Interlisp.medley/library/lafite/docs/release-notes/Lafite-Update.TEdit

XEROX	LAFITE UPDATE, NOV 1989
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LAFITE UPDATE
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Last Edited: November 16, 1989
This document describes changes to Lafite since the October, 1986 release.  Comments and suggestions are welcome on the new features described herein.
Installation
1

To install Lafite in a sysout where Lafite has never been loaded, simply load LAFITE.LCOM from the directory appropriate to your version of Lisp.  However, if an older version of Lafite is already loaded in your sysout, you must instead Quit out of the old Lafite, and explicitly load all of Lafite's component files.  If the old version of Lafite in your sysout is dated June, 1988 or later, you can do this by calling (LOAD-LAFITE "directory"), after which you may still need to load MAILSCAVENGE.LCOM if the old version was in your sysout; otherwise, load all of the following LCOMs from the appropriate directory:
LAFITEBROWSE	NSMAIL
LAFITEMAIL	MAILSCAVENGE
LAFITESEND	LAFITEFIND
MAILCLIENT	LAFITE
Of the files MAILCLIENT, NSMAIL, MAILSCAVENGE, LAFITEFIND, you need only load those that are already present in your sysout from the old Lafite (all are present in the standard Parc sysout, so all must be reloaded).  Note that LAFITE.LCOM must be loaded last.
Compatibility
1

This new Lafite is incompatible with most modules that thought they knew something about the internals of Lafite.  Specific cases (this is mostly old news by now):
Rooms.  Rooms has been updated to know about the new Lafite.
Lens.  Lens has been updated to know about the new Lafite.
LafitePrivateDL.  This LispUsers module is incompatible with the new Lafite, and also obsoleted by it (see the section "Grapevine" below).
LafiteHighlight.  This probably still works, but you may prefer to use header filters in the new Lafite instead (see "Message Display" below).
LafiteTimedDelete.  This probably still works.
Vanilla Init.  Stan says he now has this working properly with the new Lafite.
DateSort.  This module is obsoleted by the new Lafite.
Lafite-Indent.  This is actually a TEdit macro package and is independent of Lafite.
Lafite Modes
1

Lafite is now willing to operate in more than one mode "simultaneously".  The mail watch background task checks all of your mailboxes in all the modes that are active, and GetMail retrieves mail from all mailboxes.  The variable LAFITE.USE.ALL.MODES controls whether Lafite runs in more than one mode at once.  The interesting values are:
	NIL	This is the old way, where you must change modes manually.  All commands operate only in the currently active mode.
	:POLL	The mail watch task checks all modes, but GetMail only retrieves in the currently active mode.
	T	Mail watch checks and GetMail retrieves in all modes.
The initial value is T.  The flag has no effect on the SendMail command, which continues to <20><>bring up a message composition window in the current mode<>.  It also does not affect the Answer command, which answers in the mode that the message was retrieved in.  The retrieval mode is remembered in the table of contents file; in the absence of this knowledge, e.g., if the toc is deleted or the message was retrieved with an older Lafite, the Answer command uses simple rules that nearly always unambiguously distinguish GV from NS messages.  Be aware that the value :POLL can be confusing to such hacks as automatic mail retrievers, since the status window can report new mail, yet GetMail won't retrieve it.
Ordinarily, Lafite only attempts to authenticate you in the non-primary modes when it starts up, and after logout.  If, for example, you are in GV mode, and the NS authentication service is down when you start up Lafite, or your NS password is incorrect, it does not repeatedly try to authenticate you, but merely reports the condition once and behaves as if the failing mode does not exist.  If conditions later change, you can force another attempt by using the mode switching commands to explicitly switch to the mode.  If your password is incorrect, you can change it using the NS Login subcommand of Quit (see below).
GetMail only attempts to retrieve mail from the servers that reported new mail in the most recent poll.  This means that if one of your mail servers is not responding, you no longer have to wait during GetMail for it to time out.  If you click GetMail at a time when the status window reports "No New Mail", then GetMail will attempt to contact all of your mailbox servers, just as it did in previous releases.
Turning Lafite on and off
1

