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Interleaf FAQ -- Frequently Asked Questions for comp.text.interleaf

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***  INTERLEAF FAQ  --  Frequently Asked Questions for comp.text.interleaf  ***

    This "FAQ" document is arranged into nine sections:

	0.	What's new in the FAQ
	1.	Introduction - General info
	2.	Administration
	3.	Importing/Exporting, 3rd party tools, customizing
	4.	Miscellaneous user questions
	5.	Platform specific questions
	6.	Interleaf6
	7.	Cyberleaf
	8.	Intellecte/BusinessWeb
	Appendix. Other Information: newsletters; ftp, gopher and WWW sites.

    and then broken down further, in outline form rather than "FAQ list" form.
    All section and sub-section numbers are in the form "a.b.c.d", and begin
    in column 1 for easy searching in your favorite editor.


0. 	What's new in the FAQ

	27 February 1998 rev 3.3
	- Updated description of Filtrix
	- Corrected location of leaf2html
	- Minor corrections to list of contributors


	3 January 1998. Rev 3.2 Add anti-spam to mail addresses. ram

	22 February 1997 rev 3.1 First release of Pat Berry's major change
	-minor changes in form of revision comments. ram.

        21 February 1997 rev 3.0 (not released)
        - New maintainer (Pat Berry, berrpm@aur.alcatel.com)
        - Deleted lots of out-of date information
	- Updated Interleaf's mailing address
	- Added note on creating Postscript files with IL6 for Win95/NT
	- Added user groups for Sweden and France
	- Added import/export filters for IL6 for Win95/NT
	- Added Intellecte/BusinessWeb section
	- Corrected various WWW and email addresses
	- Corrected Interleaf Inc. phone numbers
	- Deleted information about ICON conference
	- Corrected list of contributors
	- Incorporated numerous sections from the FAQ written by Julie Barker
	  in 1994
	
	14nov95 rev 2.5
	- update some www references

	rev 2.4 
	-remove reference to leafline bb--no longer in service

	rev 2.3
	-added section 7 on Cyberleaf
	-minor spelling errors corrected

	21dec94 rev 2.2
	- add pointers to Julie Barker FAQ list, update archive
	pointers. 

	04dec94

	- Change revision level to 2.0 to reflect that Interleaf 6 is
	now included (as it was on recent previous revision). No
	substantive changes.

	17nov94

	- Section 0 ("What's new")
	- Section 6 ("Interleaf6"),

	- Appendix  ("Other information") added by ram@cs.umb.edu; minor
	  revisions by ram@cs.umb.edu

	- Update references to I6 as though it were a future release, which it
	  no longer is.


1.	Introduction


1.1.	 What is Interleaf?

	Interleaf, Inc. provides software and services to allow organizations
	to build, integrate and manage document systems.  Interleaf software
	covers the full range of document processes: accessing information,
	developing text and graphic documents,  putting them through their
	review and revision processes,  distributing them electronically or on
	paper, and managing the entire process.

	"Interleaf 6" is a document authoring and composition package.  It
	provides an integrated set of tools for creating compound documents:
	word processing, graphics, data-driven business charts, tables,
	equations, image editing, automated page layout, book building-
	including automatic index and TOC, conditional document assembly.  It
	includes several features engineered to support the production of large
	and complex document sets, including:  centralized control over parts
	or all of a document (format and/or content), global search and
	replace/change on individual graphics objects regardless of specific
	orientation or position, revision management.

	Also available (on some platforms) is the optional Developer's Toolkit 
	(DTK) for customizing or extending the capabilities of the above 	
	authoring tool.  Developer's Toolkit is used to write programs in 
	Interleaf Lisp.  Interleaf Lisp is similar to CommonLISP, but it also 
	contains an extensive set of classes, methods, and functions for 
	examining and changing almost all Interleaf objects, including 
	documents and their contents.  DTK includes an editor, debugger, 
	compiler, listener, interpreter, and on-line documentation.  Lisp code 
	developed with DTK, or even written with an ordinary editor, can be 
	executed by the stock system, so that customization or the provision of  
	special functionality is not limited to installations with DTK.  In 
	fact, much of the distributed system is written in Lisp.

