patch 8.0.1397: pattern with \& following nothing gives an error

Problem:    Pattern with \& following nothing gives an error.
Solution:   Emit an empty node when needed.

runtime/colors/README.txt

@@ -64,6 +64,7 @@ Search for "highlight_init".
 If you think you have a color scheme that is good enough to be used by others,
 please check the following items:
 
+- Source the check_colors.vim script to check for common mistakes.
 - Does it work in a color terminal as well as in the GUI?
 - Is "g:colors_name" set to a meaningful value?  In case of doubt you can do
   it this way:

runtime/colors/check_colors.vim

@@ -0,0 +1,136 @@
+" This script tests a color scheme for some errors. Load the scheme and source
+" this script. e.g. :e colors/desert.vim | :so test_colors.vim
+" Will output possible errors.
+
+let s:save_cpo= &cpo
+set cpo&vim
+
+func! Test_check_colors()
+  call cursor(1,1)
+  let err={}
+
+  " 1) Check g:colors_name is existing
+  if !search('\<\%(g:\)\?colors_name\>', 'cnW')
+    let err['colors_name'] = 'g:colors_name not set'
+  else
+    let err['colors_name'] = 'OK'
+  endif
+
+  " 2) Check for some well-defined highlighting groups
+  " Some items, check several groups, e.g. Diff, Spell
+  let hi_groups = ['ColorColumn', 'Diff', 'ErrorMsg', 'Folded',
+        \ 'FoldColumn', 'IncSearch', 'LineNr', 'ModeMsg', 'MoreMsg', 'NonText',
+        \ 'Normal', 'Pmenu', 'Todo', 'Search', 'Spell', 'StatusLine', 'TabLine',
+        \ 'Title', 'Visual', 'WarningMsg', 'WildMenu']
+  let groups={}
+  for group in hi_groups
+    if search('\c@suppress\s\+'.group, 'cnW')
+      " skip check, if the script contains a line like
+      " @suppress Visual:
+      let groups[group] = 'Ignoring '.group
+      continue
+    endif
+    if !search('hi\%[ghlight] \+'.group, 'cnW')
+      let groups[group] = 'No highlight definition for '.group
+      continue
+    endif
+    if !search('hi\%[ghlight] \+'.group. '.*fg=', 'cnW')
+      let groups[group] = 'Missing foreground color for '.group
+      continue
+    endif
+    if search('hi\%[ghlight] \+'.group. '.*guibg=', 'cnW') &&
+        \ !search('hi\%[ghlight] \+'.group. '.*ctermbg=', 'cnW')
+      let groups[group] = 'Missing bg terminal color for '.group
+      continue
+    endif
+    call search('hi\%[ghlight] \+'.group, 'cW')
+    " only check in the current line
+    if !search('guifg', 'cnW', line('.'))   || !search('ctermfg', 'cnW', line('.'))
+      " do not check for background colors, they could be intentionally left out
+      let groups[group] = 'Missing fg definition for '.group
+    endif
+    call cursor(1,1)
+  endfor
+  let err['highlight'] = groups
+
+  " 3) Check, that it does not set background highlighting
+  " Doesn't ':hi Normal ctermfg=253 ctermfg=233' also set the background sometimes?
+  let bg_set='\(set\?\|setl\(ocal\)\?\) .*\(background\|bg\)=\(dark\|light\)'
+  let bg_let='let \%([&]\%([lg]:\)\?\)\%(background\|bg\)\s*=\s*\([''"]\?\)\w\+\1'
+  let bg_pat='\%('.bg_set. '\|'.bg_let.'\)'
+  let line=search(bg_pat, 'cnW')
+  if search(bg_pat, 'cnW')
+    exe line
+    if search('hi \U\w\+\s\+\S', 'cbnW')
+      let err['background'] = 'Should not set background option after :hi statement'
+    endif
+  else
+    let err['background'] = 'OK'
+  endif
+  call cursor(1,1)
+
+  " 4) Check, that t_Co is checked
+  let pat = '[&]t_Co\s*[<>=]=\?\s*\d\+'
+  if !search(pat, 'ncW')
+    let err['t_Co'] = 'Does not check terminal for capable colors'
+  endif
+
+  " 5) Initializes correctly, e.g. should have a section like
+  " hi clear
+  " if exists("syntax_on")
+  " syntax reset
+  " endif
+  let pat='hi\%[ghlight]\s*clear\n\s*if\s*exists(\([''"]\)syntax_on\1)\n\s*syn\%[tax]\s*reset\n\s*endif'
+  if !search(pat, 'cnW')
+    let err['init'] = 'No initialization'
+  endif
+
+  " 6) Does not use :syn on
+  if search('syn\%[tax]\s\+on', 'cnW')
+    let err['background'] = 'Should not issue :syn on'
+  endif
+
+  " 7) Does not define filetype specfic groups like vimCommand, htmlTag,
+  let hi_groups = ['vim', 'html', 'python', 'sh', 'ruby']
+  for group in hi_groups
+    let pat='\Chi\%[ghlight]\s*\zs'.group.'\w\+\>'
+    if search(pat, 'cnW')
+      let line = search(pat, 'cW')
+      let err['filetype'] = get(err, 'filetype', 'Should not define: ') . matchstr(getline('.'), pat). ' '
+    endif
+    call cursor(1,1)
+  endfor
+  let g:err = err
+
+  " print Result
+  call Result(err)
+endfu
+
+fu! Result(err)
+  let do_roups = 0
+  echohl Title|echomsg "---------------"|echohl Normal
+  for key in sort(keys(a:err))
+    if key is# 'highlight'
+      let do_groups = 1
+      continue
+    else
+      if a:err[key] !~ 'OK'
+        echohl Title
+      endif
+      echomsg printf("%15s: %s", key, a:err[key])
+      echohl Normal
+    endif
+  endfor
+  echohl Title|echomsg "---------------"|echohl Normal
+  if do_groups
+    echohl Title | echomsg "Groups" | echohl Normal
+    for v1 in sort(keys(a:err['highlight']))
+      echomsg printf("%25s: %s", v1, a:err['highlight'][v1])
+    endfor
+  endif
+endfu
+
+call Test_check_colors()
+
+let &cpo = s:save_cpo
+unlet s:save_cpo