You can now turn Lafite on or switch modes from the background menu.
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 	Mail	This brings up a standard message sending window in the current mode, whether Lafite is on or not.  If Lafite is not on, it will attempt to authenticate you in the current mode.
	Send Mail	This is the same as the main Mail command, except that you get to choose which kind of message form, just as middle-button on the Lafite status window's Send Mail command allows.
	Turn Lafite On	This is the same as calling (LAFITE :ON).  It has no effect if Lafite is already on.
	Set Lafite Mode	This command allows you to change Lafite's mode.  It offers a menu of the mode choices found also as part of the middle-button Quit command on the Lafite status window.
The middle-button Quit command on the Lafite status window has two new subcommands, Recache and Login.  Here, for completeness, is a description of all the commands:
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 	Quit	This is the same as the main command, which is the same as calling (LAFITE :OFF).  It closes all folders, asking about updating them if any need it, then turns off Lafite.
	Restart	This turns Lafite off, then immediately back on; same as (LAFITE :RESTART).
	Login	Changes the logged-in user for Lafite.  This command first turns Lafite off, so that any updating required by closing out the previous user's folders happens under the previous user's login.  It then prompts for user name and password, exactly as if you had called (LOGIN) yourself, and then for a new LAFITEDEFAULTHOST&DIR.  Finally, it turns Lafite back on.
	Just re-authenticate	Re-authenticates the currently logged-in user without prompting for a new login.  This may be useful if Lafite's original attempt at authenticating the user failed or got inconsistent information due to network difficulties.
	Login without restarting	Performs a login without changing the state of Lafite.  This is useful if you had previously logged in with an incorrect password, or if you have multiple user identities all sharing the same set of folders.
	NS Login	Prompts for a new login just for NS mail.  You may need to use this if your global user name does not correspond to your NS user name or an alias of it in the default domain, or if you have different passwords for Grapevine and NS.  There is actually one of these commands for each mode that understands an independent login, but NS is the only current instantiation.
	Recache	In the case of several of the public interface variables, Lafite computes other structures based on them, and does not automatically recompute them when you change the public variable.  The recache command forces Lafite to recompute these "caches" of the variables' values.  A recache also occurs whenever Lafite is (re)started.  The command is implemented by the function LAFITE.COMPUTE.CACHED.VARS, which you can advise if you have other caches that Lafite doesn't know about.  The variables currently affected by this command (i.e., changes in whose values are not otherwise noticed) are:
LAFITE.DONT.DISPLAY.HEADERS
LAFITE.DONT.FORWARD.HEADERS
LAFITE.DONT.HARDCOPY.HEADERS
LAFITE.EXTRA.DISPLAY.COMMANDS
LAFITE.LOOKS.SUBCOMMANDS
LAFITE.GV.FROM.FIELD
LAFITE.HOST.ABBREVS.
	NS Mode
	GV Mode	Switch to the specified mode.  There is one of these for each mode.
Screen Appearance
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There are several new variables and one function for controlling the appearance of your Lafite screen.
LAFITE.BROWSER.LAYOUTS	[Variable]
A list of browser "layouts" specifying where Lafite should place browsers, their display windows and their icons.  Each layout is of the form (BrowserRegion IconPosition DisplayRegion).  IconPosition and DisplayRegion are optional.  The region variables are standard window system regions of the form (left bottom width height); IconPosition is a position of the form (x . y).  When the Browse command creates a new browser window, it chooses the first element of LAFITE.BROWSER.LAYOUTS that is not already in use.  If all are in use, it prompts for a region.
LAFITE.DISPLAY.SIZE	[Variable]
Specifies the default size of display windows, other than those already specified in a browser layout.  If the value of this variable is a size (width . height), then Lafite prompts for a region with a box this size.  If the value is NIL, Lafite prompts for a general region, requiring you to drag from one corner to the opposite.  The initial value is (500 . 300).
LAFITE.EDITOR.LAYOUTS	[Variable]
A list of editor "layouts" specifying where Lafite should place message composition editors and their icons.  As message editors have only a single window, each layout consists of only two elements (EditorRegion IconPosition).  When one of the message-sending commands creates a new editor window, it chooses the first element of LAFITE.EDITOR.LAYOUTS that is not already in use.  If all are in use, it prompts for a region.
LAFITE.EDITOR.SIZE	[Variable]
Specifies the default size of message composition editors, other than those already specified in LAFITE.EDITOR.LAYOUTS.  If the value of this variable is a size (width . height), then Lafite prompts for a region with a box this size.  If the value is NIL, Lafite prompts for a general region, requiring you to drag from one corner to the opposite.  The initial value is (470 . 300).
For backward compatibility, if LAFITE.BROWSER.LAYOUTS is NIL, it is considered to contain the single element (LIST LAFITEBROWSERREGION NIL LAFITEDISPLAYREGION).  If LAFITE.EDITOR.LAYOUTS is NIL, it is considered to contain the single element (LIST LAFITEEDITORREGION). The variables LAFITEBROWSERREGION, LAFITEDISPLAYREGION, and LAFITEEDITORREGION are now obsolete and may be removed in a future release.
(LAFITE.BROWSE.FOLDER foldername layout options <20><><00>%)	[Function]
<EFBFBD>Programmatic interface to the Browse command.  Browses the mail folder named foldername and returns a mailfolder object, or NIL on failure.  If a browser already exists for foldername it is returned; otherwise, a new browser is created.  The normal Lafite defaulting rules apply to foldername, so, for example, "active" defaults to the file "active.mail" on the directory specified by LAFITEDEFAULTHOST&DIR.  The argument layout is a list of up to three elements describing the layout of the browser; it takes the same form as elements of LAFITE.BROWSER.LAYOUTS.  options is a list of zero or more keywords from among the following:
	:ACTIVE	The browser is considered an "active" mail browser.  Currently the only import of this setting is to enable GetMail on expansion (see below).
	:GETMAIL	After loading the mail folder, retrieve new mail, if any, into this folder.
	:SHRINK	After loading the mail folder, shrink the browser window.  This option is ignored if :GETMAIL was specified.
	:FORGET	If foldername is new to Lafite, don't remember it; i.e., do not add it to the menu of mail folders.
	:CONFIRM	If foldername does not exist, require confirmation before creating it.
	:OLD	If foldername does not exist, do not create it, but return NIL instead.
LAFITE.BROWSER.ICON.PREFERENCE	[Variable]
Specifies where a browser's icon should be positioned if it has not already been specified in a browser layout as described above.  The possible values are
	NIL	Place the icon at the bottom left corner of the browser window.  This is the default.
	:ASK	Prompt for a position.
	a function	Call this function, passing the browser window as its sole argument.  The function should return a position, or NIL to make Lafite prompt for a position.
LAFITE.FOLDER.MENU.FONT	[Variable]
The font used in the menu of folders displayed by the Browse and MoveTo commands.  Initially NIL, which means use the default system MENUFONT.
LAFITE.FOLDER.ICON	[Variable]
An icon specification for the icon used by Lafite browsers.  It is of the form expected by TITLEDICONW, i.e., (IconBitmap MaskBitmap TitleRegion).  This variable replaces the undocumented variables MSGFOLDERTEMPLATE, MSGFOLDERICON, and MSGFOLDERMASK.
LAFITE.MSG.ICON	[Variable]
An icon specification for the icon used by Lafite message editors.  This variable replaces the undocumented variables MSGUNSENTREGION, MSGUNSENTICON, and MSGUNSENTMASK.

The function LAFITE itself has been extended to take advantage of the same options available to LAFITE.BROWSE.FOLDER, so that you can set up your entire default mail screen in a single call.  Here is the new documentation:
(LAFITE on/off &optional folder &rest options)	[Function]
Turns Lafite on or off according to the first argument, which is one of the keywords :ON, :OFF, or :RESTART.  For backward compatibility, the same symbols are accepted in the Interlisp package.  :ON turns Lafite on, and has no effect if it is already on.  :OFF turns it off, and has no effect if it is already off.  :RESTART is equivalent to (LAFITE :OFF) followed by (LAFITE :ON folder . options).
The argument folder specifies a mail folder to browse.  If it is omitted, i.e., for a simple (LAFITE :ON), it defaults to the value of DEFAULTMAILFOLDERNAME.  NIL specifies no folder.  So that you can specify options and still browse the default folder, folder = T also defaults to DEFAULTMAILFOLDERNAME.
The remaining arguments are optional keywords specifying what to do with the folder being browsed.  The possible values are :ACTIVE, :GETMAIL, :SHRINK, :FORGET, and :CONFIRM, which are handled as described under LAFITE.BROWSE.FOLDER.  For example, (LAFITE :ON "active" :CONFIRM :SHRINK) turns Lafite on, browses the folder "active", requiring confirmation if the file does not exist, and then shrinks the browser.
If folder is a list, it is interpreted as a list of specifications for files to browse and their placement.  Each element is of the form (foldername BrowserRegion IconPosition DisplayRegion . options), which specifies invoking (LAFITE.BROWSE.FOLDER foldername (LIST BrowserRegion IconPosition DisplayRegion) options).  If there were any options specified in the call to LAFITE itself, they are appended to the options specified in each element of folder.  See LAFITE.BROWSE.FOLDER for details.
Message Display
1

