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	diff --git a/AUTHORS b/AUTHORS
	--- a/AUTHORS
	+++ b/AUTHORS
	@@ -1,58 +1,59 @@
	================================================================================
	Herwig 7.2.2
	================================================================================

	Please contact <herwig@projects.hepforge.org> for any queries.

	--------------------------------------------------------------------------------
	Herwig is actively developed by:
	--------------------------------------------------------------------------------

	Gavin Bewick
	+Cody Duncan
	Silvia Ferrario Ravasio
	Stefan Gieseke
	-Patrick Kirchgaeßer
	Mohammad R. Masouminia
	-Graeme Nail
	Andreas Papaefstathiou
	Simon Plätzer
	-Christian Reuschle
	Peter Richardson
	Mike Seymour
	Andrzej Siödmok

	--------------------------------------------------------------------------------
	Former authors are:
	--------------------------------------------------------------------------------

	Ken Arnold
	Manuel Bähr
	Johannes Bellm
	Luca d'Errico
	Martyn Gigg
	David Grellscheid
	Nadine Fischer
	Keith Hamilton
	Marco A. Harrendorf
	+Patrick Kirchgaeßer
	Seyi Latunde-Dada
	Frashër Loshaj
	+Graeme Nail
	Radek Podskubka
	Daniel Rauch
	Michael Rauch
	+Christian Reuschle
	Alberto Ribon
	Christian Röhr
	Pavel Růžička
	Peter Schichtel
	Alex Schofield
	Thomas Schuh
	Alexander Sherstnev
	Philip Stephens
	Martin Stoll
	Louise Suter
	Jon Tully
	Bryan Webber
	Stephen Webster
	Alix Wilcock
	David Winn
	Benedikt Zimmermann

	diff --git a/MatrixElement/FxFx/Makefile.am b/MatrixElement/FxFx/Makefile.am
	--- a/MatrixElement/FxFx/Makefile.am
	+++ b/MatrixElement/FxFx/Makefile.am
	@@ -1,15 +1,15 @@
	pkglib_LTLIBRARIES = HwFxFx.la HwFxFxHandler.la
	HwFxFx_la_SOURCES = \
	FxFxFileReader.cc FxFxFileReader.fh FxFxFileReader.h\
	FxFxEventHandler.cc FxFxEventHandler.h FxFxEventHandler.fh\
	FxFxReader.cc FxFxReader.fh FxFxReader.h\
	FxFx.h
	HwFxFx_la_CPPFLAGS = $(AM_CPPFLAGS) $(FASTJETINCLUDE) -I$(FASTJETPATH)
	HwFxFx_la_LIBADD = $(FASTJETLIBS)
	-HwFxFx_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 2:0:0
	+HwFxFx_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 3:0:0

	HwFxFxHandler_la_SOURCES = \
	FxFxHandler.cc FxFxHandler.h
	HwFxFxHandler_la_CPPFLAGS = $(AM_CPPFLAGS) $(FASTJETINCLUDE) -I$(FASTJETPATH)
	HwFxFxHandler_la_LIBADD = $(FASTJETLIBS)
	-HwFxFxHandler_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 2:0:0
	+HwFxFxHandler_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 3:0:0
	diff --git a/MatrixElement/Hadron/Makefile.am b/MatrixElement/Hadron/Makefile.am
	--- a/MatrixElement/Hadron/Makefile.am
	+++ b/MatrixElement/Hadron/Makefile.am
	@@ -1,27 +1,27 @@
	pkglib_LTLIBRARIES = HwMEHadron.la
	HwMEHadron_la_SOURCES = \
	MEqq2gZ2ff.cc MEqq2gZ2ff.h \
	MEqq2W2ff.cc MEqq2W2ff.h \
	MEPP2GammaJet.h MEPP2GammaJet.cc\
	MEQCD2to2.h MEQCD2to2.cc\
	MEPP2HiggsJet.h MEPP2HiggsJet.cc\
	MEPP2GammaGamma.h MEPP2GammaGamma.cc \
	MEPP2QQ.h MEPP2QQ.cc \
	MEPP2QQHiggs.h MEPP2QQHiggs.cc \
	MEPP2Higgs.h MEPP2Higgs.cc\
	MEPP2WH.h MEPP2WH.cc \
	MEPP2ZH.h MEPP2ZH.cc \
	MEPP2WJet.cc MEPP2WJet.h \
	MEPP2ZJet.cc MEPP2ZJet.h \
	MEPP2VV.cc MEPP2VV.h \
	MEPP2VGamma.cc MEPP2VGamma.h \
	MEPP2HiggsVBF.cc MEPP2HiggsVBF.h \
	MEPP2SingleTop.cc MEPP2SingleTop.h \
	MEDiffraction.h MEDiffraction.cc

	-HwMEHadron_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 10:0:0
	+HwMEHadron_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 11:0:0

	pkglib_LTLIBRARIES += HwMEHadronFast.la
	HwMEHadronFast_la_SOURCES = \
	MEQCD2to2Fast.h MEQCD2to2Fast.cc
	-HwMEHadronFast_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 7:0:0
	+HwMEHadronFast_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 8:0:0
	diff --git a/MatrixElement/Matchbox/External/Makefile.am b/MatrixElement/Matchbox/External/Makefile.am
	--- a/MatrixElement/Matchbox/External/Makefile.am
	+++ b/MatrixElement/Matchbox/External/Makefile.am
	@@ -1,96 +1,96 @@
	SUBDIRS = BLHAGeneric VBFNLO NJet GoSam OpenLoops MadGraph


	pkglib_LTLIBRARIES =

	##############

	if HAVE_GOSAM
	pkglib_LTLIBRARIES += HwMatchboxGoSam.la
	endif

	HwMatchboxGoSam_la_LDFLAGS = \
	$(AM_LDFLAGS) -module -version-info 15:0:0

	HwMatchboxGoSam_la_CPPFLAGS = $(AM_CPPFLAGS) \
	-DHERWIG_BINDIR="\"$(bindir)\"" \
	-DHERWIG_PKGDATADIR="\"$(pkgdatadir)\"" \
	-DGOSAM_PREFIX="\"$(GOSAMPREFIX)\""

	HwMatchboxGoSam_la_SOURCES = \
	GoSam/GoSamAmplitude.cc


	###############

	if HAVE_VBFNLO
	pkglib_LTLIBRARIES += HwMatchboxVBFNLO.la
	endif

	-HwMatchboxVBFNLO_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 5:0:0
	+HwMatchboxVBFNLO_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 6:0:0
	HwMatchboxVBFNLO_la_CPPFLAGS = $(AM_CPPFLAGS)
	HwMatchboxVBFNLO_la_CPPFLAGS += -I$(VBFNLOINCLUDE)
	HwMatchboxVBFNLO_la_CPPFLAGS += -DVBFNLOLIB=$(VBFNLOLIB)

