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<h2>Table of contents</h2>
<blockquote><ul>
<li><a href="#Introduction">Introduction</a>
<li><a href="#Servers">Servers</a>
<ul>
<li><a href="#Development_files">Development sources and bug reports</a>
<li><a href="#Distribution">Distribution</a>
</ul>
<li><a href="#Release_numbering">Release numbering</a>
<li><a href="#Making_distributions">Making distributions</a>
<ul>
<li><a href="#Preparing_source">Preparing the source code</a>
<li><a href="#Testing">Testing</a>
<li><a href="#Changelog">Updating the Changelog</a>
<li><a href="#Making_Tarballs">Making the source distribution</a>
<li><a href="#Testing_on_Windows">Testing on Windows</a>
<li><a href="#Windows_distribution">Building the Windows distribution</a>
<li><a href="#Finishing_up">Finishing up</a>
<li><a href="#Beta_distributions">Beta distributions</a>
<li><a href="#Public_releases">Public releases</a>
</ul>
<li><a href="#After_releasing">After releasing</a>
<li><a href="#GPL_releases">GPL Ghostscript releases</a>
<ul>
<li><a href="#GPL_code">AGPL code</a>
<li><a href="#GPL_after_releasing">After releasing (AGPL)</a>
</ul>
<li><a href="#Fonts">Fonts</a>
</ul></blockquote>
<!-- [1.2 end table of contents] =========================================== -->
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<p>For other information, see the <a href="Readme.htm">Ghostscript
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<!-- [2.0 begin contents] ================================================== -->
<h2><a name="Introduction"></a>Introduction</h2>
<p>
This document describes the process for making new Ghostscript releases.
Please note
that while the the license allows anyone to prepare and distribute
releases in accordance with its terms and conditions, this document is
really meant only to document the process used by Artifex Software, Inc.
However, the eventual purpose of this document is to describe
Ghostscript release procedures in enough detail that someone who knows
little about Ghostscript but is generally familiar with the platform on
which the procedure is being carried out can execute the procedures
correctly. So if you add or changing anything to/in this document,
be sure to specify all command lines, file names, etc. in explicit
detail.
<p>
If you do plan to make your own distribution, please be aware of some items
you will want to change.
<ul>
<li>If you make any significant changes, please edit
<code>base/gscdef.c</code> to change <code>GS_PRODUCTFAMILY</code>
and <code>GS_PRODUCT</code> from "GPL Ghostscript" to something else,
in order to avoid confusion with Artifex releases.
<li>In the same file, you may also want to edit <code>GS_COPYRIGHT</code>
to add your own copyright notice (although you must not remove any
notice that is there).
<li>You will almost certainly want to edit <code>version.mak</code> to
change the revision date, <code>GS_REVISIONDATE</code>.
<li>If you want to change the release number, you must change it in all the
places listed under <a href="#Release_numbering">"Release numbering"</a>
below.
</ul>
<hr>
<h2><a name="Servers"></a>Servers</h2>
<p>
The GPL Ghostscript files are maintained on sites accessible to
the public. One specific site hosts the active SVN repository for code,
data, and documentation, and the bug report data base; several sites
offer distributions with release numbers, intended for wider
distribution.
<h3><a name="Development_files"></a>Development sources and bug reports</h3>
<p>
The primary repository for GPL Ghostscript is <a
href="http://www.ghostscript.com/" class="offsite">ghostscript.com</a>.
Please check there first for any news about releases or current work,
and for information about where to download ghostscript and how to
access the mailing lists.
Development source access is through <a
href="http://svn.ghostscript.com/"
class="offsite">svn.ghostscript.com</a>.
<p>
It may also be helpful to
read the SourceForge Ghostscript home page (<a
href="http://sourceforge.net/projects/ghostscript/"
class="offsite">http://sourceforge.net/projects/ghostscript/</a>).
<h3><a name="Distribution"></a>Distribution</h3>
<p>
Stable, beta, and development releases are all available from
<blockquote>
<br>
<a href="http://ghostscript.com/download/"
class="offsite">http://ghostscript.com/download/</a>
</blockquote>
<hr>
<h2><a name="Release_numbering"></a>Release numbering</h2>
<p>
Ghostscript uses a two-part (major.minor) release number. The second part
of the release number is a 2-digit decimal fraction: it counts 00,
01, 02, and so on through 99.