The End of message indication is back in operation for those of you who missed it in early versions of Medley.
Middle-button on the Display command now always prompts for its own display region (a box if LAFITE.DISPLAY.SIZE is non-NIL), and this window survives Updates; i.e., it stays open until you explicitly close it.
It is now possible to tell Lafite you do not care to see certain fields in the headers of messages, such as the numerous fields inserted by Arpanet mail transport.
LAFITE.DONT.DISPLAY.HEADERS	[Variable]
LAFITE.DONT.FORWARD.HEADERS	[Variable]
LAFITE.DONT.HARDCOPY.HEADERS	[Variable]
The value of each of these variables is a list of strings specifying the names of the fields you wish omitted by the Display, Forward, and Hardcopy commands, respectively.  The alphabetic case of the strings is unimportant.  When fields are omitted from a displayed message, an asterisk appears in the titlebar of the message.  You can see the omitted fields by using the Unhide command from the titlebar menu (see below).  There is no corresponding command to see the omitted headers in a forwarded message or, of course, in a hardcopied message.
The value ("Return-Path" "Redistributed" "Received" "Message-Id" "Errors-To") is useful for filtering most of the rubbish from Arpanet headers.
If you include the symbol GV in the list, Lafite filters the ugly "GVGV..." supplemental header from NS messages that arrived via the GV gateway.  This supplement includes any headers that didn't translate into NS land, such as comments in addresses ("Fred Carstairs <fc@foo.bar.com>") and all those "Received:" lines in arpa mail.  By filtering this entire section you could occasionally miss an interesting header hiding in there, but you can still use Unhide, of course.
Left- or Middle-button in the titlebar of a displayed message gives a modified TEdit menu of operations.
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Those specific to Lafite are as follows:
	Looks	This command is used to change the appearance of the message.  If you have selected a region of the message (longer than a single character), the command affects only that region; otherwise it applies to the whole message.  This command affects only the display of this message this time; it has no effect on the message living in the mail folder.
		The main Looks command brings up the same set of three menus as the normal TEdit Looks command, allowing you to choose any font and size.  The subcommands apply some built-in looks or other transformations:
	Fixed Width	Changes the font to a fixed-width font, useful for viewing text formatted by folks in the fontless world.  In addition, when changing to a fixed-width font, Lafite also sets the tab size to be the width of eight characters, something TEdit unfortunately doesn't do automatically.
	Default	Sets the font back to Lafite's normal display font (the value of LAFITEDISPLAYFONT).
	Spread Paragraphs	Inserts 10-point leading between paragraphs.  This is useful for messages that come from Tioga, which doesn't put a blank line between paragraphs in the plain text body.
	Lowercase	Converts message body to lowercase.  This is useful for messages from those bozos who haven't discovered their Shift Lock yet, or are typing on Model 33 Teletypes.  This and the next command change only the body of the message, not the header.
	VP Line Breaks	This turns the character #o35, which at least some mail senders in the XNS world seem to use as an end-of-line character, into carriage return.
	Hardcopy	This command sends this single message to the default printer in whatever appearance it currently has.  The hardcopy is sent immediately, independent of the setting of LAFITEHARDCOPYBATCHFLG.
	Unhide	If some fields of the message header have been omitted because they matched the strings in LAFITE.DONT.DISPLAY.HEADERS, this command reveals them.  The subcommand Hide can be used to hide them again.
This menu can be further tailored using the following variables:
LAFITE.EXTRA.DISPLAY.COMMANDS	[Variable]
This is the list of menu items added to the three possibly interesting TEdit commands offered in a message display window.  Each item should be set up to return a function of one argument, which is applied to the message's text stream when the item is selected.
LAFITE.LOOKS.SUBCOMMANDS	[Variable]
This is the list of menu subitems under the Looks command.  It has the same format as LAFITE.EXTRA.DISPLAY.COMMANDS.  At run time, Lafite inserts this list into the Looks item of LAFITE.EXTRA.DISPLAY.COMMANDS.  The following function may be useful in implementing new Looks commands:
(LAFITE.SET.LOOKS textstream newlooks paralooks)	[Function]
Changes the character looks of the current selection in textstream, or the whole stream if no more than one character is selected, to be newlooks, which can be a font descriptor or any argument acceptable to TEDIT.LOOKS.  If paralooks is specified, it is a set of paragraph looks as expected by TEDIT.PARALOOKS.  If newlooks is a fixed-width font and paralooks is NIL, this function also sets the default tab width of the selected text to be eight times the character width.
LAFITEFIXEDWIDTHFONT	[Variable]
The font used by the Fixed Width command.  It is initially the value of DEFAULTFONT, unless that font is variable-width, in which case it is set to Gacha 10.
If you have in older versions of Lafite set LAFITEDISPLAYFONT to a fixed-width font just so you can easily read messages from outside users, you might consider setting LAFITEDISPLAYFONT back to a more pleasing font and using the Fixed Width command in the few cases where you need it.
(LAFITE.HARDCOPY.TAB.WIDTH)	[Function]
When the Fixed Width command is used on a message, the tab width set for display is unlikely to be appropriate for hardcopy.  If you subsequently issue the Hardcopy command on that window, Lafite has to guess what the tab width should be.  Currently it does so by calling this function, whose initial definition computes a tab width based on LAFITEFIXEDWIDTHFONT coerced to Interpress.  If you defaultly hardcopy to some other kind of printer, you may want to change this.
Browser Commands
1