	HwMatchboxVBFNLO_la_SOURCES = \
	VBFNLO/VBFNLOAmplitude.cc \
	VBFNLO/VBFNLOPhasespace.cc


	###############

	if HAVE_OPENLOOPS
	pkglib_LTLIBRARIES += HwMatchboxOpenLoops.la
	endif

	HwMatchboxOpenLoops_la_SOURCES = \
	OpenLoops/OpenLoopsAmplitude.cc

	HwMatchboxOpenLoops_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 15:0:0

	HwMatchboxOpenLoops_la_CPPFLAGS = $(AM_CPPFLAGS) \
	-DOPENLOOPSLIBS="\"$(OPENLOOPSLIBS)\"" \
	-DOPENLOOPSPREFIX="\"$(OPENLOOPSPREFIX)\""

	##############


	if HAVE_NJET
	pkglib_LTLIBRARIES += HwMatchboxNJet.la
	endif

	HwMatchboxNJet_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 15:0:0

	HwMatchboxNJet_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(NJETINCLUDEPATH) \
	-DNJET_PREFIX="\"$(NJETPREFIX)\"" \
	-DNJET_LIBS="\"$(NJETLIBPATH)\"" \
	-DNJET_VERSION="$(NJET_VERSION)"

	HwMatchboxNJet_la_SOURCES = \
	NJet/NJetsAmplitude.cc



	##############

	if HAVE_MADGRAPH
	pkglib_LTLIBRARIES += HwMatchboxMadGraph.la
	endif

	HwMatchboxMadGraph_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 6:0:0

	HwMatchboxMadGraph_la_SOURCES = \
	MadGraph/MadGraphAmplitude.cc

	HwMatchboxMadGraph_la_CPPFLAGS = $(AM_CPPFLAGS) \
	-DHERWIG_BINDIR="\"$(bindir)\"" \
	-DHERWIG_INCLUDEDIR="\"$(includedir)\"" \
	-DHERWIG_PKGDATADIR="\"$(pkgdatadir)\"" \
	-DMADGRAPH_PREFIX="\"$(MADGRAPHPREFIX)\""







	diff --git a/NEWS b/NEWS
	--- a/NEWS
	+++ b/NEWS
	@@ -1,1759 +1,1767 @@
	Herwig News -- outline --
	================================================================================

	+* Herwig 7.2.3 release: 2022-04-30
	+
	+** improved ufo2herwig tool
	+
	+** improved remnant handling for photon collisions
	+
	+** improved high-energy behaviour of default parton shower
	+
	* Herwig 7.2.2 release: 2021-01-22

	** support for python 3 and gcc 10

	** ufo2herwig script is updated to be compatible with python 2 and 3, using --convert option

	* Herwig 7.2.1 release: 2020-04-10

	** vertex position fix for taus in dipole shower events

	* Herwig 7.2.0 release: 2019-12-09

	** improvements to the simulation of multiple-parton interactions, including diffractive processes

	** a new model for baryonic colour reconnection

	** spin correlations in both the dipole and angular-ordered parton showers

	** improvements to strangeness production

	** an improved choice of evolution variable in the angular-ordered parton shower

	** support for generic Lorentz structures in BSM models.

	* Herwig 7.1.7 release: 2020-04-10

	** vertex position fix for taus in dipole shower events

	* Herwig 7.1.6 release: 2019-12-11

	** fix if no W in top in external events

	** vertex position fix for dipole shower events

	** update boost m4

	** add max,min, re, im to functions for ufo conversion

	** comparision operators should be const, issues with C++17, thanks to Ivan Razumov (GENSER)

	* Herwig 7.1.5 release: 2019-04-04

	** Add option of producing partons on physically mass shell after the parton shower
	to allow the string model to be used to hadronize events

	** Fixes for template issues and compiler warnings for gcc8,9, icc and clang

	** Fixes to the calculation of W, Z and h widths if decay modes removed

	** Fix typo in FI g to gg dipole.

	** Fix to allow 1 parameter to specify the mass of more than one particle in the UFO converter

	** Fix to partial width calculation of VSS decays

	** Fix the PDF assignment for DIS processes with Matchbox

	** Fix for undecayed W bosons in internal POWHEG gauge boson pair code

	** Update boost detection in configure script

	* Herwig 7.1.4 release: 2018-06-28

	** More matrix elements and better handling of BSM physics

	** Fix for spin correlations in angular-ordered shower, effects top decays

	** Allow fixed target collisions

	** various minor fixes

	* Herwig 7.1.3 release: 2018-04-05

	** Dipole Shower
	*** Changed default phase space limits
	*** g -> gg splitting function asymmetrized
	*** Initial retune supplied, given the visible changes
	to LEP observables

	** Added new Baryonic colour reconnection model
	(arXiv 1710:10906)

	** Added Schuler-Sjostrand Photon PDFs

	** Handling of massless taus from external sources

	** various minor fixes

	** use std::array<> where possible



	* Herwig 7.1.2 release: 2017-11-01

	** Reduction of the default pt cut for QED radiation off leptons.

	** Inputfile changes due to new read mode in ThePEG.
	ThePEG remains in current repo dir when reading input-file/snippet.

	** Fix for shower scale variations in qtilde shower.

	** All standard input files now use the tuned intrinsic pt.

	** Remove obsolete input files for various tunes.

	** Fix for Madgraph interface for NLO corrections with recent version.

	** Run file size reduction for processes using madgraph/openloops.

	** Fix in jacobian for massive dipole kinematics.

	** General improvements for UFO model handling.



	* Herwig 7.1.1 release: 2017-07-14

	** Snippets are now all installed

	** Fixed broken ufo2herwig output and LHC-MB.in

	** UFO improvements
	*** More robust SLHA file handling
	*** option of creating diagonal mixing matrices, needed for ATLAS simplfied models
	*** Improved warnings about resetting standard model particles
	*** Fixed certain cases where the wrong lorentz structure was picked in VVS vertices

	** Improved error message for unhandled beam particles

	** Fix for Dipole Shower chain selection

	** Fixed crash in double diffractive delta resonances



	* Herwig 7.1.0 release: 2017-05-19

	** Major new release
	For a more detailed overview and further references please see the
	release note arXiv:1705.06919

	** NLO multijet merging with the dipole shower

	** A new soft model

	** An interface to EvtGen

	** Improved calculation of mass effects in the dipole shower

	** Top decays in the dipole shower, and NLO corrections to the decay

	** An implementation of the KrkNLO method for simple processes

	** Major restructuring and cleanup of default input files

	** C++11 is now mandatory and heavily used in the code

	** Many smaller bugfixes and improvements



	* Herwig 7.0.4 release: 2016-10-24

	** API
	The high level API is now properly available as a library, providing an
	alternative to the Herwig main program.

	** Dipole shower
	Added nloops() function to the AlphaS classes to return the number of loops
	in the running coupling

	** Matchbox
	Improved error handling and clearer messages

	** BSM models
	Initialize W mass correctly from SLHA file. Improved reading in of decay
	modes if they already exist.

	** Sampling
	Introduced option to reduce reference weight in AlmostUnweighted mode by
	Kappa factor. Useful for processes where full unweighting is infeasible.

