+StartNoticeAsActivity: before converting a notice to an activity
+- $notice: notice being converted
+- &$activity: initially empty activity
+
+EndNoticeAsActivity: after converting a notice to an activity (good time to customize!)
+- $notice: notice being converted
+- &$activity: activity, now more-or-less full
+
+StartNoticeSaveWeb: before saving a notice through the Web interface
+- $action: action being executed (instance of NewNoticeAction)
+- &$authorId: integer ID of the author
+- &$text: text of the notice
+- &$options: additional options (location, replies, etc.)
+
+EndNoticeSaveWeb: after saving a notice through the Web interface
+- $action: action being executed (instance of NewNoticeAction)
+- $notice: notice that was saved
+
+StartRssEntryArray: at the start of copying a notice to an array
+- $notice: the notice being copied
+- &$entry: the entry (empty at beginning)
+
+EndRssEntryArray: at the end of copying a notice to an array
+- $notice: the notice being copied
+- &$entry: the entry, with all the fields filled up
+
+NoticeDeleteRelated: at the beginning of deleting related fields to a notice
+- $notice: notice being deleted
+
+StartShowHeadTitle: when beginning to show the <title> element
+- $action: action being shown
+
+EndShowHeadTitle: when done showing the <title>
+- $action: action being shown
+
+StartShowPageTitle: when beginning to show the page title <h1>
+- $action: action being shown
+
+EndShowPageTitle: when done showing the page title <h1>
+- $action: action being shown
+
+StartDeleteOwnNotice: when a user starts to delete their own notice
+- $user: the user doing the delete
+- $notice: the notice being deleted
+
+EndDeleteOwnNotice: when a user has deleted their own notice
+- $user: the user doing the delete
+- $notice: the notice being deleted
+
+StartShowFeedLinkList: before showing the feed list in the sidebar
+- $action: action being executed
+- $feeds: list of feeds to show
+
+EndShowFeedLinkList: after showing the feed list in the sidebar
+- $action: action being executed
+- $feeds: list of feeds shown
+
+StartShowFeedLink: before showing an individual feed item
+- $action: action being executed
+- $feed: feed to show
+
+EndShowFeedLink: after showing an individual feed
+- $action: action being executed
+- $feed: feed to show
+
+StartShowNoticeForm: before showing the notice form (before <form>)
+- $action: action being executed
+
+EndShowNoticeForm: after showing the notice form (after <form>)
+- $action: action being executed
+
+StartGrantRole: when a role is being assigned
+- $profile: profile that will have the role
+- $role: string name of the role
+
+EndGrantRole: when a role has been successfully assigned
+- $profile: profile that will have the role
+- $role: string name of the role
+
+StartRevokeRole: when a role is being revoked
+- $profile: profile that will lose the role
+- $role: string name of the role
+
+EndRevokeRole: when a role has been revoked
+- $profile: profile that lost the role
+- $role: string name of the role
+
+StartAtomPubNewActivity: When a new activity comes in through Atom Pub API
+- &$activity: received activity
+- $user: user publishing the entry
+- &$notice: notice created; initially null, can be set
+
+EndAtomPubNewActivity: When a new activity comes in through Atom Pub API
+- $activity: received activity
+- $user: user publishing the entry
+- $notice: notice that was created
+
+StartXrdActionAliases: About to set aliases for the XRD object for a user
+- &$xrd: XRD object being shown
+- $user: User being shown
+
+EndXrdActionAliases: Done with aliases for the XRD object for a user
+- &$xrd: XRD object being shown
+- $user: User being shown
+
+StartXrdActionLinks: About to set links for the XRD object for a user
+- &$xrd: XRD object being shown
+- $user: User being shown
+
+EndXrdActionLinks: Done with links for the XRD object for a user
+- &$xrd: XRD object being shown
+- $user: User being shown
+
+AdminPanelCheck: When checking whether the current user can access a given admin panel
+- $name: Name of the admin panel
+- &$isOK: Boolean whether the user is allowed to use the panel
+
+StartAdminPanelNav: Before displaying the first item in the list of admin panels
+- $nav The AdminPanelNav widget
+
+EndAdminPanelNav: After displaying the last item in the list of admin panels
+- $nav The AdminPanelNav widget
+
+StartActivityObjectFromNotice: When converting a notice to an activity:object
+- $notice: The notice being converted
+- &$object: The resulting object. Fill this and return false to override defaults.