runtime/doc/autocmd.txt

@@ -330,6 +330,7 @@ Name			triggered by ~
 
 |TextChanged|		after a change was made to the text in Normal mode
 |TextChangedI|		after a change was made to the text in Insert mode
+|TextYankPost|		after text is yanked or deleted
 
 |ColorScheme|		after loading a color scheme
 
@@ -956,6 +957,26 @@ TextChangedI			After a change was made to the text in the
 				current buffer in Insert mode.
 				Not triggered when the popup menu is visible.
 				Otherwise the same as TextChanged.
+							|TextYankPost|
+TextYankPost			After text has been yanked or deleted in the
+				current buffer.  The following values of
+				|v:event| can be used to determine the operation
+				that triggered this autocmd:
+				   operator    	The operation performed.
+				   regcontents 	Text that was stored in the
+						register, as a list of lines,
+						like with: >
+						getreg(r, 1, 1)
+<				   regname	Name of the |register| or
+						empty string for the unnamed
+						register.
+				   regtype	Type of the register, see
+						|getregtype()|.
+				Not triggered when |quote_| is used nor when
+				called recursively.
+				It is not allowed to change the buffer text,
+				see |textlock|.
+
 							*User*
 User				Never executed automatically.  To be used for
 				autocommands that are only executed with

runtime/doc/eval.txt

@@ -1554,6 +1554,12 @@ v:errors	Errors found by assert functions, such as |assert_true()|.
 <		If v:errors is set to anything but a list it is made an empty
 		list by the assert function.
 
+					*v:event* *event-variable*
+v:event		Dictionary containing information about the current
+		|autocommand|.  The dictionary is emptied when the |autocommand|
+		finishes, please refer to |dict-identity| for how to get an
+		independent copy of it.
+
 					*v:exception* *exception-variable*
 v:exception	The value of the exception most recently caught and not
 		finished.  See also |v:throwpoint| and |throw-variables|.

src/auto/configure

@@ -7514,7 +7514,7 @@ $as_echo "defaulting to no" >&6; }
 $as_echo "no" >&6; }
   fi
 fi
-if test "$enable_terminal" = "yes"; then
+if test "$enable_terminal" = "yes" -a "$enable_channel" = "yes"; then
   $as_echo "#define FEAT_TERMINAL 1" >>confdefs.h
 