<ul>
<li>Release numbers N.0x and N.5x indicate stable versions.
<li>Successive increments generally indicate bug fixes and minor enhancements.
<li>Development, testing and beta releases generally begin with a minor release number that is
a multiple of ten and increment from there.
</ul>
<p>
Release numbers appear in the following places in the Ghostscript files:
<ul>
<li>In <code>Resource/Init/gs_init.ps</code>, as an integer (release
number x100) at the beginning of the
file just after the initial comment blocks.
<li>In <code>base/version.mak</code>, split into 3 lines.
<li>In <code>doc/News.htm</code>, in the two headers and their labels and at the very end in
the copyright footer.
<li>At the foot of most documenation files. However, these are updated mechanically from the value
in <code>News.htm</code> as part of the release process and do not need to be maintained
directly.
</ul>
<h3>Before a release</h3>
<p>
The current release number in the development code must be set to the desired value. The increment
from just after the previous release (see below) is sufficient for minor updates. In the case of
major changes or a new stable release, the number will need to be bumped; this is generally done
as the first step of preparing a new release.
<h3>After a release</h3>
<p>
After making a release the release number in the repository is
incremented. Thus versions built from svn are always marked with a
future (or unused) release number to avoid confusion.
<p>
Additionally, After an N.00 or N.50 stable release, a branch is made in svn so that development
can continue independently of changes to the stable series. When this happens, the minor release
number is incremented by 10 (or 20) on the development branch (and by 1 on the new stable branch,
as above) to avoid collisions.
<p>
While incrementing the release number after making a release may seem
counter-intuitive, it ensures that, at any given time, the version
number alone is sufficient to distinguish between the current SVN
state and a numbered release.
<hr>
<h2><a name="Making_distributions"></a>Making distributions</h2>
<p>
This document only discusses source distributions. Source distributions
currently can only be made on Linux systems (but it probably wouldn't take
much work to support other Unix systems). Ghostscript as distributed also
often includes executables or other packages for the Windows and MacOS
environments, but upstream does not always produce these, and this
document does not discuss them.
<p>
To make a source distribution, you will need the scripts and data files in
the <code>toolbin/</code> directory. The instructions below generally
assume that you're invoking the relative to the top level of the source
tree.
To run the scripts, you will need reasonably current versions of Tcl,
freely available from Scriptics
(<a class="offsite" href="http://www.scriptics.com"><tt>http://www.scriptics.com</tt></a>), and
Python, freely available from <a class="offsite"
href="http://www.python.org"><tt>http://www.python.org</tt></a>.
<p>
The instructions below also refer to some files that are deliberately
omitted from the public distribution, because they are not freely
redistributable. You will need to provide similar files for your
environment.
<blockquote><pre>
<code>data/*/*.ps</code> (PostScript files) - needed for smoke testing
</pre></blockquote>
<h3><a name="Preparing_source"></a>Preparing the source code</h3>
<p>
If necessary, update the release number by incrementing it as described in
<a href="#Release_numbering">Release numbering</a> above.
<p>
Update references to the date for release:
<ul>
<li>In <code>version.mak</code>, the numeric date.
<li>In <code>doc/News.htm</code>, in two places, skipping the Id:
line. That is, in parentheses after the <tt>VERSION X.YY</tt> heading,
and in the copyright footer both the year and the release date.
<li>In <code>psi/dwsetup.rc</code> and <code>psi/winint.mak</code>,
update the year in the embedded copyright notice.
</ul>
<p>
We recommend using a UTC release date to avoid timezone skew.
<p>
Also in <code>doc/News.htm</code>, update the number of the highest
closed bug and the list of open bugs.
<p>
Check in <code>gscdef.c</code> that the definition of
<code>GS_PRODUCT</code> includes the appropriate one of "DEVELOPMENT
RELEASE", "BETA RELEASE", or neither, and does not include "SVN PRE-RELEASE".
<p>Run the source-consistency checks from the test suite:
<blockquote><pre>
toolbin/tests/check_all.py --gsroot=.
</pre></blockquote>
Where the argument of --gsroot is the path to the top level of the
source tree. Fix any problems it indicates, and commit them to svn.
