[patch] User defined commands beginning with 'Ni' can not be called with '!'

[h_east]

Hi Bram,

How to repro.

:command! -bang Nice echo 'User-defined Nice'

User defined commands are executed below.
:Nice
User-defined Nice

But, this one isn't executed below.
:Nice!


...Yes, I know I know... So, I do not talk much.
However, there is one thing I can say "I love Monty Python".

I wrote a patch.
Check it out.
--
Best regards,
Hirohito Higashi (h_east)

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diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index bf340de..715cf3c 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -2370,7 +2370,8 @@ do_one_cmd(
 	goto doend;
     }
     /* Check for wrong commands. */
-    if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
+    if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78
+	    && !IS_USER_CMDIDX(ea.cmdidx))
     {
 	errormsg = uc_fun_cmd();
 	goto doend;