PostgreSQL
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Documentation Sources

Documentation sources include plain text files, man pages, an.shtml. However, most new Postgres documentation will be written using the Standard Generalized Markup Language (SGML) DocBook Document Type Definition (DTD). Much of the existing documentation has been or will be converted to SGML.

The purpose of SGML is to allow an author to specify the structure and content of a document (e.g. using the DocBook DTD), and to have the document style define how that content is rendered into a final form (e.g. using Norm Walsh's stylesheets).

Documentation has accumulated from several sources. As we integrate and assimilate existing documentation into a coherent documentation set, the older versions will become obsolete and will be removed from the distribution. However, this will not happen immediately, and will not happen to all documents at the same time. To ease the transition, and to help guide developers and writers, we have defined a transition roadmap.

Here is the documentation plan for v6.5:

Start compiling index information for the User's and Administrator's Guides.
Write more sections for the User's Guide covering areas outside the reference pages. This would include introductory information and suggestions for approaches to typical design problems.
Merge information in the existing man pages into the reference pages and User's Guide. Condense the man pages down to reminder information, with references into the primary doc set.
Convert the new sgml reference pages to new man pages, replacing the existing man pages.
Convert all source graphics to CGM format files for portability. Currently we mostly have Applix Graphics sources from which we can generate .gif output. One graphic is only available in .gif and .ps, and should be redrawn or removed.

Document Structure

There are currently five separate documents written in DocBook. Each document has a container source document which defines the DocBook environment and other document source files. These primary source files are located in doc/src/sgml/, along with many of the other source files used for the documentation. The primary source files are:

postgres.sgml: This is the integrated document, including all other documents as parts. Output is generated in HTML since the browser interface makes it easy to move around all of the documentation by just clicking. The other documents are available in both HTML and hardcopy.
tutorial.sgml: The introductory tutorial, with examples. Does not include programming topics, and is intended to help a reader unfamiliar with SQL. This is the "getting started" document.
user.sgml: The User's Guide. Includes information on data types and user-level interfaces. This is the place to put information on "why".
reference.sgml: The Reference Manual. Includes Postgres SQL syntax. This is the place to put information on "how".
programming.sgml: The Programmer's Guide. Includes information on Postgres extensibility and on the programming interfaces.
admin.sgml: The Administrator's Guide. Include installation and release notes.