<p>
Check for patched configuration parameters, <code>#define TEST</code>s,
version/date inconsistencies, and mismatches between the working directory
and the SVN repository by running:
<blockquote><pre>
toolbin/pre.tcl
</pre></blockquote>
<p>
This program compares the result of various greps against a check file,
writing the results of grep on one output file and the differences from the
check file on another. See the source code for the default file names. The
important one is the check file,
<code>toolbin/pre.chk</code>. <code>pre.tcl</code> also verifies
that the
right information is in the following places:
<ul>
<li>release number in <code>man/*.1</code>, <code>doc/*.htm</code>,
<code>version.mak</code>, <code>doc/gs-vms.hlp</code>,
<code>Resource/Init/gs_init.ps</code>
<li>revision date in <code>man/*.1</code>, <code>doc/*.htm</code>,
<code>version.mak</code>, <code>doc/gs-vms.hlp</code>
<li>copyright year (if necessary) in <code>gscdef.c</code>
<li>third-party library version number in <code>*.mak</code>
</ul>
<p>
If necessary, run
<blockquote><pre>
toolbin/pre.tcl update
</pre></blockquote>
<p>
to update the version and revision date in the doc files, and then run
<blockquote><pre>
toolbin/pre.tcl
</pre></blockquote>
<p>
again. To confirm that everything is updated. You may have to commit to
svn after the update to satify the script that all the dates are
correct.
<p>
Check the consistency of the source code with the makefiles by
running:
<blockquote><pre>
toolbin/gsmake.tcl check
</pre></blockquote>
This script assumes the top level makefile is named '<tt>makefile</tt>'.
<p>
Fix any problems and commit to svn.
<h3><a name="Testing"></a>Testing</h3>
<p>
Edit your top-level the Makefile to set
<blockquote><pre>
FEATURE_DEVS=$(FEATURE_DEVS_ALL)
COMPILE_INITS=1
</pre></blockquote>
<p>
This will help catch compilation problems.
<p>
Run
<blockquote><pre>
rm obj/*
make -j2 >& make.log
</pre></blockquote>
<p>
and look for warnings and errors in the log file.
<p>
Do a smoke test, updating the example paths as necessary:
<blockquote><pre>
unset GS_DEVICE GS_FONTPATH GS_LIB GS_OPTIONS
./bin/gs -I./lib -I./fonts -dNOPAUSE -dBATCH toolbin/smoke.ps
./bin/gs -I./lib -I./fonts -dNOPAUSE -dBATCH -sDEVICE=bitcmyk\
-sOutputFile=/dev/null -r600 -dBufferSpace=200000 toolbin/smoke.ps
</pre></blockquote>
<p>
This reads files named
<blockquote><pre>
<code>data/misc/*.ps</code>
<code>data/ps/*.ps</code>
<code>data/psl2/*.ps</code>
<code>data/psl3/*.ps</code>
</pre></blockquote>
<p>
(Edit <code>toolbin/smoke.ps</code> to use other test sets.)
Watch for crashes, unusual error messages, or anomalous displayed output.
If there are any problems, start over from the beginning of the process.
<p>
Undo the <code>FEATURE_DEVS</code> and <code>COMPILE_INITS</code>
edits.
<p>
Run
<blockquote><pre>
svn commit
</pre></blockquote>
<p>
to ensure the repository is up to date.
<h3><a name="Changelog"></a>Updating the changelog</h3>
<p>
Create a new changelog by running
<blockquote><pre>
svn log -rHEAD:<i>rev</i> --xml --verbose > doc/changelog.xml
</pre></blockquote>
where <i>rev</i> is the revision number of the branch point for the
previous release.
<p>
This consolidates all the commit logs since the previous release in a
readable format. You may also wish to remap user names in the
<author/> tags of the output to the real names of the developers.
<p>
Create the html-format changes and details documents as follows:
<blockquote><pre>
cd doc
../toolbin/split_changelog.py changelog.xml Changes.htm Details.htm
cd ..
</pre></blockquote>
<p>
The xml changelog file can now be deleted.