Middle-button on the Update command bypasses the normal Update options menu.  Its behavior is controlled by the following variable:
LAFITE.MIDDLE.UPDATE	[Variable]
A list of keywords specifying the normal way by which you like to update browsers.  The choices are:
	:UPDATE	Write out changes, but do not expunge deleted messages.
	:EXPUNGE	Expunge deleted messages.  If there are no deleted messages, this is equivalent to :UPDATE.  Both :UPDATE and :EXPUNGE will also process any pending hardcopy (when LAFITEHARDCOPYBATCHFLG is T).
	:SHRINK	After updating the folder, shrink the browser.
	:CLOSE	After updating the folder, close the browser.
	:CONFIRM	Require confirmation (via mouse) of the operation.
The keywords :UPDATE and :EXPUNGE are mutually exclusive, as are :SHRINK and :CLOSE.  The default value is (:EXPUNGE :SHRINK :CONFIRM), which means that middle-button on Update prompts with a message like "Click LEFT to confirm Expunge and Shrink".  The message specifies the operation implied by the setting of the variable, rather than always being "Expunge"; e.g., it might read "Click LEFT to confirm Hardcopy, Update table of contents and Shrink".  As a special case, when the folder needs no updating at all and LAFITE.MIDDLE.UPDATE specifies :SHRINK, Lafite shrinks the browser immediately without asking for confirmation.
The menu of Update options offered by the Update, Shrink, and Close commands now more accurately reflects what needs to be done.  In particular, there is no Expunge option if you have not deleted any messages.
The widest labels on the browser menu (Undelete and Hardcopy) have been shortened.  With Lafite's default menu font (Helvetica 10 Bold), this allows browsers to be 54 points narrower than before, so that two browsers can fit side by side on the screen.  (I personally prefer Modern 12 Bold (10 for users of NSDISPLAYSIZES), which yields a browser another 18 points narrower.)  You can (awkwardly) change the labels by editing LAFITEBROWSERMENUITEMS.
LAFITEHARDCOPY.MIN.TOC now works even when LAFITEHARDCOPYBATCHFLG = T.  (If more than LAFITEHARDCOPY.MIN.TOC messages are being hardcopied, the output is preceded by a table of contents.)
If you have ever performed GetMail on a browser (or browsed it with the :ACTIVE option), then the behavior of middle-button on the browser's icon behaves differently: if you hold down the button, it pops up a menu offering to get mail.
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Choosing GetMail is equivalent to expanding the window, then choosing the regular GetMail command, but of course requires less interaction on your part.  If you release the button without selecting GetMail, the browser is expanded, just as if there had been no menu interaction at all.
Lafite browsers now support copy selection.  Selecting with the mouse in a browser window while holding down the Copy or Shift keys selects the text of the field you are pointing at.  You can select the <20><>Date, From, or Subject<> field.  Selecting to the left of the Date field selects the whole message, producing a "summary line" such as "#185 14 Jun From: Carstairs.pa -- Meeting rescheduled".  This use of Shift for copy selection means that only the CTRL key can be used to remove messages from the selection, an operation previously supported by either CTRL or Shift.
The title field of the browser has been rearranged so that the most interesting information appears first, and is thus less likely to fall off the right edge of the window.  For example, the browser for {FS}<Carstairs>Mail>Active.mail might have a title reading "Browsing Active (Move To: Memos) on {FS}<Carstairs>Mail>".
LAFITEMOVETOCONFIRMFLG	[Variable]
This variable now only affects what happens when you choose the destination of a move from the menu (or using the middle-button accelerator), rather than typing it in (having selected "Other").  To summarize:
	NIL	Do not require confirmation.
	LEFT	Confirm only left-button MoveTo.
	MIDDLE	Confirm only middle-button MoveTo.
	ALWAYS	Require confirmation in all cases.  This is the default.
Typing in a destination from the keyboard is enough evidence that you didn't slip on a mouse button, so confirmation is only required then if the destination file does not yet exist.
LAFITE.AUTO.MOVE.MENU	[Variable]
Setting this variable non-NIL enables an automatic "accelerated Move To" menu.  The menu is attached to your browser window and contains the names of all folders to which you have moved messages from this browser.  Selecting a folder name with the mouse is equivalent to selecting the MoveTo command in the browser and choosing that folder name, with no confirmation required.  The menu also contain the items "Display" and "Delete", which are simply copies of the normal browser commands.  This option is convenient when walking through a browser, dispatching messages into other folders.  Of course, to move a message into some other folder not in the menu, use the regular MoveTo command; afterwards, the folder you choose will be added to the accelerated menu.
The menu does not appear until the first time you issue a MoveTo from this browser to a folder other than the default MoveTo (the one that middle-button chooses).  It is attached by default to the right-hand side of the browser window, but you can set LAFITE.AUTO.MOVE.MENU to one of the symbols LEFT, RIGHT, TOP or BOTTOM to be explicit about where you want it.
You can get an accelerated Move To menu when LAFITE.AUTO.MOVE.MENU is NIL (or before you have moved to a second folder) by selecting Enable Move To Menu from the middle-button title-bar menu.  In this case, you are asked to choose which folders you want in the menu.
You can separately close the menu without closing the browser window.  To reopen the menu, use the subcommand Restore Move To Menu from the title-bar menu.
Browser Title-Bar Menu
1

Lafite now automatically loads the formerly separate module LAFITEFIND.  In addition to the three Find commands available from the menu you get when you hold down the middle button in a browser's title bar, there are several new commands.  All are described here briefly for completeness.
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	Find	Searches the browser for one or more messages matching some search criteria, which are obtained by a series of additional menus and type-in:
1. Find {Next | Previous} {One | All} chooses between searching forward from the current message or backward, and whether to stop at the first matching message, or to go ahead and find all matching messages at once.
2. {From | Subject | Body | Mark | Related} indicates what part of the message to look at.  From and Subject specify the corresponding fields in the header of a message; Body specifies the entire message; Mark specifies the single-character mark to the left of the message number in the browser window; Related specifies using the Find Related command (below).
Actually, the From search specification is intended to match what you see in the browser window, which means you can also use it to search for messages you sent to another person;  i.e., From searches the From field of every message, and in addition searches the To field of messages from you.
A Body search is substantially slower than the others, since it has to scan the mail file, rather than just the table of contents.
3. Finally, you are prompted (in all except Related) to type a string (or single character if Mark) to search for.  Alphabetic case is irrelevant.
On a successful search, Lafite leaves as the browser's selection the single matching message (for One) or all matching messages (for All).
	Find Related	Searches for all the messages "related" to this one; specifically, for any message whose subject contains the current message's subject (minus an initial "Re:", if any) as a substring.  In most cases, this finds exactly the messages that were sent using the Answer command in reply to this message or to a subsequent reply.  Of course, if the current message's subject is empty or some short uninformative phrase (e.g., "bug"), the search may find more messages than you intended.  The search is normally forward; you can search backward with a subcommand.  At the end of this command, all related messages, including the current one, are selected, so you can use Display to cycle through them, MoveTo to put them all in some other folder, etc.  If you want to find only the first related message, use the Find command and choose the Related "part".
	Find Again	Repeats the previous Find command.  This is most useful when the previous search was a Find Next One or Find Previous One, in which case you can step through all matching messages one at a time using this command.  The "previous search" is global, i.e., not confined to the browser in which it was issued, so you can, for example, search one browser, then use Find Again to perform the same search in a different browser.
	Go to #	Scrolls the browser to a message specified by number and selects it (and unselects any other message).  You specify the number either via mouse with the numberpad reader or by typing digits from the keyboard.  The subcommands Go to First and Go to Last allow you to jump directly to the first or last message in the browser.
	Cancel Pending Hardcopy	If you have LAFITEHARDCOPYBATCHFLG set to T and have issued the Hardcopy command for one or more messages but not yet issued an Update (which will actually perform the hardcopy formatting), this command will cancel the hardcopy.
	Enable Move To Menu	Brings up an accelerated MoveTo menu, as described in the previous section.  The subcommand Restore MoveTo Menu simply restores an earlier MoveTo menu that you had closed, without asking what folders should be in it.
	Copy To	Copies the selected message(s) to the folder of your choice.  This is the same as MoveTo from the main menu, but it does not delete the message or mark it moved, nor is there a middle-button accelerator.
	Describe Folder	Prints in the browser's prompt window some descriptive information about the folder: its full file name, the number of messages, the number of deleted messages (if any), and the number of disk (512-byte) pages it occupies.  The subcommand Inspect Folder is intended for debugging; it brings up an inspector on the browser's MAILFOLDER object.
	Sort by Date	Sorts the browser's contents by date.  The subcommand Sort Selected Range sorts only between the first and last selected messages.  These commands are described further below.
Sorting Mail
1