Documentation Files

Table DG2-2. Postgres Documentation Sources

File	Status
./doc/src/graphics/catalogs.gif	Output file
./doc/src/graphics/clientserver.ag	Source file. Convert to CGM
./doc/src/graphics/clientserver.gif	Output file
./doc/src/graphics/connections.ag	Source file. Convert to CGM
./doc/src/graphics/connections.gif	Output file
./doc/src/graphics/layout.ag	Source file. Convert to CGM
./doc/src/graphics/layout.gif	Output file
./doc/src/sgml/about.sgml	New document
./doc/src/sgml/admin.sgml	Administrator's Guide container
./doc/src/sgml/advanced.sgml	Converted
./doc/src/sgml/arch-dev.sgml	Converted
./doc/src/sgml/arch-pg.sgml	Converted
./doc/src/sgml/arch.sgml	Converted
./doc/src/sgml/array.sgml	Converted
./doc/src/sgml/biblio.sgml	New document
./doc/src/sgml/bki.sgml	Converted from bki.5
./doc/src/sgml/compiler.sgml	New document
./doc/src/sgml/config.sgml	New document
./doc/src/sgml/contacts.sgml	Docs contributors? Not used. Either complete or discard
./doc/src/sgml/datatype.sgml	New document
./doc/src/sgml/dfunc.sgml	Converted
./doc/src/sgml/docguide.sgml	Documentation info. New document
./doc/src/sgml/ecpg.sgml	ecpg eSQL pre-compiler docs
./doc/src/sgml/environ.sgml	Converted
./doc/src/sgml/extend.sgml	Converted
./doc/src/sgml/func-ref.sgml	Converted
./doc/src/sgml/func.sgml	Converted
./doc/src/sgml/geqo.sgml	GEQO genetic optimizer docs
./doc/src/sgml/gist.sgml	New from mailing list
./doc/src/sgml/history.sgml	New document
./doc/src/sgml/indices.sgml	New document
./doc/src/sgml/info.sgml	New document
./doc/src/sgml/inherit.sgml	Converted
./doc/src/sgml/install.sgml	Installation instructions
./doc/src/sgml/intro-ag.sgml	Admin Guide intro. Converted
./doc/src/sgml/intro-pg.sgml	Programmers Guide intro. Converted
./doc/src/sgml/intro.sgml	Users Guide intro
./doc/src/sgml/jdbc.sgml	New document from Peter Mount
./doc/src/sgml/keys.sgml	New document
./doc/src/sgml/legal.sgml	Copyright etc. for intros
./doc/src/sgml/libpgtcl.sgml	Converted
./doc/src/sgml/libpq++.sgml	C++ library. Converted
./doc/src/sgml/libpq.sgml	C library
./doc/src/sgml/lobj.sgml	Large objects
./doc/src/sgml/manage.sgml	Converted
./doc/src/sgml/notation.sgml	Docs notation for intros
./doc/src/sgml/odbc.sgml	ODBC driver
./doc/src/sgml/oper.sgml	Converted
./doc/src/sgml/page.sgml	On-disk storage scheme
./doc/src/sgml/pg_options.sgml	Backend configuration
./doc/src/sgml/pgaccess.sgml	Converted
./doc/src/sgml/ports.sgml	Supported/unsupported platforms
./doc/src/sgml/postgres.sgml	Container for all docs. Best fo.shtml output
./doc/src/sgml/programmer.sgml	Programmer's Guide
./doc/src/sgml/protocol.sgml	Converted
./doc/src/sgml/psql.sgml	Converted
./doc/src/sgml/query-ug.sgml	Converted
./doc/src/sgml/query.sgml	Converted
./doc/src/sgml/recovery.sgml	Database recovery
./doc/src/sgml/reference.sgml	Converted
./doc/src/sgml/regress.sgml	Regression testing
./doc/src/sgml/release.sgml	Converted
./doc/src/sgml/rules.sgml	Rule system
./doc/src/sgml/runtime.sgml	Runtime environment. New for v6.4
./doc/src/sgml/security.sgml	Server security
./doc/src/sgml/signals.sgml	System signals for backend.
./doc/src/sgml/spi.sgml	Converted. Original removed
./doc/src/sgml/start-ag.sgml	Converted
./doc/src/sgml/start.sgml	Converted
./doc/src/sgml/storage.sgml	Converted
./doc/src/sgml/syntax.sgml	SQL syntax. In UG
./doc/src/sgml/trigger.sgml	Converted
./doc/src/sgml/tutorial.sgml	Container for tutorial
./doc/src/sgml/typeconv.sgml	Datatype conversion. New for v6.4. In UG