   TERM_SRC="libvterm/src/encoding.c libvterm/src/keyboard.c libvterm/src/mouse.c libvterm/src/parser.c libvterm/src/pen.c libvterm/src/screen.c libvterm/src/state.c libvterm/src/unicode.c libvterm/src/vterm.c"

src/configure.ac

@@ -2059,7 +2059,7 @@ else
     AC_MSG_RESULT(no)
   fi
 fi
-if test "$enable_terminal" = "yes"; then
+if test "$enable_terminal" = "yes" -a "$enable_channel" = "yes"; then
   AC_DEFINE(FEAT_TERMINAL)
   TERM_SRC="libvterm/src/encoding.c libvterm/src/keyboard.c libvterm/src/mouse.c libvterm/src/parser.c libvterm/src/pen.c libvterm/src/screen.c libvterm/src/state.c libvterm/src/unicode.c libvterm/src/vterm.c"
   AC_SUBST(TERM_SRC)

src/dict.c

@@ -47,6 +47,16 @@ dict_alloc(void)
     return d;
 }
 
+    dict_T *
+dict_alloc_lock(int lock)
+{
+    dict_T *d = dict_alloc();
+
+    if (d != NULL)
+	d->dv_lock = lock;
+    return d;
+}
+
 /*
  * Allocate an empty dict for a return value.
  * Returns OK or FAIL.
@@ -54,13 +64,12 @@ dict_alloc(void)
     int
 rettv_dict_alloc(typval_T *rettv)
 {
-    dict_T	*d = dict_alloc();
+    dict_T	*d = dict_alloc_lock(0);
 
     if (d == NULL)
 	return FAIL;
 
     rettv_dict_set(rettv, d);
-    rettv->v_lock = 0;
     return OK;
 }
 
@@ -80,7 +89,7 @@ rettv_dict_set(typval_T *rettv, dict_T *d)
  * Free a Dictionary, including all non-container items it contains.
  * Ignores the reference count.
  */
-    static void
+    void
 dict_free_contents(dict_T *d)
 {
     int		todo;
@@ -102,6 +111,8 @@ dict_free_contents(dict_T *d)
 	    --todo;
 	}
     }
+
+    /* The hashtab is still locked, it has to be re-initialized anyway */
     hash_clear(&d->dv_hashtab);
 }
 
@@ -846,4 +857,23 @@ dict_list(typval_T *argvars, typval_T *rettv, int what)
     }
 }
 
+/*
+ * Make each item in the dict readonly (not the value of the item).
+ */
+    void
+dict_set_items_ro(dict_T *di)
+{
+    int		todo = (int)di->dv_hashtab.ht_used;
+    hashitem_T	*hi;
+
+    /* Set readonly */
+    for (hi = di->dv_hashtab.ht_array; todo > 0 ; ++hi)
+    {
+	if (HASHITEM_EMPTY(hi))
+	    continue;
+	--todo;
+	HI2DI(hi)->di_flags |= DI_FLAGS_RO | DI_FLAGS_FIX;
+    }
+}
+
 #endif /* defined(FEAT_EVAL) */

src/eval.c

@@ -192,6 +192,7 @@ static struct vimvar
     {VV_NAME("termu7resp",	 VAR_STRING), VV_RO},
     {VV_NAME("termstyleresp",	VAR_STRING), VV_RO},
     {VV_NAME("termblinkresp",	VAR_STRING), VV_RO},
+    {VV_NAME("event",		VAR_DICT), VV_RO},
 };
 
 /* shorthand */
@@ -319,8 +320,9 @@ eval_init(void)
 
     set_vim_var_nr(VV_SEARCHFORWARD, 1L);
     set_vim_var_nr(VV_HLSEARCH, 1L);
-    set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc());
+    set_vim_var_dict(VV_COMPLETED_ITEM, dict_alloc_lock(VAR_FIXED));
     set_vim_var_list(VV_ERRORS, list_alloc());
+    set_vim_var_dict(VV_EVENT, dict_alloc_lock(VAR_FIXED));
 
     set_vim_var_nr(VV_FALSE, VVAL_FALSE);
     set_vim_var_nr(VV_TRUE, VVAL_TRUE);
@@ -6632,6 +6634,16 @@ get_vim_var_list(int idx)
     return vimvars[idx].vv_list;
 }
 
