbbbbbbbbbbb                                        |
-      {1:~                                                           }|
-                                                                  |
-    ]],
-      mode = 'normal',
-    }
-  end)
-
   it('works in insert mode', function()
     feed('i')
     screen:expect {

test/functional/ui/popupmenu_spec.lua

@@ -5561,71 +5561,6 @@ describe('builtin popupmenu', function()
         ]])
         feed('<C-E><ESC>')
       end)
-
-      -- oldtest: Test_pum_matchins_highlight()
-      it('with ComplMatchIns highlight', function()
-        exec([[
-          func Omni_test(findstart, base)
-            if a:findstart
-              return col(".")
-            endif
-            return [#{word: "foo"}, #{word: "bar"}, #{word: "你好"}]
-          endfunc
-          set omnifunc=Omni_test
-          hi ComplMatchIns guifg=red
-        ]])
-
-        feed('Sαβγ <C-X><C-O>')
-        screen:expect([[
-          αβγ {8:foo}^                         |
-          {1:~  }{s: foo            }{1:             }|
-          {1:~  }{n: bar            }{1:             }|
-          {1:~  }{n: 你好           }{1:             }|
-          {1:~                               }|*15
-          {2:-- }{5:match 1 of 3}                 |
-        ]])
-        feed('<C-E><Esc>')
-
-        feed('Sαβγ <C-X><C-O><C-N>')
-        screen:expect([[
-          αβγ {8:bar}^                         |
-          {1:~  }{n: foo            }{1:             }|
-          {1:~  }{s: bar            }{1:             }|
-          {1:~  }{n: 你好           }{1:             }|
-          {1:~                               }|*15
-          {2:-- }{5:match 2 of 3}                 |
-        ]])
-        feed('<C-E><Esc>')
-
-        feed('Sαβγ <C-X><C-O><C-N><C-N>')
-        screen:expect([[
-          αβγ {8:你好}^                        |
-          {1:~  }{n: foo            }{1:             }|
-          {1:~  }{n: bar            }{1:             }|
-          {1:~  }{s: 你好           }{1:             }|
-          {1:~                               }|*15
-          {2:-- }{5:match 3 of 3}                 |
-        ]])
-        feed('<C-E><Esc>')
-
-        -- restore after accept
-        feed('Sαβγ <C-X><C-O><C-Y>')
-        screen:expect([[
-          αβγ foo^                         |
-          {1:~                               }|*18
-          {2:-- INSERT --}                    |
-        ]])
-        feed('<Esc>')
-
-        -- restore after cancel completion
-        feed('Sαβγ <C-X><C-O><Space>')
-        screen:expect([[
-          αβγ foo ^                        |
-          {1:~                               }|*18
-          {2:-- INSERT --}                    |
-        ]])
-        feed('<Esc>')
-      end)
     end
   end
 

test/old/testdir/test_indent.vim

@@ -1,8 +1,5 @@
 " Test for various indent options
 
-source shared.vim
-source check.vim
-
 func Test_preserveindent()
   new
   " Test for autoindent copying indent from the previous line
@@ -306,50 +303,4 @@ func Test_indent_overflow_count2()
   close!
 endfunc
 
-" Test that mouse shape is restored to Normal mode after using "gq" when
-" 'indentexpr' executes :normal.
-func Test_indent_norm_with_gq()
-  CheckFeature mouseshape
-  CheckCanRunGui
-
-  let lines =<< trim END
-    func Indent()
-      exe "normal! \<Ignore>"
-      return 0
-    endfunc
-
-    setlocal indentexpr=Indent()
-  END
-  call writefile(lines, 'Xindentexpr.vim', 'D')
-
-  let lines =<< trim END
-    vim9script
-    var mouse_shapes = []
-
-    setline(1, [repeat('a', 80), repeat('b', 80)])
-
-    feedkeys('ggVG')
-    timer_start(50, (_) => {
-      mouse_shapes += [getmouseshape()]
-      timer_start(50, (_) => {
-        feedkeys('gq')
-        timer_start(50, (_) => {
-          mouse_shapes += [getmouseshape()]
-          timer_start(50, (_) => {
-            writefile(mouse_shapes, 'Xmouseshapes')
-            quit!
-          })
-        })
-      })
-    })
-  END
-  call writefile(lines, 'Xmouseshape.vim', 'D')
-
-  call RunVim([], [], "-g -S Xindentexpr.vim -S Xmouseshape.vim")
-  call WaitForAssert({-> assert_equal(['rightup-arrow', 'arrow'],
-        \ readfile('Xmouseshapes'))}, 300)
-
-  call delete('Xmouseshapes')
-endfunc
-
 " vim: shiftwidth=2 sts=2 expandtab

test/old/testdir/test_popup.vim

@@ -1713,49 +1713,4 @@ func Test_pum_keep_select()
   call StopVimInTerminal(buf)
 endfunc
 
-func Test_pum_matchins_highlight()
-  CheckScreendump
-  let lines =<< trim END
-    func Omni_test(findstart, base)
-      if a:findstart
-        return col(".")
-      endif
-      return [#{word: "foo"}, #{word: "bar"}, #{word: "你好"}]
-    endfunc
-    set omnifunc=Omni_test
-    hi ComplMatchIns ctermfg=red
-  END
-  call writefile(lines, 'Xscript', 'D')
-  let buf = RunVimInTerminal('-S Xscript', {})
-
-  call TermWait(buf)
-  call term_sendkeys(buf, "Sαβγ \<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_matchins_01', {})
-  call term_sendkeys(buf, "\<C-E>\<Esc>")
-
-  call TermWait(buf)
-  call term_sendkeys(buf, "Sαβγ \<C-X>\<C-O>\<C-N>")
-  call VerifyScreenDump(buf, 'Test_pum_matchins_02', {})
-  call term_sendkeys(buf, "\<C-E>\<Esc>")
-
-  call TermWait(buf)
-  call term_sendkeys(buf, "Sαβγ \<C-X>\<C-O>\<C-N>\<C-N>")
-  call VerifyScreenDump(buf, 'Test_pum_matchins_03', {})
-  call term_sendkeys(buf, "\<C-E>\<Esc>")
-
-  " restore after accept
-  call TermWait(buf)
-  call term_sendkeys(buf, "Sαβγ \<C-X>\<C-O>\<C-Y>")
-  call VerifyScreenDump(buf, 'Test_pum_matchins_04', {})
-  call term_sendkeys(buf, "\<C-E>\<Esc>")
-
-  " restore after cancel completion
-  call TermWait(buf)
-  call term_sendkeys(buf, "Sαβγ \<C-X>\<C-O>\<Space>")
-  call VerifyScreenDump(buf, 'Test_pum_matchins_05', {})
-  call term_sendkeys(buf, "\<C-E>\<Esc>")
-
-  call StopVimInTerminal(buf)
-endfunc
-
 " vim: shiftwidth=2 sts=2 expandtab

test/old/testdir/test_preview.vim

@@ -59,8 +59,7 @@ func Test_window_preview_terminal()
   CheckFeature quickfix
   " CheckFeature terminal
 
-  " term ++curwin
-  term
+  term " ++curwin
   const buf_num = bufnr('$')
   call assert_equal(1, winnr('$'))
   exe 'pbuffer' . buf_num