	Another option for Interleaf 6 is "Interleaf 6 " which provides
	complete support for creating structured documents in SGML.

	Other products available from Interleaf include the following:

	"RDM" (Relational Document Manager) organizes, tracks and manages
	documents and data, and automates every stage of the document
	lifecycle.

	"Worldview" distributes information from virtually any source in
	document form for online viewing on virtually any computer.  It
	combines electronic viewing with hypertext navigation and full-text
	retrieval.

	"Intellecte/BusinessWeb" provides a Web browser interface to 
	RDM respositories and WorldView collections via HTML- and 
	Java-based search engines.  Other Intellecte offerings provide a 
	number of different solutions; contact your Interleaf representative 
	for the latest offerings.


1.2.	What platforms does Interleaf run on, and what are the latest versions?

	Full details are on Interleaf's Web page http://www.interleaf.com

	Interleaf 6:

	Interleaf 6.1 has been released on certain Unix platforms with
	the Motif User Interface. The product is available for Sun,
	HP, IBM, and DEC (OSF 1 1.3.x) workstations. Requirements for
	memory range from 16mB to 32mB and disk requirements from 36
	to 68mB, in addition to minimum swap space of from 32-64 mB
	per session, with 64-128mB per host.

	Interleaf 6.2 has been released for Windows NT and Win95.


	Interleaf 5:

	Interleaf 5.4 remains available on the following workstation
	platforms:  DG Aviion, DEC VAX/VMS, DEC Ultrix, HP 700, HP
	300/400, HP/Apollo (Domain), IBM RS/6000, 
	Motorola Delta 8000, Sun-3, Sun-4, Silicon Graphics Iris.

	The "standard" version of Interleaf 5 provides a UI consistent across
	all the platforms it runs on.

	DOS:  (386/486)
	Interleaf 5.4 for DOS is the current edition.
	
	The 5.4 release includes international
	localizations for French, German and Italian, Full Revision Tracking,
	support for DEC Pathworks, improved/additional video device driver
	support, and better support for running from within a Microsoft Windows
	3.1 environment (as a DOS application).  Since Interleaf has not
	completed work on the remaining localizations for Dutch, Spanish and
	Swedish interfaces, this release is seeing limited distribution in
	North America.  The additional languages and other new features will be
	included in the upcoming release, Interleaf 5.4 for DOS.  Customers can
	upgrade from Interleaf IBM Publisher 3.x. (aka version 1.x) to version
	5.2.02 or wait for version 5.4.  Interleaf 5 for DOS is interoperable
	with the Unix and VMS based versions.  It includes all the
	functionality of the workstation-based product (tables, equations,
	charting, graphics, etc.) plus some additional features that allow the
	user to run in Microsoft Windows 3.1 environments without extra memory
	managers or special set-ups.  Features planned for v5.4 include a new
	simplified GUI install, 32-bit color image support and a new font
	hierarchy to greatly reduce disk footprint.

	MAC:
	The current version is Interleaf Publisher for the Mac, version 3.6.
	This product does not conform to the Mac UI, and is no longer available
	from Interleaf.

	Interleaf has announced that no further Macintosh releases are
	planned, though using a Macintosh as an X-server, with the
	software running on a remote Unix system, is perfectly feasible.


1.3.	How much does Interleaf cost?

	Interleaf pricing depends on the exact configuration purchased
	and option packaging varies from country to country. There are 
	several different "options" for Interleaf 5 and 6, 
	including DTK, Revision	Tracking, and Book Catalogs.  The
	"base model" Interleaf license is *very* competitive with
	FrameMaker, or other similar systems.  Adding 
	the above options can be quite expensive.  Many sites use a network
	pool of many inexpensive "basic" licenses plus a few expensive "full
	blown" licenses.

	It has been noted that universities receive a tremendous educational
	discount, and that commerical and educational license costs for
	Interleaf and its competitors differ greatly depending on which country
	you live in and which platform you are buying.  In the US, full-blown
	Interleaf 6 is available to accredited colleges and universities for
	about $200 per site, plus handling.  See the web page at
	http://www.cs.umb.edu/~serl for a pointer to details. That
	page describes a program which applies only to North American 
	universities.Terms for institutions of higher education in
	other countries  (and for businesses and individuals as well)
	vary by country.