	** Qtilde shower
	Better control of scale in splitting functions using the
	SplittingFunction:ScaleChoice interface.

	** Tests
	New NLO fixed-order input files for testing Matchbox in Tests/ExternNLO.

	** Input files
	Set diagonal CKM options consistently. Added TauTauHVertex and MuMuHVertex
	to MatchboxDefaults.

	* Herwig 7.0.3 release: 2016-07-21

	** subprocess generation filters
	A number of filters has been implemented to speed up process and diagram
	generation for the case of Standard Model like processes; this is
	particularly helpful for processes involving a large number of electroweak
	combinatorics. See the documentation for more details.

	** fix to directory hierarchy
	A bug in the Herwig-scratch directory hierarchy when integrating with
	different seeds has been fixed.

	** fix for relocating MadGraph generated amplitudes
	The directory and symbolic link structure for MadGraph-built amplitudes has
	been changed to allow for relocation of a run directory to a different file
	system hierarchy.

	** z* variable added to LeptonsJetsAnalysis
	The builtin LeptonsJetsAnalysis has been extented to include the normalized
	relative rapidity z*

	** detuning parameter for shower reweighting
	An efficiency tweak when using the shower reweighting facilities has been
	introduced for the veto algorithms in both the QTilde and the Dipole
	shower. See the documentation for more details.

	** BaryonThreeQuarkModelFormFactor
	A scaling bug in the form factor series expansion was fixed.

	* Herwig 7.0.2 release: 2016-04-29

	** Event reweighting
	New option of calculating the weights for the effect of varying the scale
	used in both the default and dipole showers. The method is described in
	arXiv:1605.08256

	** mergegrids mode
	A main mode for the Herwig executable has been added which merges the
	integration grids from parallel runs.

	** NLO Diphoton production
	The NLO matrix elements in the POWHEG approach for diphoton production as
	described in JHEP 1202 (2012) 130, arXiv:1106.3939 have been included as
	MEPP2GammaGammaPowheg.

	** BSM Hard process constructor
	A missing Feynman diagram with a t-channel vector boson has been added to
	the matrix element for vv2ss

	** BSM Decay Modes calculation
	The behaviour of the option to disable decay modes in BSM Models has been
	changed so that the partial width for the ignored modes is now calculated
	and included in the total width, but the branching ratio is set to
	zero. This is more physical than the previous option where the mode was
	t otally ignored and hence not included in the calculation of the width.

	** Mass Generation
	The behaviour of the GenericMassGenerator has been changed so that modes
	which have been disabled are only included in the calculation of the total
	width and not in the partial width used in the numerator of the weight used
	to select the off-shell mass.

	** Boost detection
	Boost could not detect the compiler version for gcc-5.3 and gcc-6.1

	* Herwig 7.0.1 release: 2016-01-17

	** Version number written to log file
	The Herwig version number is now included in addition to ThePEG's version.

	** Tau lifetimes
	A bug with lifetimes for hard process Taus is fixed. Thanks to ATLAS
	for the report!

	** Shower FSR retries
	Rare events could take a long time due to an extremely large number
	of FSR retries. These are now capped at a configurable number.

	** Dipole shower
	Reweighting for non-radiating events; fixes for shower profile
	handling; option to downgrade large-Q expansion for alphaS

	** Matchbox builtins
	Added massive currents for q-qbar

	** ShowerAlphaQCD
	can now use user-defined thresholds

	** Input snippets
	W/Z/H on-shell now split into three files; 4-flavour scheme added

	** UFO converter
	The converter now has experimental support for writing out param
	cards of its current settings.

	** LEPJetAnalysis loading fixed

	** Contrib
	HJets++ has moved to a stand-alone project, FxFx has been added

	* Herwig 7.0.0 (Herwig++ 3.0.0) release: 2015-12-04

	** Major new release
	A major new release of the Monte Carlo event generator Herwig++ (version
	3.0) is now available. This release marks the end of distinguishing
	Herwig++ and HERWIG development and therefore constitutes the first major
	release of version 7 of the Herwig event generator family. The new version
	features a number of significant improvements to the event simulation,
	including: built-in NLO hard process calculation for all Standard Model
	processes, with matching to both angular ordered and dipole shower modules
	via variants of both subtractive (MC@NLO-type) and multiplicative
	(Powheg-type) algorithms; QED radiation and spin correlations in the
	angular ordered shower; a consistent treatment of perturbative
	uncertainties within the hard process and parton showering, as well as a
	vastly improved documentation. This version includes (for a more detailed
	overview and further references please see the release note
	arXiv:1512.01178):

	** A long list of improvements and fixes for the Matchbox module
	*** includes MC@NLO and Powheg matching to both showers with truncated showering

	** A long list of improvements and fixes for both of the shower modules
	*** includes improvements of numerics issues relevant to 100 TeV pp collisions

	** NLO event simulation and Matchbox development
	*** Interfaces to a number of external libraries
	*** A new workflow for event generation
	*** Electroweak corrections to VV production

	** Parton shower development
	*** QED radiation in the angular ordered shower
	*** Spin correlations in the angular ordered shower
	*** New scale choices in gluon branchings

	** Improvements to event generation workflow
	*** Re-organized and streamlined input files for the new NLO development
	*** A unified treatment of shower and matching uncertainties
	*** New integrator modules featuring parallel integration

	** New default tunes for both shower modules

	** New contrib modules
	*** Electroweak Higgs plus jets production
	*** FxFx merging support
	*** Higgs boson pair production



	* Herwig++-2.7.1 release: 2014-07-07

	** New shower switches to select schemes for momentum reconstruction
	*** QTildeReconstructor:FinalStateReconOption
	has the following options:
	*** Default
	All momenta are rescaled in the rest frame.
	*** MostOffShell
	Put all particles on the new-mass shell and the most off-shell and
	recoiling system are rescaled to ensure 4-momentum is conserved.
	*** Recursive
	Recursively put the most off-shell particle which hasn't yet been
	rescaled on-shell by rescaling the particles and the recoiling
	system.
	*** RestMostOffShell
	The most off-shell is put on shell by rescaling it and the
	recoiling system, the recoiling system is then put on-shell in its
	rest frame.
	*** RestRecursive
	As above, but recursively treat the currently most-off shell
	(only makes a difference for more than 3 partons)

	** Ticket #378: Hadronization of baryon number violating clusters involving diquarks
	Fixed by only considering non-diquarks to be combined in the
	ClusterFinder.

	** UFO converter can now parse SLHA files for parameter settings
	The UFO converter code can now use SLHA files for modifying
	parameters. The first pass "ufo2herwig" produces the model to be
	compiled. For each parameter card, run "slha2herwig" to get the
	matching input file.

	** Fix for systems using lib64
	The repository is now initialized correctly on systems using lib64
	as the library location.