<p>
[Deprecated]<br>
Copy the contents of News.htm and Changes.htm into a new section in
History8.htm, and News.htm and Details.htm into Details8.htm. Then
update the hyperlinks in History8.htm to point to Details8.htm instead
of Details.htm so these remain valid after the next release.<br>
[/Deprecated]<br>
<br>
As of Ghostscript 9.02, to reduce the pointless duplication of information,
Changes.htm and Details#.htm have been deprecated.
Copy the contents of Changes.htm into a new section in History9.htm, and ensure
the links in News.htm are updated to reference the new section in History9.htm.
<p>
Then run
<blockquote><pre>
svn commit
</pre></blockquote>
<p>
again to check in the Changes and history files.
<h3><a name="Making_Tarballs"></a>Making the source distribution</h3>
<p>
First, tag the versions of the files in svn with the release version
number.
<blockquote>
<pre><tt>svn cp svn+ssh://svn.ghostscript.com/svn/ghostscript/trunk/gs \
svn+ssh://svn.ghostscript.com/svn/ghostscript/tags/ghostscript-#.##</tt></pre>
</blockquote>
If you've already tagged this release (e.g. in making an earlier
release candidate) you'll need to svn rm the old tree first. We
recommend just appending 'rc<i>n</i>' to the end of release candidate
tag names, or a '.<i>n</i>' tiny release number to post-release fixes.
<p>
Pull a fresh copy for distribution from the repository:
<blockquote><pre>
<code>svn export http://svn.ghostscript.com/ghostscript/tags/ghostscript-#.##</code>
</pre></blockquote>
<p>
Generate the text versions of the README document:
<blockquote><pre>
cd ghostscript-#.##
lynx -dump -nolist doc/Readme.htm > doc/README
</pre></blockquote>
<p>
Add copies of needed third-party libraries for the release. Versions
of the normally required ones are included in the repository so this
is only needed when doing special feature releases.
<p>
For the unix source distributions only, generate the configure
scripts. From the top level directory, run
<blockquote><pre>
./autogen.sh
make distclean
</pre></blockquote>
This should create links to <tt>configure.ac</tt> and
<tt>Makefile.in</tt> in the top level directory and
invoke autoconf to create the <tt>configure</tt> script.
<p>
Also run <tt>make distclean</tt> in the <tt>jasper</tt> subdir to
clean up any incidental config there. If you get a warning,
for example if the build files think they need updating
and not all the tools are available, be sure to run <tt>autoreconf &&
make distclean</tt> to avoid version skew issues.
You may also need to manually remove the <tt>autom4te.cache</tt> directory.
<p>
Move back to directory containing the distribution code and make the
source archives with:
<blockquote><pre>
tar cvzf ghostscript-#.##.tar.gz ghostscript-#.##/*
zcat ghostscript-#.##.tar.gz | bzip2 -c > ghostscript-#.##.tar.bz2
</pre></blockquote>
<p>
This creates the files
<blockquote><pre>
<code>ghostscript-#.##.tar.gz</code> (main archive)
<code>ghostscript-#.##.tar.bz2</code> (main archive)
</pre></blockquote>
<p>
The important issue is that the tarballs unpack into a directory
of the same name, and that the code be a pristine copy without
build or .svn housekeeping files.
<p>
It is also customary to make a <tt>gs###src.zip</tt> archive for the
convenience of windows developers. See below.
<h3><a name="Testing_on_Windows"></a>Testing on Windows</h3>
<p>
For Windows testing, you will need, in addition to the files listed
under "<a href="#Preparing_source">Preparing the source</a>" above:
<blockquote><pre>
<code>toolbin/makewin.tcl</code>
</pre></blockquote>
<p>
The following procedures rely on a large number of MS-DOS batch scripts that
are not discussed here: they are unlikely to be generally useful.
<p>
Mount the Windows partition on <code>/c</code>, and create the
<code>/c/work</code> directory if needed.
<p>
Make the zip archive of all files needed for a Windows build, and copy it to
the Windows partition:
<blockquote><pre>
toolbin/makewin
cp gs###.zip /c/work
</pre></blockquote>
<p>
Boot into Windows. Unpack the archive:
<blockquote><pre>
cd \work
unzip -oq gs###.zip
gs###
</pre></blockquote>
<p>
The <code>gs###.bat</code> script creates some necessary directories,
sets up <code>PATH</code> and <code>GS_LIB</code> for testing, and
makes the <code>gs#.##</code> directory current.