1.4	How does Interleaf compare to {FrameMaker,IslandWrite,WordPerfect,etc.}?

	This is a religious and/or political issue for many, and it is very
	hard to provide an objective answer.  The following summarizes a few
	majority opinions from the frequent discussions in the newsgroup.

	Frame is generally considered to be a "mid-range" application; it is
	easy to learn, but experienced users find complex tasks difficult or
	impossible.  Many I5 users hate the "toolbox", "Mac/PC-like"
	interface. 

	Interleaf is thought of as a "high-end" system; it is difficult to get
	started, but expandable and powerful when advanced tasks must be done.
	While many new users abhor the I5 UI, a seemingly equal number
	of experts praise it.  I6 for unix has a traditional Motif
	interface whose graphics editory is largely toolbox based.  6.1
	offers a combination of traditional Motif/MSWindows style
	interface with optional "power user" UI features.

	Interleaf's document creation metaphor is object-oriented and
	structured in approach, in contrast to the page-layout orientation of
	many "Desktop Publishing" products like Frame, Quark, PageMaker, etc.
	This is often a widely misunderstood difference when comparing
	Interleaf to other "similar" products.

	IslandWrite, WordPerfect, MS-Word, et al. have been considered
	low end applications, but as they improve on their
	capabilities, Interleaf distinguishes itself from them in the
	complexity and size of documents it can deal with, in its
	level of integration of text and graphics, and in its open
	architecture for third party extensibility.


1.5	How can I find out more information about Interleaf?

	Interleaf, Inc.
	62 Fourth Avenue
	Waltham, MA 02154-9524
	USA
	(617) 290-0710

	US and Canada toll-free service numbers:
	 Customer Support Center             (800) 688-5151
	 Training Registration               (800) 955-5323, press 3
	 Interleaf Direct (product orders,   (800) 955-LEAF
	   identify nearest office)
	 User Groups, product literature (800) 756-5323
	
	http://www.interleaf.com/

	Email:
 	 Customer Support Center	support@interleaf.com
	 Passwords			password@interleaf.com
	 Training Registration		enroll@interleaf.com

	There are over 50 Interleaf USER GROUPS worldwide.  For information on
	the nearest one, or for assistance on starting one, contact Interleaf
	at 1-800-456-5323 (outside North America, call (800) 955-5323 and 
	press 5 for marketing information, as described below).

	To receive Interleaf's quarterly newsletter and product announcements,
	just send a request to "add me to your mailing list" to the home office
	in your country.  Include your name, title, company, mailing address
	and telephone number.  Also let them know which Interleaf products
	you're using, and on which computer platforms.  Send it to the
	attention of "Marketing."

	Bundled with service contracts in North America is 24-hour dial-in
	access to Customer Support's comprehensive "Releaf24" knowledgebase.
	Contract customers can request "Releaf24 Registration Guidelines" by
	calling 1-800-688-5151 or by sending email to support@ileaf.com.  Some
	subsidiaries outside the US plan to offer this soon.

	Occasionally, patch tapes are available to fix bugs or add 
        functionality between major releases.  Contact your local sales 
        representative for this information.

	Customer Services.  The toll-free (US and Canada only) customer 
	contract line give you one-stop convenience for all your sales needs.  
	Call (800) 955-5325.  Press 1 for Software Sales (place an order, 
	request a catalog, check pricing and order status); press 2 for Support  
	Contract Sales (order upgrades, purchase a new support contract, renew 
	an existing support contract); press 3 for Training Registration 
	(register for a course, request a current training catalog); press 4 
	for Reseller Information (find out about VARs in your area); press 5 
	for Marketing Information (get news for trade shows, user groups, and 
	events in your area, learn about new programs and promotions). 


1.6	What does FAQ mean?

	If you don't know what a FAQ is, you need to learn more about Usenet.
	Read the introductory postings in news.announce.newusers.