	** Efficiency optimization
	Better allocation of internal vector variables for a noticeable
	speed increase of 10-20% with LHC events.



	* Herwig++-2.7.0 release: 2013-10-28

	** UFO interface to Feynman rules generators
	Herwig++ now includes "ufo2herwig", a tool that automatically
	creates all required files to run a BSM model from a UFO
	directory. The conversion has been extensively tested against
	Feynrules models MSSM, NMSSM, RS, Technicolor,
	and less extensively with most of the
	other models in the Feynrules model database.
	We expect that following this release there will be no further
	hard-coded new physics models added to Herwig++ and that future
	models will be included using the UFO interface.

	** Shower uncertainties
	A first set of scaling parameters to estimate shower uncertainties
	is provided for both the angular ordered as well as the dipole
	shower; they are Evolver:HardScaleFactor and ShowerAlphaQCD:
	RenormalizationScaleFactor.

	** Rewrite of Matchbox NLO matching
	The NLO matching implementation has been rewritten and is now more
	flexible and consistent. Profile scales are provided for the
	hardest emission both for the dipole shower and matrix element
	correction matching.

	** BLHA2 Interface and new processes
	Matchbox now features a generic BLHA2 interface to one-loop
	amplitude codes and now also includes W and W+jet production as
	well as Higss production in gluon fusion as builtin processes.

	** Impoved dipole shower kinematics parametrization
	The kinematics parametrization for emissions in the dipole shower
	has been made more efficient.

	** W and Z Powheg decays
	Decays of W and Z bosons now use the Powheg decayers by default.

	** Improved treatment of beam remnants
	The handling of beam remnants has been improved in multiple
	contexts, leading to a much lower error rate at p+/p- collisions.
	An additional value "VeryHard" for ClusterFissioner:RemnantOption
	can be used to disable any special treatment of beam remnant
	clusters.

	** New underlying event tune
	Herwig++ now uses tune UE-EE-5-MRST by default. Other related tunes
	can be obtained from the Herwig++ tunes page

	** Improvements in BSM code
	The UFO development identified many sign fixes in rarely used BSM
	vertices; many improvements were made to general decayers, allowing
	four-body decays in BSM for the first time; Powheg is enabled in
	General two-body decayers; and the handling of colour
	sextets has been improved.

	** A new HiggsPair matrix element in Contrib.

	** A new matrix element for single top production.

	** The Higgs mass is now set to 125.9 GeV (from PDG 2013 update).

	** C++-11 testing
	To help with the coming transition to C++-11, we provide the new
	--enable-stdcxx11 configure flag. Please try to test builds with
	this flag enabled and let us know any problems, but do not use this
	in production code yet. In future releases, this flag will be on by
	default.

	** Other changes
	*** Many new Rivet analyses have been included in the Tests directory.
	*** Cleaned Shower header structure; grouped shower parameters into one struct.
	*** The boolean Powheg flag in HwMEBase changed to an enumeration.




	* Herwig++-2.6.3 release: 2013-02-22

	** Decay vertex positioning in HepMC output
	Pseudo-vertices that Herwig++ inserts for technical reasons will
	now not contribute to the Lorentz positions of downstream vertices.
	Thanks to ATLAS for the bug report!

	** Updated Rivet tests
	Herwig's library of Rivet test runs has been brought up-to-date
	with new analyses that were recently published by the Rivet
	collaboration.



	* Herwig++-2.6.2 release: 2013-01-30

	** Fixes for PDF and scale choices in POWHEG events
	Scale settings for MPI and the regular shower are now correct in
	POWHEG events. This should fix reported anomalies in POWHEG jet rates.
	NLO PDFs are now also set consistently in the example input files.

	** Ticket #373: Branching ratio factors in cross-section
	If any decay modes are selectively disabled, setting the following
	post-handler will cause all reported cross-sections to include the
	branching ratio factor(s) from the previous stages correctly:

	create Herwig::BranchingRatioReweighter BRreweight
	insert LHCGenerator:EventHandler:PostDecayHandlers 0 BRreweight

	** Anomalous vertices now possible in MEfftoVH

	** Interactive shell does not quit on error

	** Better warning messages for events from inconsistent LHEF files

	** Possible division by zero error fixed in BSM branching ratio calculations

	** Decayer and ME changes to improve checkpointing
	The checkpointing changes in ThePEG 1.8.2 are implemented here, too. Regular
	dump files are consistent now.



	* Herwig++-2.6.1 release: 2012-10-16

	** Configure switches
	The various switches to turn off compilation of BSM models have
	been unified into a single '--disable-models'. A new flag
	'--disable-dipole' can be used to turn off the compilation of the
	Dipole and Matchbox codes.

	** Ticket #348: Search path for repository 'read' command
	The search path for the 'read' command is configurable on the
	command line with the -i and -I switches. By default, the
	installation location is now included in the search path, so that
	'Herwig++ read LEP.in' will work in an empty directory. The current
	working directory will always be searched first.
	The rarely used "Herwig++ init" command has been made consistent
	with 'read' and 'run' and should now be used without the '-i' flag.

	** Width treatment in BSM
	The width treatment in BSM decay chains has been greatly improved
	and is now switched on by default in the .model files. To get the
	old behaviour, use
	set /Herwig/NewPhysics/NewModel:WhichOffshell Selected

	** New BSM models
	Little Higgs models with and without T-parity are now available.

	** Resonance photon lifetime
	A lifetime bug affecting decays of pi0 to e+e-X was fixed. The
	virtual photon is not part of the event record anymore.

	** Ticket #371: Hard diffraction FPE
	Herwig++ 2.6.0 introduced a bug into the diffraction code which
	would abort any runs. This is now fixed.

	** O2AlphaS
	Support for setting quark masses different from the particle data
	objects as introduced in ThePEG 1.8.1 has been enabled.

	** Matchbox
	Several improvements and bug fixes are included for
	Matchbox. Amplitudes relevant to pp -> Z+jet and crossed processes
	at NLO are now available, and various scale choices have been added
	in a more flexible way. All subtraction dipoles for massive quarks
	are now included.

	** Dipole shower
	Parameters to perform scale variations in the shower have been
	added to estimate uncertainties. A bug in showering off gg -> h has
	been fixed.

	** Minor fixes
	*** Two broken colour structures in GeneralHardME
	*** Susy Higgs mixing matrix
	*** BaryonFactorizedDecayer out-of-bounds access
	*** Mass values in SimpleLHCAnalysis



	* Herwig++-2.6.0 release: 2012-05-21 (tagged at SVN r7407)

	** New NLO framework
	Matchbox, a flexible and very general framework for performing NLO
	calculations at fixed order or matched to parton showers is
	provided with this release.

	** Dipole shower algorithm
	A first implementation of the coherent dipole shower algorithm by
	Plätzer and Gieseke (arXiv:0909.5593 and arXiv:1109.6256) is
	available.