./doc/src/sgml/user.sgml	User's Guide
./doc/src/sgml/xaggr.sgml	Converted
./doc/src/sgml/xfunc.sgml	Converted
./doc/src/sgml/xindex.sgml	Converted
./doc/src/sgml/xoper.sgml	Converted
./doc/src/sgml/xplang.sgml	Programming Language. New for v6.4
./doc/src/sgml/xtypes.sgml	Converted
./doc/src/sgml/y2k.sgml	Y2K statement. New for v6.4
./doc/src/sgml/ref/abort.sgml	New for v6.4
./doc/src/sgml/ref/allfiles.sgml	List of files in ref/ (internal)
./doc/src/sgml/ref/alter_table.sgml	New for v6.4
./doc/src/sgml/ref/alter_user.sgml	New for v6.4
./doc/src/sgml/ref/begin.sgml	New for v6.4
./doc/src/sgml/ref/close.sgml	New for v6.4
./doc/src/sgml/ref/cluster.sgml	New for v6.4
./doc/src/sgml/ref/commands.sgml	List of commands (internal)
./doc/src/sgml/ref/commit.sgml	New for v6.4
./doc/src/sgml/ref/copy.sgml	New for v6.4
./doc/src/sgml/ref/create_aggregate.sgml	New for v6.4
./doc/src/sgml/ref/create_database.sgml	New for v6.4
./doc/src/sgml/ref/create_function.sgml	New for v6.4
./doc/src/sgml/ref/create_index.sgml	New for v6.4
./doc/src/sgml/ref/create_language.sgml	New for v6.4
./doc/src/sgml/ref/create_operator.sgml	New for v6.4
./doc/src/sgml/ref/create_rule.sgml	New for v6.4
./doc/src/sgml/ref/create_sequence.sgml	New for v6.4
./doc/src/sgml/ref/create_table.sgml	New for v6.4
./doc/src/sgml/ref/create_trigger.sgml	New for v6.4
./doc/src/sgml/ref/create_type.sgml	New for v6.4
./doc/src/sgml/ref/create_user.sgml	New for v6.4
./doc/src/sgml/ref/create_view.sgml	New for v6.4
./doc/src/sgml/ref/createdb.sgml	New for v6.4
./doc/src/sgml/ref/createuser.sgml	New for v6.4
./doc/src/sgml/ref/declare.sgml	New for v6.4
./doc/src/sgml/ref/delete.sgml	New for v6.4
./doc/src/sgml/ref/destroydb.sgml	New for v6.4
./doc/src/sgml/ref/destroyuser.sgml	New for v6.4
./doc/src/sgml/ref/drop_aggregate.sgml	New for v6.4
./doc/src/sgml/ref/drop_database.sgml	New for v6.4
./doc/src/sgml/ref/drop_function.sgml	New for v6.4
./doc/src/sgml/ref/drop_index.sgml	New for v6.4
./doc/src/sgml/ref/drop_language.sgml	New for v6.4
./doc/src/sgml/ref/drop_operator.sgml	New for v6.4
./doc/src/sgml/ref/drop_rule.sgml	New for v6.4
./doc/src/sgml/ref/drop_sequence.sgml	New for v6.4
./doc/src/sgml/ref/drop_table.sgml	New for v6.4
./doc/src/sgml/ref/drop_trigger.sgml	New for v6.4
./doc/src/sgml/ref/drop_type.sgml	New for v6.4
./doc/src/sgml/ref/drop_user.sgml	New for v6.4
./doc/src/sgml/ref/drop_view.sgml	New for v6.4
./doc/src/sgml/ref/explain.sgml	New for v6.4
./doc/src/sgml/ref/fetch.sgml	New for v6.4
./doc/src/sgml/ref/grant.sgml	New for v6.4
./doc/src/sgml/ref/initdb.sgml	New for v6.4
./doc/src/sgml/ref/initlocation.sgml	New for v6.4
./doc/src/sgml/ref/insert.sgml	New for v6.4
./doc/src/sgml/ref/listen.sgml	New for v6.4
./doc/src/sgml/ref/load.sgml	New for v6.4
./doc/src/sgml/ref/lock.sgml	New for v6.4
./doc/src/sgml/ref/move.sgml	New for v6.4
./doc/src/sgml/ref/notify.sgml	New for v6.4
./doc/src/sgml/ref/pg_dump.sgml	New for v6.4
./doc/src/sgml/ref/pg_dumpall.sgml	New for v6.4
./doc/src/sgml/ref/psql-ref.sgml	New for v6.4
./doc/src/sgml/ref/reset.sgml	New for v6.4
./doc/src/sgml/ref/revoke.sgml	New for v6.4
./doc/src/sgml/ref/rollback.sgml	New for v6.4
./doc/src/sgml/ref/select.sgml	New for v6.4
./doc/src/sgml/ref/set.sgml	New for v6.4
./doc/src/sgml/ref/show.sgml	New for v6.4
./doc/src/sgml/ref/update.sgml	New for v6.4
./doc/src/sgml/ref/vacuum.sgml	New for v6.4
./doc/src/sgml/ref/unlisten.sgml	New for v6.4
./doc/src/sgml/ref/vacuumdb.sgml	New for v6.4
./doc/src/sgml/ref/pg_upgrade.sgml	New for v6.4