1.7	Why doesn't this FAQ contain info on ?

	This FAQ is biased toward the Unix Workstation platforms, but that is
	probably a function of the popularity of Interleaf on various
	platforms, the popularity of competing products, and the areas of
	expertise of the FAQ contributors.  If you have valuable information 
	that we missed, or if our assumptions that you are running Unix 
	confuse things, we welcome your suggestions on how to improve this 
	document.

	If something in the FAQ doesn't work for you, it may be due to the
	version of the software you're running, or the platform you're
	running it on.  Most of the active newsgroup posters and FAQ
	contributors seem to be running very recent versions of Interleaf
	(5.4, 6.0 or later) and have Unix workstation platforms,
	usually including SunOS.

	This FAQ is *NOT* intended to be a substitute for the standard
	Interleaf documentation.  Hopefully it will contain the most frequently
	occurring issues that are hard-to-find or absent from the
	documentation.


1.8	Should I post my question to comp.text.interleaf?

	- Understand the introductory information in the news.announce.newusers
	  newsgroup.  Be sure to read the "Rules for posting to Usenet" 
          posting.

	- Read this FAQ.

	- Post to local.test or misc.test if you've never posted before.

	If your question is still unanswered, post it.  Be sure to include all
	the necessary information as appropriate such as:

		The version of Interleaf you are running (including patches)
		The hardware platform you are on
		The version of your Operating System and windowing system
		How much memory and swap space you have
		What type of printer it won't print on
		etc.
	
	This information is also important when you are asking your question
	via email to someone.


1.9	My site does not get netnews. Is there a ListServ or other
	mail gateway for comp.text.interleaf?

	-No.

1.10	Who wrote this FAQ?

	Thanks to the following FAQ contributors:
    _____name_____    _____email_____                ____claim-to-fame_______
    Heidi Daitch      heidi@interleaf.com            Interleaf
    Brian Diehm       briand@tekig5.PEN.TEK.COM      newsgroup contributor
    Ted Fabian        tpf4434@tm0006.lerc.nasa.gov   Interleaf admin
    Amy Farrell       Amy.K.Farrell@tek.com          Interleaf admin/user 
						     expert
    Deborah Graham    djg@interleaf.com              Interleaf Doc Supervisor
    Adam Harrison     eros@cs.pdx.edu                FTP site maintainer
    Daniel Haug       haug@austin.lockheed.com       newsgroup contributor
    Tom Jones         tjones@access.digex.net        FAQ editor
    Stephen Keller    stephenk@zeugma.lmc.com        newsgroup contributor
    Christine King    bcking@interleaf.com           Interleaf lead VMS 
						     engineer
    Alek Komarnitsky  alek@spatial.com               newsgroup contributor
    David Lightman    dalight@afterlife.ncsc.mil     newsgroup contributor
    Hal Miller        hmiller@tasc.com               newsgroup contributor
    Jon Monssarat     jgm@cs.brown.edu               general netnews wizard
    Robert Morris     ram@cs.umb.edu                 LISP guru, FAQ editor
    Nils-Peter Nelson npn@cbnewsl.cb.att.com         newsgroup contributor
    Bret Pettichord			             former interleafer
    Randyl Plampin    cplampin@ix.netcom.com         FAQ editor
    Bill Rea          billr@ims.com                  FAQ editor
    Danny Schales     dan@engr.latech.edu            newsgroup contributor
    Randy Smith       smithrh@cig.mot.com            Interleaf admin, ng  
						     contributor
    George Snyder     gjs@inmet.com                  newsgroup contributor
    Eric Sosman       eric@interleaf.com             Interleaf VMS engineer
    Anne Tice         tice@dg-rtp.dg.com             newsgroup contributor
    Todd Williams     todd@macsch.com                Unix sysadmin, FAQ editor
    Brian Wong        blw@majipoor.corp.sun.com      newsgroup contributor
    Dorene Woodrow			             former Interleafer

	You can send mail to the Interleaf FAQ Editors at 	
	leaf-faq-editors@cs.umb.SPAM-NOT.edu.



