patch 8.2.4741: startup test fails

Problem:    Startup test fails.
Solution:   Avoid an error for verbose expansion.  Fix that the "0verbose"
            command modifier doesn't work.

runtime/syntax/synload.vim

@@ -37,7 +37,7 @@ fun! s:SynSet()
     unlet b:current_syntax
   endif
 
-  let s = expand("<amatch>")
+  0verbose let s = expand("<amatch>")
   if s == "ON"
     " :set syntax=ON
     if &filetype == ""

runtime/syntax/syntax.vim

@@ -28,8 +28,9 @@ endif
 
 " Set up the connection between FileType and Syntax autocommands.
 " This makes the syntax automatically set when the file type is detected.
+" Avoid an error when 'verbose' is set and <amatch> expansion fails.
 augroup syntaxset
-  au! FileType *	exe "set syntax=" . expand("<amatch>")
+  au! FileType *	0verbose exe "set syntax=" . expand("<amatch>")
 augroup END
 
 

src/ex_docmd.c

@@ -3084,7 +3084,11 @@ parse_command_modifiers(
 			if (!checkforcmd_noparen(&p, "verbose", 4))
 			    break;
 			if (vim_isdigit(*eap->cmd))
+			{
 			    cmod->cmod_verbose = atoi((char *)eap->cmd);
+			    if (cmod->cmod_verbose == 0)
+				cmod->cmod_verbose = -1;
+			}
 			else
 			    cmod->cmod_verbose = 1;
 			eap->cmd = p;
@@ -3158,11 +3162,11 @@ apply_cmdmod(cmdmod_T *cmod)
 	cmod->cmod_did_sandbox = TRUE;
     }
 #endif
-    if (cmod->cmod_verbose > 0)
+    if (cmod->cmod_verbose != 0)
     {
 	if (cmod->cmod_verbose_save == 0)
 	    cmod->cmod_verbose_save = p_verbose + 1;
-	p_verbose = cmod->cmod_verbose;
+	p_verbose = cmod->cmod_verbose < 0 ? 0 : cmod->cmod_verbose;
     }
 
     if ((cmod->cmod_flags & (CMOD_SILENT | CMOD_UNSILENT))
@@ -8999,6 +9003,7 @@ find_cmdline_var(char_u *src, int *usedlen)
  *	  "<cfile>" to path name under the cursor
  *	  "<sfile>" to sourced file name
  *	  "<stack>" to call stack
+ *	  "<script>" to current script name
  *	  "<slnum>" to sourced file line number
  *	  "<afile>" to file name for autocommand
  *	  "<abuf>"  to buffer number for autocommand

src/structs.h

@@ -662,7 +662,8 @@ typedef struct
     regmatch_T	cmod_filter_regmatch;	// set by :filter /pat/
     int		cmod_filter_force;	// set for :filter!
 
-    int		cmod_verbose;		// non-zero to set 'verbose'
+    int		cmod_verbose;		// non-zero to set 'verbose', -1 is
+					// used for zero override
 
     // values for undo_cmdmod()
     char_u	*cmod_save_ei;		// saved value of 'eventignore'

src/testdir/test_excmd.vim

@@ -580,10 +580,12 @@ endfunc
 
 " Test for the :verbose command
 func Test_verbose_cmd()
-  call assert_equal(['  verbose=1'], split(execute('verbose set vbs'), "\n"))
+  set verbose=3
+  call assert_match('  verbose=1\n\s*Last set from ', execute('verbose set vbs'), "\n")
   call assert_equal(['  verbose=0'], split(execute('0verbose set vbs'), "\n"))
-  let l = execute("4verbose set verbose | set verbose")
+  set verbose=0
-  call assert_equal(['  verbose=4', '  verbose=0'], split(l, "\n"))
+  call assert_match('  verbose=4\n\s*Last set from .*\n  verbose=0',
+        \ execute("4verbose set verbose | set verbose"))
 endfunc
 
 " Test for the :delete command and the related abbreviated commands

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4741,
 /**/
     4740,
 /**/