I have added a new article to an existing push publication with the following code
sp_addarticle @publication='statics', article='FlightBaggageMarkup_tbl',source_object='FlightBaggageMarkup_tbl' EXEC sp_addsubscription @publication = 'Statics', @subscriber = 'SURVIVOR', @destination_db = 'MLT-Replicated'
this is a push subscription with immediate_sync switched off, running continuously instead of a schedule
run the snapshot agent and see it picks up just the new table, ok great. but the table and the custom stored procedures never appear at the subscriber and then replication falls over if you try to change a value in the source table as it cant find the stored procedure to call on the subscriber ? I have only seen this behavior since upgrading to 2012, but this maybe a coincidence