<p>
Build with the Borland compiler:
<blockquote><pre>
config bcwin32
copy /y /b ..\gs\makefile
erase obj\*.*
make > bc.log
</pre></blockquote>
<p>
Smoke test the executables (both <code>gswin32</code> and
<code>gswin32c</code>), as described above for source distributions.
Then build with the Microsoft compiler:
<blockquote><pre>
config msvc32
copy /y /b ..\gs\makefile
erase obj\*.*
nmake > msvc.log
</pre></blockquote>
<p>
Smoke test these executables too.
<p>
Building with the Watcom compiler doesn't work, because the
<code>wmake</code> or <code>wmakel</code> program runs out of memory.
However, if it did work, this is how to do it:
<blockquote><pre>
config watcw32
copy /y /b ..\gs\makefile
erase obj\*.*
wmake -u > watc.log
</pre></blockquote>
<p>
Boot back into Linux. If testing in Windows revealed problems, edit the
source files as necessary, and go back to <a
href="#Preparing_source">"Preparing the source code."</a>
<h3><a name="Windows_distribution"></a>Building the Windows distribution</h3>
<p>
Extract the sources from <code>ghostscript-N.NN.tar.gz</code>
then repackage in a zip file as follows:
<blockquote>
<code>zip -r temp.zip gsN.NN/LICENSE gsN.NN/doc gsN.NN/examples
gsN.NN/icclib gsN.NN/ijs gsN.NN/jasper gsN.NN/jbig2dec gsN.NN/jpeg
gsN.NN/lib gsN.NN/libpng gsN.NN/base gsN.NN/psi gsN.NN/Resource
gsN.NN/zlib</code>
</blockquote>
Unzip converting the line endings to CRLF:
<blockquote>
<code>unzip -a temp.zip<br>
del temp.zip</code>
</blockquote>
Then finally zip up the sources to the distribution file:
<blockquote>
<code>zip -9 -r -X gsNNNsrc.zip gsN.NN</code>
</blockquote>
This method is reasonably portable, and does not convert binary
files such as
<code><a href="../examples/annots.pdf">examples/annots.pdf</a></code>.
<p>
Unzip <code>gsNNNsrc.zip</code>.
The directory must be named <code>gsN.NN</code>.
<p>
Extract the fonts <code>ghostscript-fonts-std-#.##.tar.gz</code>
into a directory <code>fonts</code> adjacent to the
<code>gsN.NN</code> directory.
The fonts are needed in this location for building
the distribution archive later.
<p>
You will need the command line Info-Zip zip program available from
<a href="http://www.info-zip.org/pub/infozip/">
http://www.info-zip.org/pub/infozip/</a>
Alternatively, the command line version of WinZip
(<code>wzzip.exe</code>) can be used by replacing the
Info-Zip command line options <code>-9 -r</code>
with <code>-ex -P</code> in
<code><a href="../psi/winint.mak">winint.mak</a></code>.
<p>
You will need WinZip Self-Extractor for building the
self extracting archive. This is commercial software.
You may need to update the path <code>WINZIPSE_XE</code> in
<code><a href="../psi/winint.mak">winint.mak</a></code>.
<p>
Unzip the jpeg, libpng and zlib libraries, then make ghostscript
as documented in <a href="Make.htm">Make.htm</a>.
<p>
Run the command <code>nmake archive</code>. This builds the distribution
archive <code>gsNNNw32.exe</code> and an ordinary zip file
<code>gsNNNw32.zip</code> in the parent directory.
If you do not have WinZip Self-Extractor, you can use
<code>nmake zip</code> to make <code>gsNNNw32.zip</code> only.
<p>Starting with Ghostscript 9.x (Summer 2010), <code>nmake nsis</code> (msvc)
or <code>make nsis</code> (Borland) builds an nsis-based installer
<code>gsNNNw32.exe</code>. This requires
<a href="http://nsis.sourceforge.net/">Nullsoft Scriptable Install System</a>.
You may need to update the path <code>MAKENSIS_XE</code> in
<code><a href="../psi/winint.mak">winint.mak</a></code>.