Document Conversion

Table DG2-3. Postgres Documentation Sources

File	Status
./HISTORY	Obsolete. Converted to release.sgml
./README	Not converted
./INSTALL	Obsolete. Converted to install.sgml
./contrib/README	Not converted
./contrib/apache_logging/README	Not converted
./contrib/array/array_iterator.doc	Not converted
./contrib/datetime/datetime_functions.doc	Not converted
./contrib/earthdistance/README	Not converted
./contrib/int8/README	Not converted
./contrib/ip_and_mac/README	Not converted
./contrib/lo/README	Not converted
./contrib/mSQL-interface/README	Not converted
./contrib/noupdate/noup.example	Not converted
./contrib/pginterface/README	Not converted
./contrib/sequence/set_sequence.sql.in	Not converted
./contrib/soundex/soundex.sql.in	Not converted
./contrib/spi/README	Not converted
./contrib/spi/autoinc.example	Not converted
./contrib/spi/insert_username.example	Not converted
./contrib/spi/refint.example	Not converted
./contrib/spi/timetravel.example	Not converted
./contrib/string/string_io.sql.in	Not converted
./contrib/unixdate/unixdate.sql	Not converted
./contrib/userlock/user_locks.doc	Not converted
./doc/FAQ	Not converted
./doc/FAQ_DEV	Not converted
./doc/FAQ_FreeBSD	Not converted
./doc/FAQ_Irix	Not converted
./doc/FAQ_Linux	Not converted
./doc/TODO	Not converted
./doc/README.GEQO	Removed. Superceded by geqo.sgml
./doc/README.fsync	Assimilate into Admin Guide
./doc/README.locale	Assimilate into Admin Guide
./doc/README.mb	Assimilate into Admin Guide
./doc/README.mb.jp	Not converted
./doc/README.support	Not converted
./doc/TODO.GEQO	Removed. Superceded by geqo.sgml
./doc/userguide.ps	Removed (converted to SGML)
./src/DEVELOPERS	Not converted
./src/backend/access/nbtree/README	Not converted
./src/backend/catalog/README	Not converted
./src/backend/libpq/pg_hba.conf.sample	Not converted
./src/backend/libpq/pg_ident.conf.sample	Not converted
./src/backend/nodes/README	Not converted
./src/backend/optimizer/README	Not converted
./src/backend/optimizer/geqo/pg_geqo.sample	Not converted
./src/backend/optimizer/plan/README	Not converted
./src/backend/parser/README	Not converted
./src/backend/port/dynloader/README.dlfcn.aix	Not converted
./src/backend/regex/COPYRIGHT	Not converted
./src/backend/regex/WHATSNEW	Not converted
./src/backend/regex/re_format.7	Not converted
./src/backend/regex/regex.3	Not converted
./src/backend/storage/ipc/README	Not converted
./src/backend/storage/lmgr/README	Not converted
./src/backend/storage/smgr/README	Not converted
./src/bin/pg_dump/README	Not converted
./src/bin/pgaccess/README.pga	Not converted
./src/bin/pgaccess/formdemo.sql	Not converted
./src/bin/pgtclsh/README	Not converted
./src/data/charset.conf	Not converted
./src/data/koi-alt.tab	Not converted
./src/data/koi-iso.tab	Not converted
./src/data/koi-koi.tab	Not converted
./src/data/koi-mac.tab	Not converted
./src/data/koi-win.tab	Not converted
./src/interfaces/ecpg/ChangeLog	Not converted
./src/interfaces/ecpg/TODO	Not converted
./src/interfaces/jdbc/README	Not converted
./src/interfaces/jdbc/README_6.3	Not converted
./src/interfaces/jdbc/example/ImageViewer.java	Not converted
./src/interfaces/jdbc/example/basic.java	Not converted
./src/interfaces/jdbc/example/blobtest.java	Not converted
./src/interfaces/jdbc/example/datestyle.java	Not converted
./src/interfaces/jdbc/example/psql.java	Not converted
./src/interfaces/libpgtcl/README	Not converted
./src/interfaces/libpq/README	Not converted
./src/interfaces/libpq++/README	Not converted
./src/interfaces/libpq++/examples/testlibpq0.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq1.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq2.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq2.sql	Not converted
./src/interfaces/libpq++/examples/testlibpq3.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq3.sql	Not converted
./src/interfaces/libpq++/examples/testlibpq4.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq4.sql	Not converted
./src/interfaces/libpq++/examples/testlibpq5.cc	Not converted
./src/interfaces/libpq++/examples/testlibpq5.sql	Not converted
./src/interfaces/libpq++/examples/testlibpq6.cc	Not converted
./src/interfaces/libpq++/examples/testlo.cc	Not converted
./src/interfaces/odbc/license.txt	Not converted
./src/interfaces/odbc/notice.txt	Not converted
./src/interfaces/odbc/readme.txt	Not converted
./src/interfaces/perl5/MANIFEST	Not converted
./src/interfaces/perl5/Changes	Not converted
./src/interfaces/perl5/eg/example.newstyle	Not converted
./src/interfaces/perl5/README	Not converted
./src/interfaces/python/Announce	Not converted
./src/interfaces/python/ChangeLog	Not converted
./src/interfaces/python/README	Not converted
