patch 8.2.2532: Vim9: confusing error if :k is used with a range

Problem:    Vim9: confusing error if :k is used with a range.
Solution:   Give an error about the range. (issue #7874)

Author: brammool

src/testdir/test_vim9_script.vim

@@ -3497,6 +3497,11 @@ def Test_unsupported_commands()
   END
   CheckDefAndScriptFailure(lines, 'E1100:')
 
+  lines =<< trim END
+      :1ka
+  END
+  CheckDefAndScriptFailure(lines, 'E481:')
+
   lines =<< trim END
     t
   END

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2532,
 /**/
     2531,
 /**/

src/vim9compile.c

@@ -8330,6 +8330,7 @@ compile_def_function(
 		    semsg(_(e_colon_required_before_range_str), cmd);
 		    goto erret;
 		}
+		ea.addr_count = 1;
 		if (ends_excmd2(line, ea.cmd))
 		{
 		    // A range without a command: jump to the line.

src/vim9script.c

@@ -92,10 +92,16 @@ not_in_vim9(exarg_T *eap)
     if (in_vim9script())
 	switch (eap->cmdidx)
 	{
+	    case CMD_k:
+		if (eap->addr_count > 0)
+		{
+		    emsg(_(e_norange));
+		    return FAIL;
+		}
+		// FALLTHROUGH
 	    case CMD_append:
 	    case CMD_change:
 	    case CMD_insert:
-	    case CMD_k:
 	    case CMD_t:
 	    case CMD_xit:
 		semsg(_(e_command_not_supported_in_vim9_script_missing_var_str), eap->cmd);