+
+EndActivityObjectFromNotice: After converting a notice to an activity:object
+- $notice: The notice being converted
+- &$object: The resulting object. Can be edited
+
+StartActivityObjectFromProfile: When converting a profile to an activity:object
+- $profile: The profile being converted
+- &$object: The (empty) object. Fill it up and return false to override defaults.
+
+EndActivityObjectFromProfile: After converting a profile to an activity:object
+- $profile: The profile being converted
+- &$object: The finished object. Can be tweaked
+
+StartActivityObjectFromGroup: When converting a group to an activity:object
+- $group: The group being converted
+- &$object: The (empty) object. Fill and return false to override.
+
+EndActivityObjectFromGroup: After converting a group to an activity:object
+- $group: The group being converted
+- &$object: The finished object. Tweak as needed.
+
+StartImportActivity: when we start to import an activity
+- $user: User to make the author import
+- $author: Author of the feed; good for comparisons
+- $activity: The current activity
+- $trusted: How "trusted" the process is
+- &$done: Return value; whether to continue
+
+EndImportActivity: when we finish importing an activity
+- $user: User to make the author import
+- $author: Author of the feed; good for comparisons
+- $activity: The current activity
+- $trusted: How "trusted" the process is
+
+StartProfileSettingsActions: when we're showing account-management action list
+- $action: Action being shown (use for output)
+
+EndProfileSettingsActions: when we're showing account-management action list
+- $action: Action being shown (use for output)
+
+StartOpenNoticeListItemElement: Before the opening <li> of a notice list element
+- $nli: The notice list item being shown
+
+EndOpenNoticeListItemElement: After the opening <li> of a notice list element
+- $nli: The notice list item being shown
+
+StartCloseNoticeListItemElement: Before the closing </li> of a notice list element
+- $nli: The notice list item being shown
+
+EndCloseNoticeListItemElement: After the closing </li> of a notice list element
+- $nli: The notice list item being shown
+
+StartGroupEditFormData: Beginning the group edit form entries
+- $form: The form widget being shown
+
+EndGroupEditFormData: Ending the group edit form entries
+- $form: The form widget being shown
+
+StartGroupSave: After initializing but before saving a group
+- &$group: group about to be saved
+
+EndGroupSave: After saving a group, aliases, and first member
+- $group: group that was saved
+
+StartInterpretCommand: Before running a command
+- $cmd: First word in the string, 'foo' in 'foo argument'
+- $arg: Argument, if any, like 'argument' in 'foo argument'
+- $user: User who issued the command
+- &$result: Resulting command; you can set this!
+
+EndInterpretCommand: Before running a command
+- $cmd: First word in the string, 'foo' in 'foo argument'
+- $arg: Argument, if any, like 'argument' in 'foo argument'
+- $user: User who issued the command
+- $result: Resulting command
+
+StartGroupActionsList: Start the list of actions on a group profile page (after <ul>, before first <li>)
+- $action: action being executed (for output and params)
+- $group: group for the page
+
+EndGroupActionsList: End the list of actions on a group profile page (before </ul>, after last </li>)
+- $action: action being executed (for output and params)
+- $group: group for the page
+
+StartGroupProfileElements: Start showing stuff about the group on its profile page
+- $action: action being executed (for output and params)
+- $group: group for the page
+
+EndGroupProfileElements: Start showing stuff about the group on its profile page
+- $action: action being executed (for output and params)
+- $group: group for the page