Lafite now has the ability to sort messages in a browser in order of their "Date:" fields, using the titlebar command Sort by Date or its subcommand Sort Selected Range.  Messages lacking a Date field or having an unparseable Date field are sorted so as to remain next to the preceding message. The messages are sorted in the browser only, until you next Update, at which time the messages are written to the file in the sorted order.  When messages have been rearranged, the Update option Write Out Changes Only is not available, as there is no file format for out of order messages; you must Expunge, even if there are no deleted messages.
You can also have Lafite automatically sort new mail:
LAFITE.SORT.NEW.MAIL	[Variable]
If the value is T, Lafite always sorts new mail; if :MULTIPLE, Lafite only sorts when the mail was retrieved from more than one server.  Initial value is NIL.
Note that even when using a single mail server, mail can easily be out of order, due to the varying speeds at which messages pass through gateways, etc.  Sorting assures that the messages will appear in the order in which they were posted.  Sorting new mail seems fast enough that it is probably always worth doing; hence, the :MULTIPLE option may be dropped at some future time (send in your votes now).
Of course, to do the sorting, Lafite must now actually parse the Date field of messages.  This also allows Lafite to display the date in the browser in a canonical form, rather than one that varies with the whim of the sender's software.  Lisp's date parser (IDATE) was substantially beefed up to handle a wider variety of dates.  It now claims to handle all dates legal in RFC822 syntax (except the silly single-digit military time zones), plus a fair variety of other formats found in mailers of recent years.  The parser changes are in a module DATEPATCH loadable separately from Lafite.
Lafite considers dates older than 1970 spurious, so as to avoid being fooled by messages from machines that neglected to set the time.
With a new representation of dates, Lafite also has a new table of contents format.  If you browse a folder with an old-style toc, Lafite will print "(older format)" when it reads it.  Next time you do an Update, the toc will be written in the new format.  Old versions of Lafite cannot read the toc files saved by this new version of Lafite, so if you try to browse a new folder with an old Lafite it will be forced to parse the file from scratch.
Lafite does not automatically parse dates on old messages, so until you issue a Sort command, old message dates will still be displayed as whatever string the old toc saved, not the new canonical form.  In addition, when you do issue the Sort command, it must first go back and retrieve afresh all the date fields and parse them, an operation whose speed is dominated by the access time to your file system, much as parsing a folder from scratch.
Folder Hierarchy
1

This feature is based on a package written by Mike Dixon.
You can now organize your folders into a hierarchy, so that the folder menus presented by Browse and MoveTo are easier to use.  Folders are organized into groups.  A folder can be in any number of groups.  Groups can have subgroups.  The top level of the folder menu is composed of some or all of the groups, plus all folders that are not in any group.
The Edit Folder Hierarchy command on middle-button Browse lets you define new groups and change existing ones.
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	Edit Folder Hierarchy
	Edit a Group	The top-level command is the same as the subcommand Edit a Group.  Lafite brings up a menu of all your defined groups.  After you choose one, it offers you a choice of things to do to the group:
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Delete Group does just that.  Any folder in that group that is in no other group will reappear in the top-level folder menu.  Rename Group lets you change the name of the group.  Change Members prompts you with a menu of all folders, with the current group members preselected; you can add or remove folders.  The folders in this menu are arranged with the ones not yet in any group clustered together to make it easy for you when you are first defining groups.  Create Subgroup prompts you for the name of a new group, then which folders to put in it.  The new group will appear as a member of the submenu presented by the supergroup, and its members in turn appear as a submenu to that.  Change Subgroups lets you add or remove subgroups from the current group.
	Add New Group	Like Create Subgroup, but the new group appears at top level in the menu.
	Change Top-Level Groups	Prompts you to select which groups should appear in the top level of the folder menu.  By default, groups created with Add New Group appear in the top level, while groups created by Create Subgroup do not.  Regardless of your choice here, any group that is not currently a subgroup of another is included in the top level menu so that you don't lose it.
Note: the folder hierarchy is saved on your Lafite.info file, along with folder names and form names.  Older versions of Lafite do not know about this structure, but those since June 1988 will at least preserve it.  However, if you delete folders in an old version and then return to a new version of Lafite, the deleted folders may still appear in the hierarchy; you must manually delete them either by editing the variable LAFITE.FOLDER.STRUCTURE or by editing the file Lafite.info.
Mail Sending
1

There are two additional commands on the message composition window:
	Reply To	This command inserts a "Reply-to: Your Name" field in the header of the message.  The name is selected for pending delete, so if you want replies to be sent to a different address, you can just start typing it.  Lafite in Grapevine mode automatically prompts you to insert a Reply-to field at delivery time if one of the addressees has the syntax of a distribution list name (contains the character "^").  However, it can't figure this out for XNS or Arpa distribution lists, so you are strongly encouraged to insert the Reply-to field on your own with this command.
	Change Mode	This lets you change the mode of a message from GV to NS or vice versa.  This can be useful if you clicked SendMail while in the wrong mode, or you want to Answer a message but do so from the other side of the fence.  This command does not make any attempt to fix addresses already in the header to their other form; you have to do this yourself.  The one exception is that if the cc or Reply-to field consists exactly of your mail name in the old mode, it substitutes your name in the new mode.
In addition, the old Save Form command has been renamed simply Save.  This is in recognition of the fact that people seem much more often to want to save (checkpoint) messages in progress, than to create private mail forms.  The message window now remains open after using the Save command (close it as you wish).  When a previously saved message is ultimately delivered, you are asked whether you want to keep the saved form or delete it.  There is also a menu item Delete Message Form underneath middle-button Browse for deleting a saved message explicitly.  You can think of Save as a fancy version of TEdit's Put, which stores the message in your mail directory and remembers it (in the Saved Form menu) for a later Get.
You can now control whether Lafite bothers to ask you about whether to send a message formatted or not:
LAFITE.SEND.FORMATTED	[Variable]
This variable is consulted when you ask to deliver a message that has what TEdit considers non-trivial formatting<6E><67><00>%font shifts, paragraph formatting, image objects, or NS characters.  The choices are:
<EFBFBD>	NIL	Send it unformatted.
	:ASK	Prompt with a menu.
	T	Send it formatted without asking.
The value can also be a list of elements (formattingType answer), specifying that when (TEDIT.FORMATTEDFILEP message) is formattingType the decision is answer.  The initial value is
((NSCHARS :ASK)
 (CHARLOOKS :ASK)
 (PARALOOKS :ASK)
 (IMAGEOBJ T))
meaning to send messages with image objects formatted without asking (sending them unformatted is always a bad idea), but ask for all other kinds of formatted messages.
You can now send unformatted messages containing NS characters.  However, note that versions of TEdit before Medley did not fully understand NS characters in unformatted text, so you should not do this if you expect that some of your Lisp recipients have not yet upgraded to Medley.  If you never send messages to Koto or Lyric Lisp users (or don't care about this shortcoming), you might want to set the NSCHARS component of LAFITE.SEND.FORMATTED to NIL, i.e., have Lafite never send a message formatted merely because it contains NS characters.
Programs that compose message forms, such as those invoked from LAFITESPECIALFORMS, can specify that the message is to be delivered formatted without asking by giving the message (a textstream) the TEXTPROP property LAFITEFORMAT, value TEDIT.  If the message should turn out not to be formatted after all, it is sent as plain text, just as if the LAFITEFORMAT property were not present.
You can also select the mode of the message by giving the message the TEXTPROP property LAFITEMODE.  The value should be the mode, e.g., GV or NS.  With no such property, the message is sent in the current mode.
Here are some more message customization variables:
LAFITE.SIGNATURE	[Variable]
A string with which to "sign" your messages.  This string is appended to the standard message forms<6D><73><00>%those produced by<> the<68><65> SendMail, Answer, and Forward<> commands<64><73><00>%always starting it on a new line.<2E>  There should be a carriage return at the beginning of the string if you want a blank line to set off the signature.  The initial value is NIL, meaning no signature.
LAFITE.GV.FROM.FIELD	[Variable]
A string to use as the contents of the "From:" field of any Grapevine message you send that does not already have a From field.  It must be a valid Grapevine address specification that parses down to your Grapevine identity, including registry.  The usual syntax is "Human name <MailName.reg>", e.g., "Johann Amadeus Slonimsky III <Slo.pa>".
Note that unlike LAFITE.SIGNATURE, which appears in the message form itself, there is no visible evidence of LAFITE.GV.FROM.FIELD during message composition.  Lafite does not use its value until it is time to add the Date and From fields when it delivers the message.
These two variables are examples of Lafite "personal" variables, in that they are closely bound to the logged-in user.  The other is LAFITEDEFAULTHOST&DIR.   If you change the logged in user (e.g., by calling (LOGIN)), Lafite resets all these variables to NIL, but remembers their values in case you log in again as yourself.  This is designed to reduce confusion if you have more than one person using Lafite on the same machine.  The values for each user are remembered as the value of the variable LAFITE.USER.INFO, an association list of user name and values, the latter being in property list format.  Ordinarily you need not be aware of this variable, but you might, for example, want to initialize it with information about many users of a public machine.
Private DLs
1