+/*
+ * Get Dict v: variable value.  Caller must take care of reference count when
+ * needed.
+ */
+    dict_T *
+get_vim_var_dict(int idx)
+{
+    return vimvars[idx].vv_dict;
+}
+
 /*
  * Set v:char to character "c".
  */
@@ -6706,25 +6718,13 @@ set_vim_var_list(int idx, list_T *val)
     void
 set_vim_var_dict(int idx, dict_T *val)
 {
-    int		todo;
-    hashitem_T	*hi;
-
     clear_tv(&vimvars[idx].vv_di.di_tv);
     vimvars[idx].vv_type = VAR_DICT;
     vimvars[idx].vv_dict = val;
     if (val != NULL)
     {
 	++val->dv_refcount;
-
-	/* Set readonly */
-	todo = (int)val->dv_hashtab.ht_used;
-	for (hi = val->dv_hashtab.ht_array; todo > 0 ; ++hi)
-	{
-	    if (HASHITEM_EMPTY(hi))
-		continue;
-	    --todo;
-	    HI2DI(hi)->di_flags |= DI_FLAGS_RO | DI_FLAGS_FIX;
-	}
+	dict_set_items_ro(val);
     }
 }
 

src/ex_getln.c

@@ -172,6 +172,22 @@ abandon_cmdline(void)
     redraw_cmdline = TRUE;
 }
 
+/*
+ * Guess that the pattern matches everything.  Only finds specific cases, such
+ * as a trailing \|, which can happen while typing a pattern.
+ */
+    static int
+empty_pattern(char_u *p)
+{
+    int n = STRLEN(p);
+
+    /* remove trailing \v and the like */
+    while (n >= 2 && p[n - 2] == '\\'
+			  && vim_strchr((char_u *)"mMvVcCZ", p[n - 1]) != NULL)
+	n -= 2;
+    return n == 0 || (n >= 2 && p[n - 2] == '\\' && p[n - 1] == '|');
+}
+
 /*
  * getcmdline() - accept a command line starting with firstc.
  *
@@ -1794,11 +1810,11 @@ getcmdline(
 # endif
 			old_botline = curwin->w_botline;
 			update_screen(NOT_VALID);
-			restore_last_search_pattern();
 			redrawcmdline();
 		    }
 		    else
 			vim_beep(BO_ERROR);
+		    restore_last_search_pattern();
 		    goto cmdline_not_changed;
 		}
 		break;
@@ -2023,6 +2039,11 @@ cmdline_changed:
 	    else
 		end_pos = curwin->w_cursor; /* shutup gcc 4 */
 
+	    /* Disable 'hlsearch' highlighting if the pattern matches
+	     * everything. Avoids a flash when typing "foo\|". */
+	    if (empty_pattern(ccline.cmdbuff))
+		SET_NO_HLSEARCH(TRUE);
+
 	    validate_cursor();
 	    /* May redraw the status line to show the cursor position. */
 	    if (p_ru && curwin->w_status_height > 0)

src/fileio.c

@@ -6478,6 +6478,7 @@ buf_modname(
 /*
  * Like fgets(), but if the file line is too long, it is truncated and the
  * rest of the line is thrown away.  Returns TRUE for end-of-file.
+ * If the line is truncated then buf[size - 2] will not be NUL.
  */
     int
 vim_fgets(char_u *buf, int size, FILE *fp)
@@ -7856,6 +7857,7 @@ static struct event_name
     {"WinEnter",	EVENT_WINENTER},
     {"WinLeave",	EVENT_WINLEAVE},
     {"VimResized",	EVENT_VIMRESIZED},
+    {"TextYankPost",	EVENT_TEXTYANKPOST},
     {NULL,		(event_T)0}
 };
 
@@ -9399,6 +9401,15 @@ has_funcundefined(void)
     return (first_autopat[(int)EVENT_FUNCUNDEFINED] != NULL);
 }
 
+/*
+ * Return TRUE when there is a TextYankPost autocommand defined.
+ */
+    int
+has_textyankpost(void)
+{
+    return (first_autopat[(int)EVENT_TEXTYANKPOST] != NULL);
+}
+
 /*
  * Execute autocommands for "event" and file name "fname".
  * Return TRUE if some commands were executed.

src/ops.c

@@ -1645,6 +1645,63 @@ shift_delete_registers()
     y_regs[1].y_array = NULL;		/* set register one to empty */
 }
 