	** Alternative samplers and the ExSample library
	The ExSample library by Plätzer (arXiv:1108.6182) is shipped along
	with Herwig++ in an extended version. The extended version provides
	SamplerBase objects which can be used alternatively to the default
	ACDCSampler.

	** New BSM models
	*** New colour sextet diquark model
	A colour sextet diquark model has been included, as described in
	Richardson and Winn (arXiv:1108.6154).

	*** Models reproducing the CDF t-tbar asymmetry
	Four models that can reproduce the reported t-tbar asymmetry have
	been included.

	*** Zprime
	A simple standard model extension by one additional heavy neutral
	vector boson.

	** Interface to AlpGen, with MLM merging
	The Contrib directory contains a new interface to the AlpGen matrix
	element generator. AlpGen events must be preprocessed with the
	provided AlpGenToLH.exe tool before they can be used. More
	information can be found in the Herwig++ 2.6 release note.

	** HiggsVBF Powheg
	Higgs boson production by vector boson fusion is available at NLO
	in the POWHEG scheme, as described in d'Errico, Richardson
	(arXiv:1106.2983). The Powheg DIS processes were available in
	Herwig++-2.5.2 already.

	** Statistical colour reconnection
	Alternative mechanisms to minimize the colour length Sum(m_clu)
	before the hadronization stage, based on Metropolis and annealing
	algorithms.

	** Energy extrapolation of underlying-event tunes
	To describe underlying-event data at different c.m. energies, the
	energy-dependent parameter pT_min will now be adjusted
	automatically, following a power-law. The new tune parameters are
	the value at 7000 GeV "MPIHandler:pTmin0", and MPIHandler:Power.

	** Ticket #239: Reporting of minimum-bias cross-section
	When simulating minimum-bias events using the MEMinBias matrix
	element, the correct unitarized cross section can now be reported
	via the standard facilities; it is no longer necessary to extract
	it from the .log file of the run. The corresponding functionality
	is enabled by inserting a MPIXSecReweighter object as a
	post-subprocess handler:
	create Herwig::MPIXSecReweighter MPIXSecReweighter
	insert LHCHandler:PostSubProcessHandlers 0 MPIXSecReweighter

	** Dependency on 'boost'
	Herwig++ now requires the boost headers to build; if not detected
	in standard locations, specify with the --with-boost configure
	option.

	** Tests directory
	The Tests directory now contains input cards for almost all Rivet
	analyses. A full comparison run can be initiated with 'make tests'.

	** Minor changes
	*** Default LHC energy now 8 TeV
	All LHC-based defaults have now been updated to use 8 TeV as the
	center-of-mass energy.

	*** Herwig::ExtraParticleID -> ThePEG::ParticleID
	The namespace for additional particles has been unified into
	ThePEG::ParticleID

	*** MEee2VectorMeson
	The e+e- -> vector meson matrix element has moved from Contrib into
	HwMELepton.so

	*** SUSY numerics fixes
	Better handling of rare numerical instabilities.

	*** YODA output for Rivet
	The built-in histogramming handler can now output data in the YODA
	format used by Rivet.

	*** Consistency checks in SLHA file reader
	Better warnings for inconsistent SusyLHA files

	*** better colour flow checking for development

	** Bug fixes
	*** Extremely offshell W from top decay
	Numerical improvements for very off-shell W bosons coming from top
	decays.

	*** Ticket #367: problems in using SUSY + LHE
	Susy events from Les Houches event files are now handled better.

	*** Infinite loop in remnant decayer
	The remnant decayer will now abort after 100 tries.

	*** Fix to HiggsVBF LO diagrams
	The diagram structure of HiggsVBF LO matrix elements has been fixed.

	*** LEP thrust fix
	The calculation of the transverse momentum of a branching from the
	evolution variable in final-state radiation can now be
	changed. While formally a sub-leading choice this enables a better
	description of the thrust distribution in e+e- collisions at
	small values of the thrust. Currently the default behaviour, where
	the cut-off masses are used in the calculation, remains the same
	as previous versions.




	* Herwig++-2.5.2 release: 2011-11-01 (tagged at SVN r6928)

	** Optional new jet vetoing model
	The jet vetoing model by Schofield and Seymour (arXiv:1103.4811) is
	available via Evolver:ColourEvolutionMethod,
	PartnerFinder:PartnerMethod and SplittingFunction:SplittingColourMethod.
	The default behaviour is unchanged.

	** MPI tune
	Version 3 of the MPI tunes is now the default. Please note that the
	pT parameter is energy-dependent and needs to be modified when an
	LHC run is not at 7 TeV.
	The latest tunes are always available at
	http://projects.hepforge.org/herwig/trac/wiki/MB_UE_tunes

	** MPI PDFs
	MPI PDFs can now be controlled independently.

	** Initialization time speedup
	A new BSMModel base class was introduced between StandardModel and
	the BSM model classes. Together with a restructured decay mode
	initialization, this offers significantly faster startup times for
	BSM runs. ThreeBodyDecays can now always be switched on without a
	large speed penalty.

	** Decay mode file
	Decay mode files in the SLHA format can now be read separately in
	any BSM model with 'set Model:DecayFileName filename'

	** Powheg DIS
	Charged- and neutral-current DIS processes implementing the POWHEG
	method are now available.

	** Diffraction models
	Xi cut implemented in PomeronFlux

	** Ticket #352: Colour reconnection fixed in DIS

	** Ticket #353: Improved numerical stability in chargino decays

	** Ticket #358: Infinite loop in top events with pT cut in shower

	** Ticket #361: Problem with duplicate 2-body modes in BSM

	** Tickets #362 / #363: Crashes with baryon number violating models
	Particle decays in SUSY models with RPV now work correctly in the
	colour 8 -> 3,3,3 case. Colour reshuffling now works for RPV
	clusters.

	** Improved Fastjet detection
	The configure step uses fastjet-config to make sure all header file
	paths are seen.

	** Darwin 11 / OS X Lion
	A configure bug was fixed which prevented 'make check' from
	succeeding on OS X Lion.

	** Vertex classes
	The specification of QED / QCD orders has been moved to the vertex
	constructors, to allow ThePEG consistency checks. WWHH vertices in
	MSSM and NMSSM were fixed. Some Leptoquark and UED vertices fixed.

	** Hadronization
	Cleanup of obsolete code.



	* Herwig++-2.5.1 release: 2011-06-24 (tagged at SVN r6609)

	** Example input files at 7 TeV
	All our example input files for LHC now have their beam energy set
	to 7 TeV instead of 14 TeV.

	** Colour reconnection on by default
	The colour reconnection tunes are now the default setup. Version 2
	of the tunes replaces the *-1 tunes, which had a problem with LEP
	event shapes.

	** Run name tags
	Aded possibility to add a tag to the run name when running with the
	'-t' option. One run file can thus be run with different seeds and
	results stored in different output files.