2.	ADMINISTRATION


2.1	Interleaf administration vs. Unix administration of Interleaf

	The Interleaf System Administration manual provides procedures that
	require the administrator to be running Interleaf, manipulating icons,
	etc., and running Interleaf programs like printer_install and
	prhost_install -- is this really necessary?

	No.  But Interleaf has mixed feelings about providing "Interleaf
	procedures" and "Unix procedures" for the same tasks.  Most of the
	Interleaf procedures have easy Unix shortcuts, but use them at your
	own risk.  The Interleaf equivalent of "ln -s" takes several mouse/
	menu operations.  Some administrators edit their printers.lsp file
	directly (or have their custom shell script do it), never running
	the printer_install or prhost_install programs.

	In the DOS version of Interleaf 5, many of these tasks have been
	simplified and moved into the hands of the end users.  For example,
	prhost_install and printer_install have been merged into one program
	which is run by the user from within Interleaf 5 itself.


2.2	Printing


2.2.1	Can I create PostScript files on the desktop in Interleaf?

	Yes.  The administrator runs printer_install and creates a new
	"printer" named "PostScript" (or whatever).  Choose filtering on the
	desktop, the "Other PostScript printer" model, use the NULL.PPD file,
	face down output, and choose *not* to spool to the printer.  Whatever
	menu name you chose (I suggest "") will now appear in
	the printer menu.  When selected, it will output to a PostScript file
	in the current directory.  The filename will have a suffix of "_ps"
	(no, Interleaf hasn't learned the ".ps" Unix convention).
	[the previous paragraph works fine on the 5.3 Sun version of Interleaf;
	for other platforms, your mileage may vary]

	Adventuresome hackers can simply insert the following into their
	/interleaf/ileaf5/data/printers.lsp file (on Unix hosts):
		(
		:netname "PostScript"
		:menuname ""
		:filt-args ("-ppd" "NULL.PPD" "-ft" "3")
		:pdltag "ps"
		:filter "pl2ps"
		:install "ps_install"
		:ps-type1 ("-ft" "3")
		:ppdfile "NULL.PPD"
		:rvopt " "
		:european " "
		:physical-printer "PostScript"
		:spool "n"
		:filter-loc "desktop"
		:type "ps"
		:model "Other PostScript printer"
		:id :bsd-other-ps
		)

	On Interleaf 5 for DOS, this comes as a default setup.

	On Interleaf 6 for Win95/NT, you can create Postscript files with the 
	"Print to file . . ." system printer option.


2.2.2	Can Interleaf 5 create Encapsulated PostScript files (EPS files)?

	Yes.  Beginning with Interleaf 5.3, you have the ability to create EPS
	3.0 files as an option under the printer pulldown menu.  To add this
	functionality simply add another printer using printer_install.  Select
	"EPS File" as the printer type.  This will add EPS to your PRINT menu.
	When printing to EPS, the EPS file will contain one entire page
	(including page #, etc.).

	In Interleaf 5 for DOS, add the "-EPS" option to the switch settings
	for creating PS files in the Printer Setup Tool, and save this as a
	new menu entry ("Create EPS File").

	If you want to filter an object that will be placed on a page in some
	other program, you'll need to set the document size appropriately.
	(Unless there is some other way to let Interleaf know where the
	boundaries of the object are.)  Since a typical EPS file is one graphic
	object, you can set the frame size to "Contents," then back to "Fixed"
	to see the actual size of the graphic.  Then, open the Page property
	sheet and enter the frame height and width values as the page size.
	(If someone knows a better way, we'd like to hear about it.)

	There are some subtle differences between PostScript files and EPS
	files.  Each format has its appropriate uses, so both are discussed
	here.  See the comp.lang.postscript FAQ for the gory details.

	One idiosyncrasy of Interleaf-generated EPS files is the line
		%%BoundingBox: (atend)
	Some programs insist on having the BoundingBox at the beginning of
	the document, so if you have an application which chokes on Interleaf
	EPS, move this line to the initial comments section.