./src/interfaces/python/tutorial/advanced.py	Not converted
./src/interfaces/python/tutorial/advanced.pyc	Not converted
./src/interfaces/python/tutorial/basics.py	Not converted
./src/interfaces/python/tutorial/func.py	Not converted
./src/interfaces/python/tutorial/func.pyc	Not converted
./src/interfaces/python/tutorial/pgtools.py	Not converted
./src/interfaces/python/tutorial/pgtools.pyc	Not converted
./src/interfaces/python/tutorial/syscat.py	Not converted
./src/interfaces/python/tutorial/syscat.pyc	Not converted
./src/man/README	Not converted
./src/man/abort.l	Not converted
./src/man/alter_table.l	Not converted
./src/man/alter_user.l	Split into Reference and Admin Guide
./src/man/begin.l	Not converted
./src/man/catalogs.3	Catalog synopsis. Move to Programmer's Guide?
./src/man/cleardbdir.1	Not converted
./src/man/close.l	Not converted
./src/man/cluster.l	Not converted
./src/man/commit.l	Not converted
./src/man/copy.l	Not converted
./src/man/create_aggregate.l	Not converted
./src/man/create_database.l	Not converted
./src/man/create_function.l	Not converted
./src/man/create_index.l	Not converted
./src/man/create_language.l	Not converted
./src/man/create_operator.l	Not converted
./src/man/create_rule.l	Not converted
./src/man/create_sequence.l	Not converted
./src/man/create_table.l	Not converted
./src/man/create_trigger.l	Not converted
./src/man/create_type.l	Not converted
./src/man/create_user.l	Not converted
./src/man/create_version.l	Not converted
./src/man/create_view.l	Not converted
./src/man/createdb.1	Not converted
./src/man/createuser.1	Not converted
./src/man/declare.l	Not converted
./src/man/delete.l	Not converted
./src/man/destroydb.1	Not converted
./src/man/destroyuser.1	Not converted
./src/man/drop.l	Not converted
./src/man/drop_aggregate.l	Not converted
./src/man/drop_database.l	Not converted
./src/man/drop_function.l	Not converted
./src/man/drop_index.l	Not converted
./src/man/drop_language.l	Not converted
./src/man/drop_operator.l	Not converted
./src/man/drop_rule.l	Not converted
./src/man/drop_sequence.l	Not converted
./src/man/drop_table.l	Not converted
./src/man/drop_trigger.l	Not converted
./src/man/drop_type.l	Not converted
./src/man/drop_user.l	Not converted
./src/man/drop_view.l	Not converted
./src/man/end.l	Not converted
./src/man/ecpg.1	Short man page. Retain
./src/man/explain.l	Not converted
./src/man/fetch.l	Not converted
./src/man/grant.l	Not converted
./src/man/initdb.1	Not converted
./src/man/initlocation.1	Not converted
./src/man/insert.l	Not converted
./src/man/ipcclean.1	Not converted
./src/man/listen.l	Not converted
./src/man/load.l	Not converted
./src/man/lock.l	Not converted
./src/man/move.l	Not converted
./src/man/notify.l	Not converted
./src/man/pg_dump.1	Assimilate into Admin Guide
./src/man/pg_dumpall.1	Assimilate into Admin Guide
./src/man/pg_upgrade.1	Assimilate into Admin Guide
./src/man/pg_hba.conf.5	Assimilate into Admin Guide
./src/man/pg_passwd.1	Assimilate into Admin Guide
./src/man/pgintro.1	Assimilate into User's Guide?
./src/man/postgres.1	Assimilate into User's, Admin Guides
./src/man/postmaster.1	Assimilate into User's, Admin Guides
./src/man/psql.1	Not converted
./src/man/reset.l	Not converted
./src/man/revoke.l	Not converted
./src/man/rollback.l	Not converted
./src/man/select.l	Not converted
./src/man/set.l	Not converted
./src/man/show.l	Not converted
./src/man/sql.l	Not converted
./src/man/update.l	Not converted
./src/man/vacuum.l	Not converted
./src/pl/tcl/INSTALL	Not converted
./src/pl/tcl/modules/README	Not converted
./src/pl/tcl/license.terms	Not converted
./src/pl/tcl/test/README	Not converted
./src/pl/tcl/test/runtest	Not converted
./src/pl/tcl/test/test.expected	Not converted
./src/pl/tcl/test/test_mklang.sql	Not converted
./src/pl/tcl/test/test_queries.sql	Not converted
./src/pl/tcl/test/test_setup.sql	Not converted
./src/test/bench/WISC-README	Not converted
./src/test/locale/README	Not converted
./src/test/performance/results/PgSQL.970926	Not converted
./src/test/regress/README	Not converted
./src/test/suite/README	Not converted
./src/tools/RELEASE_CHANGES	Not converted
./src/tools/SQL_keywords	Not converted
./src/tools/backend/README	Not converted
./src/tools/backend/flow.fig	Not converted
./src/tools/backend/flow.jpg	Not converted
./src/tools/make_keywords.README	Not converted
./src/tools/entab/entab.man	Not converted
./src/tools/make_diff/README	Not converted
./src/tools/mkldexport/README	Not converted
./src/tools/pgindent/README	Not converted
./src/tutorial/README	Not converted
./src/utils/README	Not converted
./lib/pg_hba.conf.sample	Not converted
./lib/pg_geqo.sample	Not converted