	** Floating point exceptions
	The new command line option -D enables floating point error checking.

	** General improvements to WeakCurrent decays

	** Remnant decayer
	Hardwired gluon mass was removed.

	** WeakCurrentDecayConstructor
	Instead of specifying separate Particle1...Particle5 vectors for
	the decay modes, the new interface DecayModes can be filled with
	decay tags in the standard syntax.

	** BSM: improvements to handling of vertex and model initialisation

	** Powheg Higgs
	Option to use pT or mT as the scale in alphaS and for the
	factorization scale in the PDFs

	** Ticket #337: Tau polarization wrong in charged Higgs decay

	** Ticket #339: Colour flows in GeneralThreeBody Decayers for 3bar -> 8 3bar 1

	** Ticket #340: Crash for resonant zero-width particles

	** Ticket #341: Varying scale for BSM processes
	The scale used is now ResonantProcessConstructor:ScaleFactor or
	TwoToTwoProcessConstructor:ScaleFactor multiplied by sHat.

	** Ticket #346: Chargino decays
	Chargino decayers now automatically switch between the mesonic
	decays for mass differences less than 2 GeV and the normal partonic
	decays above 2 GeV.

	** Ticket #349: Stop by default on input file errors
	The '--exitonerror' flag is now the default behaviour for the
	Herwig++ binary. To switch back to the old behaviour,
	'--noexitonerror' is required.

	** Ticket #351: Four-body stop decays

	** Tested with gcc-4.6



	* Herwig++-2.5.0 release: 2011-02-08 (tagged at SVN r6274)

	** Uses ThePEG-1.7.0
	Herwig++ 2.5.0 requires ThePEG 1.7.0 to benefit from various
	improvements, particularly: handling of diffractive processes;
	respecting LD_LIBRARY_PATH when loading dynamic libraries,
	including LHAPDF; improvements to repository commands for decay
	modes. See ThePEG's NEWS file for more details.

	** POWHEG improvements

	*** New POWHEG processes
	Simulation at NLO accuracy using the POWHEG method is now
	available for hadronic diboson production (pp to WW,WZ,ZZ), Higgs
	decays to heavy quarks, and e+e- to two jets or ttbar, including
	full mass dependence.

	*** Input file changes
	The input files for setting up POWHEG process simulation have been
	simplified. See the example files LHC-Powheg.in and TVT-Powheg.in
	for the improved command list.

	*** Structural changes
	The POWHEG backend in the shower code has been restructured to
	make future additions easier: PowhegEvolver has merged with
	Evolver; both the matrix element corrections and real corrections
	in the POWHEG scheme are implemented directly in the ME or Decayer
	classes.

	** New processes at leading order

	*** Photon initiated processes
	We have added a matrix element for dijet production in gamma
	hadron collisions.

	*** Bottom and charm in heavy quark ME
	The option of bottom and charm quarks is now supported for heavy
	quark production in MEHeavyQuark.

	** Colour reconnection
	The cluster hadronization model has been extended by an option to
	reconnect coloured constituents between clusters with a given
	probability. This new model is different from the colour
	reconnection model used in FORTRAN HERWIG, and improves the
	description of minimum bias and underlying event data.

	** Diffractive Processes
	Both single and double diffractive processes are now supported in
	Herwig++. The Pomeron PDF is implemented using a fit to HERA data,
	and a pion PDF can be used to model reggeon flux.

	** BSM physics

	*** New models
	We have added new BSM models, particularly ADD-type extra
	dimension models and the next-to-minimal supersymmetric standard
	model (NMSSM). Effects of leptoquarks can as well be simulated.

	*** Vertex additions
	We have added flavour changing stop interactions (stop -
	neutralino - charm) and gravitino interactions with particular
	emphasis on numerical stability for very light gravitinos.
	Tri-linear Higgs and Higgs-Higgs/Vector-Vector four-vertices are
	available as well.

	*** Input file changes
	The SUSY model can now also extract the SLHA information from the
	header of a Les Houches event file: replace the SLHA file name
	in the example input files with the LH file name.

	*** Structure
	The backend structure of the HardProcessConstructor has changed,
	to allow easier inclusion of new process constructors. Some 2->3
	BSM scattering processes involving neutral higgs bosons are now
	included. The spin handling has been improved in the background.

	** Shower splitting code reorganized
	The selection of spin structures has been decoupled from the choice
	of colour structure. This gives more flexibility in implementing
	new splittings. Selected splittings can be disabled in the input
	files.

	** B mixing
	B mixing, and indirect CP violation in the B meson system are
	included now.

	** Looptools
	The Looptools directory has been updated to reflect T.Hahn's
	Looptools 2.6.

	** Contrib changes
	The ROOT interface has been removed as deprecated. The MCPWNLO code
	has temporarily been removed from the Contrib directory as a major
	review of this code is required. Additionally, there are various
	fixes to all other codes shipped in Contrib.

	** DIS improvements
	The momentum reshuffling in DIS events has been improved.

	** mu and nu beams
	mu, nu_e and nu_mu and their antiparticles are now available as
	beam particles. They are all supported in the DIS matrix
	elements. mu+ mu- collisions are supported in the general
	matrix element code for BSM models, but not yet in the hard-coded
	matrix elements for lepton-lepton scattering.

	** Structural changes

	*** Inline code
	Inline code has been merged into the header files, .icc files were
	removed.

	*** Silent build
	By default, Herwig++ now builds with silent build rules. To get
	the old behaviour, run 'make V=1'.

	*** Debug level
	The debug level on the command line will now always have priority.

	*** Event counter
	The event counter has been simplified.

	*** Interpolator persistency
	Interpolators can now be written persistently.

	** Ticket #307: Momentum violation check in BasicConsistency
	Added parameters AbsoluteMomentumTolerance and
	RelativeMomentumTolerance

	** Example POWHEG input files
	The example input files for Powheg processes now set the NLO
	alpha_S correctly, and are run as part of 'make check'.

	** Truncated shower
	A problem which lead to the truncated shower not being applied in
	some cases has been fixed.

	** Fixes to numerical problems
	Minor problems with values close to zero were fixed in several
	locations.

	** Remove duplicated calculation of event shapes
	An accidental duplication in the calculation of event shapes was
	removed, they are now only calculated once per event. Several other
	minor issues in the event shape calculations have also been fixed.

	** MRST PDFs fixed
	An initialization problem in the internal MRST PDFs was fixed.

	** Vertex scale choice
	The scale in the Vertex classes can now be zero where
	possible.

	** Treatment of -N flag
	The Herwig++ main program now correctly treats the -N flag
	as optional.

	** Numerical stability improved
	The numerical stability in the 'RunningMass' and
	'QTildeReconstructor' classes has been improved. The
	stability of the boosts in the SOPTHY code for the
	simulation of QED radiation has been improved.
	The accuracy of boosts in the z-direction has been improved to
	fix problems with extremely high p_T partons.

	** Bugfix in initial state splittings
	A bug in the implementation of the PDF weight in initial-state
	qbar -> qbar g splittings has been fixed.