2.2.3	Are there special problems with SPARCprinters using NeWSprint?

	Maybe.  Some users have noted problems with SPARCprinters, and other
	note problems with certain fonts or frames or bullets looking "dirty".
	Make sure you have the right PPD file.
	[This section is still under construction.  If you have info to add,
	please send a summary to the editors]


2.2.4	Printerleaf-to-PostScript

	The pl2ps command can be very useful in debugging printing problems.
	Create a printerleaf (*.pl) output file by selecting "Printerleaf" in
	the Printers menu.  Now you can convert this to a PostScript file by
	running pl2ps.  Execute "pl2ps -usage" for a summary of options.  A
	typical invocation would be:
	    % pl2ps  -v  -ppd NULL.PPD  -i docname.pl  -o docname.ps
	The -v (verbose) flag is useful for debugging.  You must always specify
	a PPD file -- this is a good way to test PPD files.


2.2.5	PPD (PostScript Printer Definition) Files

	Adobe PostScript Printer Description (PPD) files describe how to use
	the standard and special features (hardware and software) on a
	specific PostScript printer.  This would include things such as which
	fonts are resident, if duplexing is supported, how many trays exist
	and which paper sizes are available.  PPD files are created by the
	printer manufacturer, not Interleaf.  Interleaf only includes a few of
	the most popular ones on its distribution tape.

	Interleaf PPD files are located in the /interleaf/ileaf5/data/ps
	directory.  These files are usually named with the printer's
	designation and the version of PostScript being used (e.g.,
	LWNTX470.PPD means Apple LaserWriter NTX with PostScript version 4.70).

	Since the Apple LaserWriter is the simple, standard least-common-
	denominator of printers, you can probably get by using the default
	APPLE422.PPD file if you are running Interleaf 5.0 through 5.3.0.
	If you are using version 5.3.1 of Interleaf, you can probably get
	by using the NULL.PPD file.  If these files don't work (i.e., you
	still can't print), or if you want to use advanced capabilites
	your printer may have, you need to get the correct PPD file for your
	printer.

	How to get PPD files.  If you have a printer that isn't on the
	Interleaf tape, you can obtain PPD files directly from Adobe.
	Adobe has an automated mail server that can e-mail PPD files
	(and a bunch of other stuff) directly to you over the
	Internet.  To find out what PPD files are available send mail
	to: ps-file-server@adobe.com.  In the body of the message, on
	the first line, type: "index PPDFiles".  The server will send
	you a list of the PPD files it has available.  For information
	on how to use the server, send another e-mail message to
	ps-file-server@adobe.com.  In the body of the message, on the
	first line, include one word: "help".  The server will send
	you a message describing how to access information.

	All the PPD files on the Adobe server follow the version 4 PPD
	specification.  This means that you must upgrade to version 5.3.1 or
	higher of Interleaf to use type-4 PPD files.  Contact the printer
	manufacturer if you need an older type-3 PPD file.


2.2.6	How do I suppress the Interleaf header page by default?

	The administrator should change the Print->Properties in the original
	document, which lives in the SYSTEM CREATE cabinet; then any new
	documents created will inherit those values.  This change is probably
	effected most easily when the administrator has created a MASTER
	SYSTEM5 CABINET icon on his desktop -- see the administration manual
	for details.


2.2.7	Where can I get more specific information about my Brand XYZ printer?

	See the comp.periphs.printers and comp.lang.postscript newsgroups.


2.2.8	My output seemed to go to the printer, but nothing printed!

	One good way to debug PostScript printing problems is to download a
	PostScript error handler program.  This is a simple PostScript program
	that you "print" to your printer (but no output is generated).  You
	now have an error-handler "loop" running until printer power is cycled.
	If your Interleaf output generates improper PostScript code, instead of
	silently exiting, you will get an error message printed on a page of
	output, which may be of use to a PostScript guru, your printer vendor,
	etc.  You can get an error handler from the Adobe mailserver (see
	"PPD files", above).

2.2.9	Can I print an Interleaf doc without actually running Interleaf?

	Use the -print startup option when you enter the Interleaf 5
	startup command. This prints a document without opening a
	desktop. You supply the name(s) of the document as an
	argument.