Lafite now supports private distribution lists in outgoing messages.  A private distribution list (dl) is an indirection mechanism: it allows you to name a possibly large group of addressees without explicitly enumerating them in the header of the message.  Unlike a public dl, whose membership is maintained in the mail system's distributed database, a private dl is simply a file in which you have stored the real names.  The names in the file must be in standard syntax for the protocol you are using (GV or NS), just as you would type in the header of a message, except that names may be separated with one or more carriage returns, rather than commas, to enhance readability.  In addition, the Grapevine dl handler insists that the names be fully qualified, i.e., the Grapevine registry must be included.  This is to eliminate confusion in the case where the current sender is in a different registry than the maintainer of the dl.  Such a requirement would make NS dl's horrendously verbose, however, so we arbitrarily waive the restriction for them. Thus, be careful if you compose public NS dls.
The names in a Grapevine dl can make use of all the standard Grapevine syntax, which allows you to include comments in the file.  For example, you could have a line reading
	<Carstairs.wbst>   "Works with bj on the ACME project"
Since NS header syntax does not support such elaborate syntax, comments are not permitted in NS dl files.
The file may be a TEdit file; Lafite strips out the formatting before attempting to parse the addresses in it.
The syntax for a private dl in a message is
	To: dlfilename:;
i.e., the name of the file containing the real names, followed immediately by the two characters colon, semi-colon.  In an NS message, this syntax is actually parsed as the fully qualified Clearinghouse name dlfilename:;:defaultOrg, and will appear that way to the recipient, but Lafite treats this kind of name specially.  If the file name contains any characters whose syntax is significant<6E><74><00>%colon, semi-colon, parentheses, <20>and <20><>brackets<> for Grapevine, colon for NS<4E><53><00>%<25>the file name must be enclosed in double quotes.  For example,
	To: "{FS9:PARC:Xerox}<Carstairs>Mail>Friends":;
The file name need not be complete; Lafite fills in defaults to locate the file according to the following two variables:
LAFITEDL.EXT	[Variable]
The default extension of private distribution list files.  If a private dl is specified without an explicit extension, Lafite uses this extension when looking for the file.  The value is initially "DL".
LAFITEDLDIRECTORIES	[Variable]
List of directories on which private distribution list files may be found.  When you use a private dl in a message, Lafite searches LAFITEDEFAULTHOST&DIR, then this list, for the file containing the addressees.  The value is initially NIL.
Grapevine
1

Lafite now does a more thorough job of parsing Grapevine messages according to the RFC 822 specification and objecting to malformed addresses.  It also preserves full addresses when composing replies, rather than discarding all the commentary.
*GV-SHOW-POSTMARK*	[Variable]
When Lafite retrieves Grapevine mail, there is additional information about the transport of each message that Lafite normally discards as uninteresting, as it is for the majority of messages.  When the variable *GV-SHOW-POSTMARK* is true, Lafite preserves this information in an extra line in the header of the message.  The line reports the authenticated name of the sender, the time at which the message entered the Grapevine system, and the host from which it entered; for example,
	GV-Info: Carstairs.pa at  4-Jun-88 23:38:00 from 204#16#
Note that the variable only affects the retrieval of mail, not its display.  If the variable is NIL at the time of retrieval, the information is lost forever.  A compromise is to set the variable true, but add "GV-Info" to the appropriate filter lists (LAFITE.DONT.DISPLAY.HEADERS, etc.), so that you see it only when you Unhide the header.
NS Mail
1