<h3><a name="Finishing_up"></a>Finishing up</h3>
<p>
Upload <code>ghostscript-#.##.tar.*</code> to SourceForge (by anonymous
FTP to <code>upload.sourceforge.net</code>, directory
<code>/incoming</code>), and then post it using the "File Release"
facility in the Ghostscript project. Put the release in the appropriate
package, usually "GPL Ghostscript".
If you are adding executable builds or source archives for other
platforms to an existing source release, please use the same release
date as the source release, not the current date.
<h3><a name="Beta_distributions"></a>Beta distributions</h3>
<p>
Do the steps for distributions in general.
<p>
Upload <code>ghostscript-#.##.tar.*</code> to
<code><a href="http://ghostscript.com/download/"
class="offsite">http://ghostscript.com/download/</a>
</code>.
<h3><a name="Public_releases"></a>Public releases</h3>
<p>
Do the steps for distributions in general.
<ul>
<li>MS Windows source and executables:</li>
<blockquote><pre>
<code>gs###w32.exe</code>
<code>gs###w64.exe</code>
</pre></blockquote>
<li>Third-party libraries, as links (upload these if not installed), where
<code>$$$</code> et al. refer to the version number of the library, which
should be the latest compatible release of the library and should be
consistent with the values of and version numbers specifically listed in
the makefiles.</li>
</ul>
<blockquote><pre>
<code>jpegsrc.v$$.tar.gz</code> -> <code>../../3rdparty/jpegsrc.v$$.tar.gz</code>
<code>libpng-$.$.$.tar.gz</code> -> <code>../../3rdparty/libpng-$.$.$.tar.gz</code>
<code>zlib-$.$.$.tar.gz</code> -> <code>../../3rdparty/zlib-$.$.$.tar.gz</code>
<code>jpegsr$$.zip</code> -> <code>../../3rdparty/jpegsr$$.zip</code>
<code>lpng$$$.zip</code> -> <code>../../3rdparty/lpng$$$.zip</code>
<code>zlib$$$.zip</code> -> <code>../../3rdparty/zlib$$$.zip</code>
</pre></blockquote>
<p>In any case, the names of the links in the distribution directory should reflect
the original name of the upstream file.</p>
<ul>
<li>Fonts, where <code>$.$$</code> refers to the most recent version
number of the fonts:</li>
<blockquote><pre>
<code>ghostscript-fonts-other-$.$.tar.gz</code> -> <code>../fonts/ghostscript-fonts-other-$.$.tar.gz</code>
<code>ghostscript-fonts-std-$.$.tar.gz</code> -> <code>../fonts/ghostscript-fonts-std-$.$.tar.gz</code>
</pre></blockquote>
</ul>
<p>
(Note that the link names are somewhat inconsistent: some of them retain the
version number of the file being referenced, and some of them use the
Ghostscript release number. This is a historical artifact that might be
changed someday.)
<p>
E-mail the release announcement using:
<blockquote><pre>
To: gs-announce
</pre></blockquote>
<p>
Also update the documentation snapshots on the website.
<hr>
<h2><a name="After_releasing"></a>After releasing</h2>
<p>
Update the release number by incrementing it as described in <a
href="#Release_numbering">Release numbering</a> above.
<p>
In <code>gscdef.c</code>, edit the definition of
<code>GS_PRODUCT</code> to include "SVN PRE-RELEASE".
<p>
Edit <code>doc/News.htm</code> to remove all the content.
<hr>
<h2><a name="Fonts"></a>Fonts</h2>
<p>
Artifex Software, Inc. distributes a package of the base 35 PostScript
fonts, and a package of other miscellaneous fonts.
<p>
These are included in the Ghostscript release archive.
<!-- [2.0 end contents] ==================================================== -->
<!-- [3.0 begin visible trailer] =========================================== -->
<hr>
<p>
<small>Copyright © 2000-2020 Artifex Software, Inc. All rights reserved.</small>
<p>
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied, modified
or distributed except as expressly authorized under the terms of that
license. Refer to licensing information at <a href="https://www.artifex.com">https://www.artifex.com</a>
or contact Artifex Software, Inc., 1305 Grant Avenue - Suite 200,
Novato, CA 94945, U.S.A., +1(415)492-9861, for further information.
<p>
<small>Ghostscript version 9.53.0, 10 September 2020
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