gistfile1.diff

diff -r 79c59b4c9d20 runtime/doc/quickfix.txt
--- a/runtime/doc/quickfix.txt	Sat Oct 11 14:47:26 2014 +0200
+++ b/runtime/doc/quickfix.txt	Sun Oct 12 14:07:01 2014 +0900
@@ -141,8 +141,9 @@
 			current window is used instead of the quickfix list.
 
 							*:cq* *:cquit*
-:cq[uit][!]		Quit Vim with an error code, so that the compiler
+:cq[uit][!] [code]	Quit Vim with an error code, so that the compiler
 			will not compile the same file again.
+			If [code] is provided, vim returns that code at exit.
 			WARNING: All changes in files are lost!  Also when the
 			[!] is not used.  It works like ":qall!" |:qall|,
 			except that Vim returns a non-zero exit code.
diff -r 79c59b4c9d20 src/ex_cmds.h
--- a/src/ex_cmds.h	Sat Oct 11 14:47:26 2014 +0200
+++ b/src/ex_cmds.h	Sun Oct 12 14:07:01 2014 +0900
@@ -274,7 +274,7 @@
 EX(CMD_cpfile,		"cpfile",	ex_cnext,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG),
 EX(CMD_cquit,		"cquit",	ex_cquit,
-			TRLBAR|BANG),
+			RANGE|NOTADR|COUNT|TRLBAR|BANG|ZEROR),
 EX(CMD_crewind,		"crewind",	ex_cc,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG),
 EX(CMD_cscope,		"cscope",	do_cscope,
diff -r 79c59b4c9d20 src/ex_docmd.c
--- a/src/ex_docmd.c	Sat Oct 11 14:47:26 2014 +0200
+++ b/src/ex_docmd.c	Sun Oct 12 14:07:01 2014 +0900
@@ -6637,10 +6637,16 @@
  */
     static void
 ex_cquit(eap)
-    exarg_T	*eap UNUSED;
-{
-    getout(1);	/* this does not always pass on the exit code to the Manx
-		   compiler. why? */
+    exarg_T	*eap;
+{
+    if (*eap->arg)
+    	eap->errmsg = e_invarg;
+    else
+	/*
+	 * this does not always pass on the exit code to the Manx compiler.
+	 * why?
+	 */
+	getout((int)eap->line2);
 }
 
 /*