The NS mail retrieval code correctly interprets messages that are really returned messages.  It now turns such messages into a description of a failed delivery, with a mail server as the apparent sender, instead of just putting a cryptic "TransportProblem" header in the message and leaving the header looking as though the message was from you.
The NS mail watcher no longer maintains a "session" on the mail server.  This reduces server load a bit, and means that there is no confusion if another client (either Lafite or Viewpoint) tries to retrieve the mail of a user who happens to be running Lafite on another machine at the same time.
Formatted mail in NS mode is now retrieved more efficiently, by adjusting the formatting information directly, rather than performing higher-level TEdit operations that require doing a Get and Put.  In addition to being faster, this avoids problems with messages that cannot be Put properly, such as those containing image objects unknown on the receiving side.
NS mail header fields are displayed in the order specified by the variable NSMAIL.HEADER.ORDER, independent of the order in which the mail system may have delivered them (the new Services 11 servers deliver some headers in an odd order).
Lafite now accepts messages sent in serialized format 3, which it turns out is identical to format 2.
NS Mail now handles "attachments" better.  This change was actually made in a special release of NS mail in September, 1987, but is included here for completeness, and to explain the extensions that handle reference objects.  Attachments are no longer left in your mailbox to be read later with, for example, Viewpoint.  Instead, Lafite retrieves the entire attachment and encapsulates it into an image object that is enclosed as part of the text message, immediately following the header.  A typical attachment appears in a mail message as:
`<00> <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><00><00><00><00><00>	<00><00><00>DW<12><><08><01><00>"DX<44><58><1D><<3C>lqg <20><>>*<2A><><EFBFBD><08>DӴ<44><D3B4> <20><> *<2A><><EFBFBD><08>@<40>$<24>"<00>A"<18><>!<08>@<40>$<24>"<00>A<11>!<08>D<EFBFBD>$<24>"<00><0C><><EFBFBD>9<EFBFBD>vs3 <20> <20><00><00><><00> <00><11><>%<25>qs<71><00>$&d<><64><00>$D<>	<00>$D<>	<00>"$dD<64>	<00><><EFBFBD>äDq<08><00><00><00><00><00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
If you click inside the object with any mouse button, you are offered a menu of things you can do with the attachment.  The choices vary according to the type of attachment:
	View as text	This brings up a window in which is displayed the raw content of the attachment as ascii bytes.  Runs of non-ascii bytes are replaced by nulls to reduce the amount of garbage.  Some attachments are utter gibberish, but some, such as Viewpoint documents and Interpress masters, contain sections that are plain text.  With this command, you may be able to decide whether you care to do anything further with the attachment.  (Sorry, there is no Viewpoint to TEdit converter, nor are there plans for one.)
	Put to file	This prompts you for a file name, and creates a file to contain the attachment.  The file must be on an NS file server for this command to be very useful; otherwise, information will be lost.  Once the file is so stored, you can retrieve it from Viewpoint and manipulate it just as if you had originally retrieved it as mail in Viewpoint.  If you are running in Lyric, you must have the module NSRANDOM loaded for this command to work.
	Send to Printer	This command is only available for attachments that are in the form of an Interpress master.  The command prompts you for a printer (which must be one that accepts Interpress, of course), and sends the attachment to it for printing.
	Expand folder	This command is only available for attachments that are in the form of a "folder".  A folder is a mechanism for collecting several objects into a single one.  The Expand folder command splits the attachment up into its component objects, each of which can be manipulated in the same way as a top-level attachment.  For example, if the folder contains an Interpress master, you can print it.
If you use the Put to file command on a folder, the name component of the file name you type will be treated as the name of a new subdirectory, and the components of the folder will appear as files in that subdirectory.  For other types of attachments, Put to file (usually) produces an ordinary (non-directory) file.
If the attachment is a Viewpoint "Reference" object, the View as text and Send to Printer commands apply to the file the reference mentions, not the attachment itself.  The Put to file command is renamed Store reference, to make it clear it applies to the reference object itself, rather than the file being referred to (which there is no point in copying, since Viewpoint can deal with the reference object itself just fine).  References to folders also offer the command FileBrowse, which brings up a FileBrowser (if you have it loaded) browsing the directory referred to.
Messages containing attachments are otherwise just like formatted messages<65><73><00>%you can move them to other folders, and you can forward them<> (assuming the mail is received by another Lafite recipient and did not have to pass through an information-losing mail gateway).
Lafite now sends plain text messages as "text attachments" rather than "mail notes", unless *NSMAIL-SEND-MAIL-NOTES* is true.  This avoids a nasty bug in Services 11.3 mail servers and should be completely transparent to users.
<EFBFBD><EFBFBD>There is currently <20>only a crude<64><65> mechanism for creating your own attachments to send to other users<>, as follows:  The attachment must be a file on an NS file server.  To send an attachment, place a line "Attached-File: XNS Filename" in the header of your message.  To send the file as a reference (this sends only a pointer to the file, not the file's content, so the recipient must have access to your server), use the line "Attached-Reference: XNS Filename".  You can have only one such line in the header, and the body of the message must be small enough to send as a mail note (less than 8000 characters).  Probably the only interesting kind of attachment to send currently is an Interpress master, which both Lafite and Viewpoint recipients will be able to print.  To "forward" an attachment you received in NS mail, you can use Put to File on the attachment, then compose a message with "Attached-Reference" or "Attached-File" referring to the resulting file.   Incompleteness: Most of the attributes of the file are lost when you send the file itself as an attachment, rather than a reference.  You cannot send directories as attachments.
Scavenger
1

Lafite's mail scavenger has been completely rewritten.  It now handles most simple cases of bad message lengths by altering the file in place, rather than laboriously copying the entire file to a scratch location.  The diagnostic output is more informative.  The scavenger is also integrated with the browser, so that if you browse a malformed folder and the browser reports "unable to parse", you are immediately offered the option of scavenging.
You can still scavenge manually by calling LAFITE.SCAVENGE, but ordinarily you should never need to do this.
(LAFITE.SCAVENGE FOLDERNAME ERRORMSGSTREAM FORGET?)	[Function]
FOLDERNAME is the name of the folder to scavenge, either a full file name, or abbreviated as it might appear in the folder menu.  ERRORMSGSTREAM is an output stream to which to direct diagnostic information; it defaults to the terminal.  If FORGET? is true, the folder is not added to the folder menu, just as if you had used the Browse & Forget command.
The old scavenger entry point MAILSCAVENGE.IN.PLACE is obsolete and has been removed.
Miscellaneous
1