	You can specify a printer other than the nearest printer, print
	multiple copies/uncollated copies, print odd or even numbered
	pages, and print a range of pages.

	To specify a printer other than the nearest printer established
	for the workstation, add :printer NAME as an argument to the
	command line option. The default is the nearest printer, which
	may not be the one you want.

	Example:  To print 5 copies of pages 2 through 15 of the
	document plan.doc on the printer ely, use the following command:

	  ileaf -print :copies 5 :first 2 :last 15 :printer ely plan.doc

	Syntax:  Here's the syntax:

	-print {:KEY VALUE}*  DOCUMENT*
	 Print specified files in batch mode.  Optional KEY VALUEs are
	 :printer NAME, :copies NUM, :collated T|NIL, :parity
	 :even|:odd, :first NUM, :last NUM.

	(To get info on all of the available startup options, type
	ileaf -usage.)

2.3	File management

2.3.1	What are all these ,8 and ,9 files on my desktop?

	For every Interleaf document file.doc, you get a set of additional
	files with assorted filename extensions. At Interleaf 5, the
	filename extensions are as follows:
	
           filename.doc  the document
	 filename.doc,1  the backup version of the document
	 filename.doc#1  a copy of the document
       filename.doc#1,1  the backup version of the copy
	 filename.doc,2  the checkpoint version of the document
	 filename.doc,3  the crash version of the document
	 filename.doc,4  the work-in-progress version of the document
	 filename.doc,5  Lisp methods associated with the document
	 filename.doc,6  Lisp data associated with the document,
			 most often Hyperleaf Toolkit data (see 2.18)
	 filename.doc,8  an autonumbering and autoreferencing summary file 
			 for this document
	 filename.doc,9  an indexing summary file for this document
	 .@filename.doc  an attribute file with information on document
	    		 attributes and icon position

	When you copy normal documents (without Hyperleaf TK data -
	locators or hypertext links), move them, send them through email, 
	etc, the only version you need is the plain .doc version.

	backup version (filename.doc,1)
		 The backup version is made by Interleaf automatically
		 (based on the number of keystrokes you make or mouse
		 movements in a graphics frame).  You can use this
		 file to recover lost changes if something disastrous
		 happens when you are working on a doc and you don't
		 have a chance to save a crash file, eg a power cut.
 
                 In such a case, list the files to see if the .1 version  
                 has a later time stamp than the .doc version. If it has, 
                 rename the ,1 version (eg backup.doc) and open that - this
                 should recover some if not all of your changes.

    		 For example:

		 % ls -l body*
		 -rw-r--r--  1 julie       16382 Jan 27 18:15 body.doc
		 -rw-r--r--  1 julie       18052 Jan 27 18:27 body.doc,1
		 -rw-r--r--  1 julie         532 Jan 27 16:42 body.doc,8
		 % mv body.doc,1 body-backup.doc

	crash version  (filename.doc,3)
		If you get an Interrupt stickup (eg SIGSEGV signal) in the
		middle of editing a document, you can save your document
		in a crash file (the File option). Select the File option
		for as many open documents as you are working on and then
		exit. When you next try to open your original document you
		will get a popup telling you that a crash file exists and
		offering you the choice which version of the doc you want
		to open. If it no good, you can always revert to another 
		version (backup, saved).

	work-in-progress (filename.doc,4)
		This is created when you execute Close in a document
		you have modified and choose Hold on the stickup. It is
		also created if have more than 4 docs open at once in a
		book.  You can change this limit in the user profile.
		With 4 edited and unsaved docs open, when you open a
		5th  document, Interleaf will close one of the first 4,
		keeping all changes you have made in a work-in-progess
		file. Next time you open a doc with a work-in-progress
		file, Ileaf automatically opens that version.

	        **NOTE:	See also Bugs & Workarounds section**

   	attribute file (.@filename.doc)
		This is the file that controls where the icon appears
		on the screen. When you copy a file to your desktop
		using the OS and it doesn't appear on the desktop, it's
		because the file has no associated .@ file. When you do
		a rescan, a .@ file is created. When you delete a file
		from an Interleaf directory using the OS and you don't
		delete the associated .@ file, the icon will remain

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