	** Bugfix in chargino neutralino vertices
	A bug in the 'chi+- chi0 W-+' and charged
	Higgs-sfermions vertices has been fixed.

	** Remove uninitialized variables written to repository
	A number of uninitialised variables which were written to the
	repository have been initialised to zero to avoid problems on some
	systems.

	** Fix to QED radiation in hadronic collisions
	The longitudinal boost of the centre-of-mass frame in hadronic
	collisions is correctly accounted for now in the generation of QED
	radiation.

	** Fix to numerical problems in two-body decays
	Numerical problems have been fixed, which appeared in the rare case
	that the three-momenta of the decay products in two-body decays are
	zero in the rest frame of the decay particle.

	** A problem with forced splittings in the Remnant was fixed.

	** ME correction for W+- decays applied properly
	The matrix element correction for QCD radiation in W+- decays
	which was not being applied is now correctly used.

	** Top quark decays from SLHA file
	The presence of top quark decay modes in SLHA files is now handled
	correctly.

	** Exceptional shower reconstruction kinematics
	Additional protection against problems due to the shower
	reconstruction leading to partons with x>1 has been added.

	** Ordering of particles in BSM processes
	Changes have been made to allow arbitrary ordering of the outgoing
	particles in BSM processes.

	** Bugfixes in tau decays
	Two bugs involving tau decays have been fixed. The wrong masses
	were used in the 'KPiCurrent' class for the scalar form factors
	and a mistake in the selection of decay products lead to
	tau- --> pi0 K- being generated instead of tau- --> eta K-.

	** Avoid crashes in baryon number violating processes.
	To avoid crashes, better protection has been introduced for the
	case where diquarks cannot be formed from the quarks in a
	baryon-number violating process. In addition, the parents of the
	baryon-number violating clusters have been changed to avoid
	problems with the conversion of the events to HepMC.

	** QED radiation in W- decays
	A bug in the 'QEDRadiationHandler' class which resulted
	in no QED radiation being generated in W- decays has been fixed.

	** A number of minor fixes to the SUSY models have been made.

	** Partial width calculations in BSM models
	A fix for the direction of the incoming particle in the calculation
	of two-body partial widths in BSM models has been made.

	** LoopTools improvements
	The LoopTools cache is now cleared more frequently to
	reduce the amount of memory used by the particle.

	** Negative gluino masses are now correctly handled.

	** A problem with mixing matrices which are not square has been fixed.

	** Removed duplicate diagram
	The 'MEee2gZ2ll' class has been fixed to only include the
	photon exchange diagram once rather than twice as previously.

	** Fix for duplicate particles in DecayConstructor
	A problem has been fixed which occurred if the same particle was
	included in the list of DecayConstructor:DecayParticles.

	** Fixes for UED model vertices
	A number of minor problems in the vertices for the UED model have
	been fixed.

	** Include missing symmetry factor
	The missing identical-particle symmetry factor in
	'MEPP2GammaGamma' has been included.

	** Fix floating point problem in top decays
	A floating point problem in the matrix element correction for top
	decays has been fixed.



	* Herwig++-2.4.2 release: 2009-12-11 (tagged at SVN r5022)

	** Ticket #292: Tau decay numerical instability
	The momentum assignment in tau decays contained numerical
	instabilities which have been fixed by postponing the tau decay
	until after the parton shower. A new interface setting
	DecayHandler:Excluded is available to prevent decays in the shower
	step. This is enabled by default for tau only.

	** Ticket #290: Missing MSSM colour structure
	The missing colour structure for gluino -> gluon neutralino was added.

	** Ticket #294: Zero momentum in some decays
	Some rare phase space points lead to zero momentum in two-body
	decays. This has been fixed.

	** Ticket #295: Stability of QED radiation for lepton collider processes
	The numerical stability of QED radiation momenta was improved
	further.

	** Ticket #296: K0 oscillation vertex was wrong
	The oscillation from K0 to K0_L/S now takes place at the production
	vertex of K0.

	** Ticket #289: Undefined variables in repository
	On some system configurations, undefined variables were written to
	the repository. These have been fixed.

	** Fixed QED radiation for hadron processes
	The longitudinal boost of the centre-of-mass frame in hadronic
	collisions is correctly accounted for now.

	** Numerical stability fixes
	Small fixes in RunningMass and QTildeReconstructor.

	** Powheg example input files
	The example input files for Powheg processes now set the NLO
	alpha_S correctly, and are run as part of 'make check'.

	** OS X builds for Snow Leopard
	Snow Leopard machines will now be recognized as a 64bit
	architecture.




	* Herwig++-2.4.1 release: 2009-11-19 (tagged at SVN r4932)

	** Uses ThePEG-1.6.0
	Herwig++ now requires ThePEG-1.6.0 to benefit from the improved
	helicity code there. If you have self-written vertex classes, see
	ThePEG's NEWS file for conversion instructions.

	** Vertex improvements
	ThePEG's new helicity code allowed major simplification of the vertex
	implementations for all Standard Model and BSM physics models.

	** New Transplanckian scattering model
	An example configuration is in LHC-TRP.in

	** BSM ModelGenerator as branching ratio calculator
	The BSM ModelGenerator has a new switch to output the branching
	ratios for a given SLHA file in SLHA format, which can then be used
	elsewhere.

	** BSM debugging: HardProcessConstructor
	New interface 'Excluded' to exclude certain particles from
	intermediate lines.

	** Chargino-Neutralino-W vertex fixed

	** Spin correlations
	are now switched on by default for all perturbative decays.

	** Ticket #276: Scale choice in BSM models' HardProcessConstructor
	New interface 'ScaleChoice' to choose process scale between
	- sHat (default for colour neutral intermediates) and
	- transverse mass (default for all other processes).

	** Ticket #287: Powheg process scale choice
	The default choice is now the mass of the colour-singlet system.

	** Ticket #278: QED radiation for BSM
	Soft QED radiation is now enabled in BSM decays and all
	perturbative decays by default.

	** Ticket #279: Full 1-loop QED radiation for Z decays
	Soft QED radiation in Z decays is now fully 1-loop by default.

	** Ticket #280: Redirect all files to stdout
	This is now implemented globally. The files previously ending in
	-UE.out and -BSMinfo.out are now appended to the log file. They now
	also obey the EventGenerator:UseStdout flag.

	** Ticket #270: LaTeX output updated
	After each run, a LaTeX file is produced that contains the full
	list of citations. Please include the relevant ones in publications.

	** Ticket #256: Mac OS X problems
	An initialization problem that affected only some configurations has
	been identified and fixed.