The middle-button Browse command has a new subcommand Browse & Forget.  This command prompts for a file name and browses it with the :FORGET option, i.e., it does not add it to the folder menu.  Note that this command does not remove an existing folder from the menu, it merely refrains from adding a new one.  Also, since it is not in the menu, it will be inconvenient to move mail into it<69><74><00>%<25>you have to select "Other Folder" and type the name each time.  The command is intended for those times you want to browse some other user's mail folder that you do not plan to look at again.
Browse has another new subcommand Rename Folder, which you can use to change the name of a folder.  This renames the file(s) supporting the folder and fixes various menus.
Lafite's table of contents code now handles messages containing NS strings in the Subject field. This fixes the bug where browsing such a file would claim that the toc was inconsistent with the folder, throw away the toc file and reparse from scratch.  Also, the bug where Lafite reported "Folder is Empty" when discarding a malformed toc has been fixed.
The Lafite message file format has been very slightly extended to permit you to receive messages of up to 99,999,999 bytes (about 100MB!) in length.  This means it no longer is forced to split apart messages longer than 99,999 bytes, which did very bad things to large Viewpoint attachments and sometimes caused loss of mail server connection.  It also means that Lafite files are no longer exactly compatible with Laurel or Hardy format, in case anyone cares.  As mitigation, however, messages that fit in the old format (99,999 bytes or less) are converted back to the old format whenever they are moved (either by MoveTo or Expunge), so you can arrange for a Hardy-compatible file by moving all messages into another folder (assuming your messages are all short enough).
Lafite now treats folder names as strings, and does its best to (a) ignore alphabetic case within folder names and (b) preserve the case that you type when creating a folder.  This means, among other things, that you can now have mixed case in your LAFITEDEFAULTHOST&DIR, and that you can have folder names that are entirely numeric, such as "1186".
Lafite also keeps in its folder menu what the server considers the "canonical" name of each file to be.  This means that if your folders include a file not on your default directory with a host not specified by its canonical name, then the next time you browse this folder, Lafite will think it is a new folder, leaving you with a menu containing both the old and the new names.  Use the Forget Folders subcommand of Browse to dispose of such duplicates.
The information about your folders and message forms, formerly maintained in a file named LAFITE.PROFILE on your LAFITEDEFAULTHOST&DIR, is now kept in a file named LAFITE.INFO in a more extensible format.  When you first run the new Lafite, if you have no LAFITE.INFO file, it will read LAFITE.PROFILE instead and convert to the new format.
Lafite does a better job now of noticing whether a mail file has been changed out from under you.  It checks every time it opens the file, not just after logout.  If the mail file has been changed but you have unsaved changes to the browser, Lafite will offer to save your changes if the mail file has merely been appended to.  If, however, it has been expunged, so that the messages all live in different locations in the file, this is not possible, and the changes in your browser must be discarded.
When you return from logout and Lafite can't locate the file behind one or more of your browsers, it no longer closes the browser.  The next time you try to do anything with the browser, such as display a message, Lafite will again try to locate the file.  Thus, if the file server holding the file is down, you need only wait for it to come back up before using the browser, rather than having to rebrowse the folder.
The after-logout code now runs mostly in a separate process, which allows the call to LOGOUT to return faster.
Lafite files are now of type LAFITE, rather than TEXT, since they typically contain non-text content, such as NS characters and TEdit formatting.  On any kind of server but an NS file server, type LAFITE is usually coerced to BINARY.  You should be careful when copying old mail files (those that might have been written as type TEXT) to a server with a different end of line convention (e.g., between XNS and Unix).
LAFITE.HOST.ABBREVS	[Variable]
A list specifying abbreviations for commonly-used host and directory combinations.  This is useful if you regularly work with mail files on more than one directory.  Each element of LAFITE.HOST.ABBREVS is a list (abbreviation fullname), where abbreviation is a string ending in colon (and not containing any other filename punctuation) specifying the abbreviation you want to use, and fullname is a string specifying the full host and directory name for which you wish the abbreviation to stand.  You can use the abbreviation any place that Lafite prompts for a folder name, and Lafite will expand it accordingly.  Conversely, Lafite will replace fullname with abbreviation when it puts folder names into menus, title bars and such.  abbreviation can also be a list of abbreviations for the same directory, in which case Lafite will use the first element of the list when constructing abbreviated names, useful if you want the names to sort differently in the folders menu, or make the abbreviation stand apart from the rest of the name.
For example, if LAFITE.HOST.ABBREVS is
  ((("~Pooh~:" "Pooh:") "{pooh/n}<pooh>carstairs>mail>")
   ("Jo:" "{FS8:Parc:Xerox}<Josephine>Mail>"))
then if you type the name "Pooh:Active", Lafite will treat it as if you typed "{pooh/n}<pooh>carstairs>mail>Active", but will turn that full name into "~Pooh~:Active" when putting it in the folders menu.  Lafite only substitutes for entire directories, so, for example, it would not abbreviate "{FS8:Parc:Xerox}<Josephine>Mail>Old>August" to "Jo:Old>August".
LAFITE.HOST.ABBREVS is one of the variables that Lafite caches, so it will not notice changes to it until you either restart Lafite or use the Recache command.  And because host abbreviations take the syntactic form of a device field, you cannot use an abbreviation to stand for a directory that includes a device, e.g., {vax}dp1:<Fred>.
Changes to Programmer Interface
1

Well, actually, there is no documented programmer's interface.  Numerous internals have changed; this section lists but a few.
With the new handling of modes, nearly everything surrounding the use of \LAFITEUSERDATA and the record LAFITEOPS (and hence the variable LAFITEMODELST) has changed.  POLLNEWMAIL has been restructured; PRINTLAFITESTATUS behaves differently.  There is a new hook LAFITENEWMAILFN.  When this variable is non-NIL, its value is called, with no arguments, when the Lafite status window notes new mail.
The MAILFOLDER record has changed slightly.  The use of its FOLDERDISPLAYWINDOWS field is different.  The new field FOLDERDISPLAYREGIONS replaces BROWSERSELECTIONREGION.
The whole family of functions around \LAFITE.BROWSE has substantially changed.
Several functions have been deleted or renamed including LA.REMOVEDUPLICATES, LA.SETDIFFERENCE, PROFILEFILENAME, \LAFITE.MERGE.PROFILES (now \LAFITE.MERGE.NAMELISTS), CHANGEFLAGINFOLDER, \LAFITE.GETMAILFOLDER.
MAKEXXXSUPPORTFORM, when given an address in a-list form, chooses the first address in the list that is for a supported mode.  Thus, you can arrange to have Lisp Reports always go to an NS address (assuming NS mail is loaded), by making (NS . "NS Support Address") be the first element of LISPSUPPORT.  Special forms that call MAKEXXXSUPPORTFORM can also encourage a particular mode this way without having to switch the mode themselves.
Partial List of Fixed or Obsolete ARs
1


	267	Easy font changing
	307	Filter selected fields out of displayed msg?
	552	Make it easier to change logged in user
	1239	Recover from "Lafite is confused..."
	1249	Want automatic GetMail on icon expansion
	1273	Prompt for GV login if BadPassword error => Declined: use Login
	1389	Answer command should preserve entire address
	1644	Private dl's
	2143	Want detachable display windows that survive Update
	2421	Preserve case when creating files
	2433	Use GETBOXREGION to place window?
	2597	Check that GV headers conform to RFC822
	3168	Want user-specifiable browser/menu layout
	3174	List of regions for browser, display, etc
	3269	Update, GetMail etc should check creationdate/eof and rebrowse if needed
	4420	LAFITEHARDCOPY.MIN.TOC doesn't work with LAFITEHARDCOPYBATCHFLG
	4628	addresses lacking a closing double quote break with illegal arg 65536
	5109	Don't loop if bad NS password
	5110	Blank name (e.g. in Reply-to) completes to *:domain:org
	5111	Want name parser that doesn't add default registries
	5116	Parser loops forever if header address has unmatched paren or quote
	5117	Want way of dealing with NS Mail attachments without running Star
	5121	Close/Shrink menu includes "Expunge" even if no deleted messages
	5122	Simultaneously watch for both NS and GV mail
	5125	Case sensitivity in LAFITEDEFAULTHOST&DIR screws up MoveTo
	5129	Want browser title rearranged to avoid clipping important info
	5134	Message from self not noted if user not authenticated when folder browsed
	5137	Want to be able to keep display window open after browser shrunk
	5300	Answer NS message in GV mode does not give To field
	5541	Default status window off screen on small 1186 screen
	5638	Prune headers on forwarded messages
	6372	LAFITENEWMAILTUNE not on daybreak
	6260	Blank To/cc line parsed incorrectly
	6547	Can't put Arpa address in From field
	6918	Send unformatted dies in COPYBYTES illegal arg
	7244	Numeric folder names die in string-equal
	8643	(il:lafite 'il:off) breaks in SHADEITEM, menu = nil
	8679	Changing modes with Lafite off doesn't reset \LAFITEUSERDATA?
	8995	When toc discarded, says "Folder empty"


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