+    static void
+yank_do_autocmd(oparg_T *oap, yankreg_T *reg)
+{
+    static int	recursive = FALSE;
+    dict_T	*v_event;
+    list_T	*list;
+    int		n;
+    char_u	buf[NUMBUFLEN + 2];
+    long	reglen = 0;
+
+    if (recursive)
+	return;
+
+    v_event = get_vim_var_dict(VV_EVENT);
+
+    list = list_alloc();
+    for (n = 0; n < reg->y_size; n++)
+	list_append_string(list, reg->y_array[n], -1);
+    list->lv_lock = VAR_FIXED;
+    dict_add_list(v_event, "regcontents", list);
+
+    buf[0] = (char_u)oap->regname;
+    buf[1] = NUL;
+    dict_add_nr_str(v_event, "regname", 0, buf);
+
+    buf[0] = get_op_char(oap->op_type);
+    buf[1] = get_extra_op_char(oap->op_type);
+    buf[2] = NUL;
+    dict_add_nr_str(v_event, "operator", 0, buf);
+
+    buf[0] = NUL;
+    buf[1] = NUL;
+    switch (get_reg_type(oap->regname, &reglen))
+    {
+	case MLINE: buf[0] = 'V'; break;
+	case MCHAR: buf[0] = 'v'; break;
+	case MBLOCK:
+		vim_snprintf((char *)buf, sizeof(buf), "%c%ld", Ctrl_V,
+			     reglen + 1);
+		break;
+    }
+    dict_add_nr_str(v_event, "regtype", 0, buf);
+
+    /* Lock the dictionary and its keys */
+    dict_set_items_ro(v_event);
+
+    recursive = TRUE;
+    textlock++;
+    apply_autocmds(EVENT_TEXTYANKPOST, NULL, NULL, FALSE, curbuf);
+    textlock--;
+    recursive = FALSE;
+
+    /* Empty the dictionary, v:event is still valid */
+    dict_free_contents(v_event);
+    hash_init(&v_event->dv_hashtab);
+}
+
 /*
  * Handle a delete operation.
  *
@@ -1798,6 +1855,11 @@ op_delete(oparg_T *oap)
 		return FAIL;
 	    }
 	}
+
+#ifdef FEAT_AUTOCMD
+	if (did_yank && has_textyankpost())
+	    yank_do_autocmd(oap, y_current);
+#endif
     }
 
     /*
@@ -3270,6 +3332,11 @@ op_yank(oparg_T *oap, int deleting, int mess)
 # endif
 #endif
 
+#ifdef FEAT_AUTOCMD
+    if (!deleting && has_textyankpost())
+	yank_do_autocmd(oap, y_current);
+#endif
+
     return OK;
 
 fail:		/* free the allocated lines */

src/proto/dict.pro

@@ -1,7 +1,9 @@
 /* dict.c */
 dict_T *dict_alloc(void);
+dict_T *dict_alloc_lock(int lock);
 int rettv_dict_alloc(typval_T *rettv);
 void rettv_dict_set(typval_T *rettv, dict_T *d);
+void dict_free_contents(dict_T *d);
 void dict_unref(dict_T *d);
 int dict_free_nonref(int copyID);
 void dict_free_items(int copyID);
@@ -23,4 +25,5 @@ void dict_extend(dict_T *d1, dict_T *d2, char_u *action);
 dictitem_T *dict_lookup(hashitem_T *hi);
 int dict_equal(dict_T *d1, dict_T *d2, int ic, int recursive);
 void dict_list(typval_T *argvars, typval_T *rettv, int what);
+void dict_set_items_ro(dict_T *di);
 /* vim: set ft=c : */

src/proto/eval.pro

@@ -64,6 +64,7 @@ void set_vim_var_nr(int idx, varnumber_T val);
 varnumber_T get_vim_var_nr(int idx);
 char_u *get_vim_var_str(int idx);
 list_T *get_vim_var_list(int idx);
+dict_T * get_vim_var_dict(int idx);
 void set_vim_var_char(int c);
 void set_vcount(long count, long count1, int set_prevcount);
 void set_vim_var_string(int idx, char_u *val, int len);

src/proto/fileio.pro

@@ -51,6 +51,7 @@ int has_textchangedI(void);
 int has_insertcharpre(void);
 int has_cmdundefined(void);
 int has_funcundefined(void);
+int has_textyankpost(void);
 void block_autocmds(void);
 void unblock_autocmds(void);
 int is_autocmd_blocked(void);

src/regexp_nfa.c

@@ -2321,7 +2321,6 @@ nfa_regconcat(void)
     static int
 nfa_regbranch(void)
 {
-    int		ch;
     int		old_post_pos;
 
     old_post_pos = (int)(post_ptr - post_start);
@@ -2330,11 +2329,13 @@ nfa_regbranch(void)
     if (nfa_regconcat() == FAIL)
 	return FAIL;
 
