diff -cr pgsql/src/backend/commands/trigger.c pgsql-trigcommentclean/src/backend/commands/trigger.c
*** pgsql/src/backend/commands/trigger.c	Fri Oct 24 19:42:35 2008
--- pgsql-trigcommentclean/src/backend/commands/trigger.c	Wed Nov  5 23:32:27 2008
***************
*** 1016,1027 ****
  /*
   * EnableDisableTrigger()
   *
!  *	Called by ALTER TABLE ENABLE/DISABLE TRIGGER
   *	to change 'tgenabled' field for the specified trigger(s)
   *
   * rel: relation to process (caller must hold suitable lock on it)
   * tgname: trigger to process, or NULL to scan all triggers
!  * enable: new value for tgenabled field
   * skip_system: if true, skip "system" triggers (constraint triggers)
   *
   * Caller should have checked permissions for the table; here we also
--- 1016,1029 ----
  /*
   * EnableDisableTrigger()
   *
!  *	Called by ALTER TABLE ENABLE/DISABLE [ REPLICA | ALWAYS ] TRIGGER
   *	to change 'tgenabled' field for the specified trigger(s)
   *
   * rel: relation to process (caller must hold suitable lock on it)
   * tgname: trigger to process, or NULL to scan all triggers
!  * fires_when: when the trigger should be fired.  In addition to generic
!  * 		enablement/disablement, this also defines when the trigger
!  * 		should be fired in session replication roles (assigned to tgenabled)
   * skip_system: if true, skip "system" triggers (constraint triggers)
   *
   * Caller should have checked permissions for the table; here we also
diff -cr pgsql/src/include/commands/trigger.h pgsql-trigcommentclean/src/include/commands/trigger.h
*** pgsql/src/include/commands/trigger.h	Fri Oct 24 19:42:35 2008
--- pgsql-trigcommentclean/src/include/commands/trigger.h	Wed Nov  5 23:16:31 2008
***************
*** 95,100 ****
--- 95,103 ----
  #define SESSION_REPLICATION_ROLE_LOCAL		2
  extern PGDLLIMPORT int	SessionReplicationRole;
  
+ /*
+  * States at which a trigger can be fired.
+  */
  #define TRIGGER_FIRES_ON_ORIGIN				'O'
  #define TRIGGER_FIRES_ALWAYS				'A'
  #define TRIGGER_FIRES_ON_REPLICA			'R'