cmd: %* expands to first non-whitespace delimiter of first arg.

programs/cmd/tests/test_cmdline.cmd

@@ -251,6 +251,16 @@ call tell;1;;2
 if errorlevel 2 echo error %ErrorLevel%
 call tell "p "1 p" "2
 call tell p"1 p";2
+
+echo --------- Testing delimiters and parameter passing  --------------
+echo @echo 0:%%0,1:%%1,2:%%2,All:'%%*'> tell.bat
+call;tell 1 2
+call   tell 1 2
+==call==tell==1==2
+call tell(1234)
+call tell(12(34)
+call tell(12;34)
+echo --------- Finished  --------------
 del tell.bat say*.*
 exit
 :setError

programs/cmd/tests/test_cmdline.cmd.exp

@@ -122,3 +122,11 @@ THIS FAILS: cmd ignoreme/c say one
 1:1,2:2@space@
 1:"p@space@"1,2:p"@space@"2@space@
 1:p"1@space@p",2:2@space@
+--------- Testing delimiters and parameter passing  --------------
+0:tell,1:1,2:2,All:'1 2'@or_broken@0:tell,1:1,2:2,All:' 1 2'
+0:tell,1:1,2:2,All:'1 2'@or_broken@0:tell,1:1,2:2,All:' 1 2'
+0:tell,1:1,2:2,All:'==1==2'
+@todo_wine@0:tell,1:(1234),2:,All:'(1234)'
+@todo_wine@0:tell,1:(12(34),2:,All:'(12(34)'
+@todo_wine@0:tell,1:(12,2:34),All:'(12;34)'
+@todo_wine@--------- Finished  --------------

programs/cmd/wcmdmain.c

@@ -843,10 +843,12 @@ static void handleExpansion(WCHAR *cmd, BOOL justFors,
     /* Replace use of %* if in batch program*/
     } else if (!justFors && context && *(p+1)=='*') {
       WCHAR *startOfParms = NULL;
-      WCMD_parameter(context -> command, 1, &startOfParms, NULL, TRUE);
-      if (startOfParms != NULL)
+      WCMD_parameter(context -> command, 0, NULL, &startOfParms, TRUE);
+      if (startOfParms != NULL) {
+        startOfParms++; /* Skip to first delimiter then skip whitespace */
+        while (*startOfParms==' ' || *startOfParms == '\t') startOfParms++;
         WCMD_strsubstW(p, p+2, startOfParms, -1);
-      else
+      } else
         WCMD_strsubstW(p, p+2, NULL, 0);
 
     } else if (forVariable &&