-    ch = peekchr();
     /* Try next concats */
-    while (ch == Magic('&'))
+    while (peekchr() == Magic('&'))
     {
 	skipchr();
+	/* if concat is empty do emit a node */
+	if (old_post_pos == (int)(post_ptr - post_start))
+	    EMIT(NFA_EMPTY);
 	EMIT(NFA_NOPEN);
 	EMIT(NFA_PREV_ATOM_NO_WIDTH);
 	old_post_pos = (int)(post_ptr - post_start);
@@ -2344,7 +2345,6 @@ nfa_regbranch(void)
 	if (old_post_pos == (int)(post_ptr - post_start))
 	    EMIT(NFA_EMPTY);
 	EMIT(NFA_CONCAT);
-	ch = peekchr();
     }
 
     /* if a branch is empty, emit one node for it */

src/testdir/test_autocmd.vim

@@ -1124,3 +1124,42 @@ func Test_Filter_noshelltemp()
   let &shelltemp = shelltemp
   bwipe!
 endfunc
+
+func Test_TextYankPost()
+  enew!
+  call setline(1, ['foo'])
+
+  let g:event = []
+  au TextYankPost * let g:event = copy(v:event)
+
+  call assert_equal({}, v:event)
+  call assert_fails('let v:event = {}', 'E46:')
+  call assert_fails('let v:event.mykey = 0', 'E742:')
+
+  norm "ayiw
+  call assert_equal(
+    \{'regcontents': ['foo'], 'regname': 'a', 'operator': 'y', 'regtype': 'v'},
+    \g:event)
+  norm y_
+  call assert_equal(
+    \{'regcontents': ['foo'], 'regname': '',  'operator': 'y', 'regtype': 'V'},
+    \g:event)
+  call feedkeys("\<C-V>y", 'x')
+  call assert_equal(
+    \{'regcontents': ['f'], 'regname': '',  'operator': 'y', 'regtype': "\x161"},
+    \g:event)
+  norm "xciwbar
+  call assert_equal(
+    \{'regcontents': ['foo'], 'regname': 'x', 'operator': 'c', 'regtype': 'v'},
+    \g:event)
+  norm "bdiw
+  call assert_equal(
+    \{'regcontents': ['bar'], 'regname': 'b', 'operator': 'd', 'regtype': 'v'},
+    \g:event)
+
+  call assert_equal({}, v:event)
+
+  au! TextYankPost
+  unlet g:event
+  bwipe!
+endfunc

src/testdir/test_search.vim

@@ -721,3 +721,11 @@ func Test_search_multibyte()
   enew!
   let &encoding = save_enc
 endfunc
+
+" This was causing E874.  Also causes an invalid read?
+func Test_look_behind()
+  new
+  call setline(1, '0\|\&\n\@<=') 
+  call search(getline("."))
+  bwipe!
+endfunc

src/version.c

@@ -771,6 +771,18 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1397,
+/**/
+    1396,
+/**/
+    1395,
+/**/
+    1394,
+/**/
+    1393,
+/**/
+    1392,
 /**/
     1391,
 /**/

src/vim.h

@@ -1339,6 +1339,7 @@ enum auto_event
     EVENT_TEXTCHANGEDI,		/* text was modified in Insert mode*/
     EVENT_CMDUNDEFINED,		/* command undefined */
     EVENT_OPTIONSET,		/* option was set */
+    EVENT_TEXTYANKPOST,		/* after some text was yanked */
     NUM_EVENTS			/* MUST be the last one */
 };
 
@@ -1988,7 +1989,8 @@ typedef int sock_T;
 #define VV_TERMU7RESP	83
 #define VV_TERMSTYLERESP 84
 #define VV_TERMBLINKRESP 85
-#define VV_LEN		86	/* number of v: vars */
+#define VV_EVENT	86
+#define VV_LEN		87	/* number of v: vars */
 
 /* used for v_number in VAR_SPECIAL */
 #define VVAL_FALSE	0L