Styles and Conventions

DocBook has a rich set of tags and constructs, and a suprisingly large percentage are directly and obviously useful for well-formed documentation. The Postgres documentation set has only recently been adapted to SGML, and in the near future several sections of the set will be selected and maintained as prototypical examples of DocBook usage. Also, a short summary of DocBook tags will be included below.

SGML Authoring Tools

The current Postgres documentation set was written using a plain text editor (or emacs/psgml; see below) with the content marked up using SGML DocBook tags.

SGML and DocBook do not suffer from an oversupply of open-source authoring tools. The most common toolset is the emacs/xemacs editing package with the psgml feature extension. On some systems (e.g. RedHat Linux) these tools are provided in a typical full installation.

emacs/psgml

emacs (and xemacs) have an SGML major mode. When properly configured, this will allow you to use emacs to insert tags and check markup consistancy.

Put the following in your ~/.emacs environment file:

; ********** for SGML mode (psgml)

(setq sgml-catalog-files "/usr/lib/sgml/CATALOG")
(setq sgml-local-catalogs "/usr/lib/sgml/CATALOG")

(autoload 'sgml-mode "psgml" "Major mode to edit SGML files." t )

and add an entry in the same file for SGML into the (existing) definition for auto-mode-alist:

(setq
  auto-mode-alist
  '(("\\.sgml$" . sgml-mode)
   ))

Each SGML source file has the following block at the end of the file:

!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"./reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
--

The Postgres distribution includes a parsed DTD definitions file reference.ced. You may find that

When using emacs/psgml, a comfortable way of working with these separate files of book parts is to insert a proper DOCTYPE declaration while you're editing them. If you are working on this source, for instance, it's an appendix chapter, so you would specify the document as an "appendix" instance of a DocBook document by making the first line look like this:

!doctype appendix PUBLIC "-//Davenport//DTD DocBook V3.0//EN"

This means that anything and everything that reads SGML will get it right, and I can verify the document with "nsgmls -s docguide.sgml".

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