rules.pl: more tweaking DO NOT SUBMIT

rules.pl

diff --git a/rules.pl b/rules.pl
index 6b5fbac..3aed160 100644
--- a/rules.pl
+++ b/rules.pl
@@ -1,5 +1,6 @@
 % We don't send email if the commit message says DO NOT REVIEW, so don't allow submit either.
 % Case insensitive because the mail filter rules are.
+% Using reject here so that there will be a column on the CL dashboard.
 submit_filter(In, Out) :-
 	In =.. [submit | I],
 	gerrit:commit_message_matches('[Dd][Oo][ \t\r\n]+[Nn][Oo][Tt][ \t\r\n]+[Rr][Ee][Vv][Ii][Ee][Ww]'),
@@ -9,13 +10,14 @@
 	Out =.. [submit, Error | I].
 
 % Don't allow submit of DO NOT SUBMIT commit message either.
-% Using same label as above to avoid yet another column in the CL dashboard on Gerrit.
+% Case insensitive because DO NOT REVIEW is.
+% Using need instead of reject to avoid the column on the CL dashboard.
 submit_filter(In, Out) :-
 	In =.. [submit | I],
 	gerrit:commit_message_matches('[Dd][Oo][ \t\r\n]+[Nn][Oo][Tt][ \t\r\n]+[Ss][Uu][Bb][Mm][Ii][Tt]'),
 	!,
 	gerrit:commit_author(Id),
-	Error = label('Do-Not-Review', reject(Id)),
+	Error = label('Do-Not-Submit', need(_)),
 	Out =.. [submit, Error | I].
 
 % Otherwise, pass submit rule through.