	** Tests directory added
	This contains many .in files, to exercise most matrix
	elements.

	** Minor fixes
	*** Prevent rare x>1 partons in shower reconstruction.
	*** SUSY-LHA parameter EXTPAR can be used to set tan beta
	*** Improved Fastjet detection at configure time





	* Herwig++-2.4.0 release: 2009-09-01 (tagged at SVN r4616)

	** New matrix elements
	We have added a built-in implementation of several new matrix elements:
	PP --> WW / WZ / ZZ
	PP --> W gamma / Z gamma
	PP --> VBF Higgs
	PP --> Higgs tt / Higgs bb
	e+e- --> WW / ZZ
	gamma gamma --> ff / WW



	** Base code improvements
	*** Ticket #257: Remnant handling
	A problem with forced splittings in the Remnant was fixed.

	*** Ticket #264: Soft matrix element correction
	A problem with emissions form antiquarks was fixed.



	** PDF sets
	*** New default set
	MRST LO** is the new default PDF set. LO* is also available built-in.

	*** Shower PDFs can be set separately from the hard process
	Use the 'ShowerHandler:PDF' interface.



	** Parameter tunes
	Shower, hadronization and underlying event parameters were retuned
	against LEP and Tevatron data respectively.



	** BSM module improvements
	*** Ticket #259: read error for some UED models
	Arbitrary ordering of outgoing lines in the process description is now
	possible.

	*** Ticket #266: branching ratio sums
	The warning threshold for branching ratios not summing to 1 has
	been relaxed. It is now a user interface parameter.

	*** Ticket #267: Top decay modes
	Top decay modes listed in SLHA files are now handled correctly.



	** QED radiation
	*** Ticket #241: Soft QED radiation is now enabled by default

	*** Ticket #265: Radiation off W+ and W- is now handled correctly



	** Interfaces
	*** Ticket #243: Fastjet
	Fastjet is now the only supported jet finder code. All example
	analyses have been converted to use Fastjet.

	*** KtJet and CLHEP interfaces have been removed.

	*** New interfaces to AcerDet and PGS available in Contrib

	*** MCPWnlo distributed in Contrib

	*** HepMC and Rivet interfaces moved to ThePEG



	** Ticket #239: Inelastic cross-section for MinBias
	This information is now available in the ...-UE.out files.



	** Technical changes
	*** Ticket #186
	Configure now looks for ThePEG in the --prefix location first.

	*** Configure information
	Important configuration information is listed at the end of the
	'configure' run and in the file 'config.thepeg'. Please provide
	this file in any bug reports.

	*** New ZERO object
	The ZERO object can be used to set any dimensionful quantity to
	zero. This avoids explicit constructs like 0.0*GeV.

	*** Exception specifiers removed
	Client code changes are needed in doinit() etc., simply remove the
	exception specifier after the function name.

	*** Ticket #263: Tau polarizations can be forced in TauDecayer





	* Herwig++-2.3.2 release: 2009-05-08 (tagged at SVN r4249)

	** SUSY enhancements

	*** Ticket #245: Select inclusive / exclusive production
	Using the new 'HardProcessConstructor:Processes' switch options
	'SingleParticleInclusive', 'TwoParticleInclusive' or 'Exclusive'
	*** Improved three-body decay generation
	Several problems were fixed, incl. tickets #249 #250 #251
	Thanks to J.Tattersall and K.Rolbiecki for the stress-testing!
	*** Looptools fix
	Release 2.3.1 had broken the Looptools initialization.
	*** Improved warning message texts

	** Ticket #237:
	Values of q2last can now be zero where possible.

	** Ticket #240:
	The Herwig++ main program now correctly treats the -N flag as optional.

	** Ticket #246:
	Extreme pT partons fixed by improving accuracy of z boosts.

	** DIS
	Improved parton shower momentum reshuffling.

	** Minimum Bias events
	The zero-momentum interacting particle used for
	bookkeeping is now labelled as a pomeron.

	** User Makefile
	Makefile-UserModules does not enable -pedantic anymore. User's ROOT
	code will not compile otherwise.

	** Build system
	Small fixes in the build system.



	* Herwig++-2.3.1 release: 2009-03-31 (tagged at SVN r4140)
	** Initial state showers
	The PDF veto was wrongly applied to qbar->qbar g splittings.

	** User interaction
	The Makefile-UserModules now includes the Herwig version number.
	The -N flag to 'Herwig++ run' is optional now, as was always intended.

	** Contrib
	The contrib directory is now included in the tarball. The omission
	was accidental.

	** Numerical accuracy
	Minor problems with values close to zero were fixed in several
	locations.

	** LEP event shapes
	An accidental duplication was removed, they are now only calculated
	once per event.

	** MRST PDF code
	Initialization problem fixed.

	** Mac OS X
	The configure script was improved to detect libraries better.

	** Libtool
	Updated to version 2.2.6


	* Herwig++-2.3.0 release: 2008-12-02 (tagged at SVN r3939)
	** Major release, with many new features and bug fixes

	** Extension to lepton-hadron collisions

	** Inclusion of several processes accurate at next-to-leading order
	in the POsitive Weight Hardest Emission Generator (POWHEG) scheme

	** Inclusion of three-body decays and finite-width effects
	in BSM processes

	** New procedure for reconstructing kinematics of the parton shower
	based on the colour structure of the hard scattering process

	** New model for baryon decays including excited baryon multiplets

	** Addition of a soft component to the multiple scattering model
	of the underlying event and the option to choose more than one hard
	scattering explicitly

	** New matrix elements for DIS and e+e- processes

	** New /Contrib directory added
	containing external modules that will hopefully be of use to some
	users but are not expected to be needed by most users and are not
	supported at the same level as the main Herwig++ code

	** Minor changes to improve the physics simulation:

	*** IncomingPhotonEvolver added
	to allow the simulation of partonic processes with incoming photons
	in hadron collisions

	*** KTRapidityCut added
	to allow cuts on the p_T and rapidity, rather than just the p_T and
	pseudorapidity used in SimpleKTCut. This is now used by default for
	cuts on massive particles such as the $W^\pm$, $Z^0$ and Higgs
	bosons and the top quark

	*** Several changes to the decayers of B mesons
	both to resolve problems with the modelling of partonic decays and
	improve agreement with $\Upsilon(4s)$ data

	*** Changes to allow values other than transverse mass of final-state particles as maximum transverse momentum for radiation in parton shower
	either SCALUP for Les Houches events or the scale of the hard
	process for internally generated hard processes

	*** Changed defaults for intrinsic transverse momentum in hadron collisions
	to 1.9GeV, 2.1GeV and 2.2GeV for the Tevatron and LHC at 10 TeV and
	14 TeV, respectively

	*** Pdfinfo object is now created in the HepMC interface
	However in order to support all versions of HepMC containing this
	feature the PDF set is not specified as not all versions contain
	this information

	*** New option of only decaying particles with lifetimes below user specified value

	*** New options for the cut-off in the shower
	and some obsolete parameters removed

	*** Added option of switching off certain decay modes in BSM models

	*** Added a Matcher for Higgs boson
	to allow cuts to be placed on it

	*** Diffractive particles deleted from default input files
	they were not previously used

	** Technical changes:

	*** Some AnalysisHandler classes comparing to LEP data have been renamed
	e.g. MultiplicityCount becomes LEPMultiplicityCount to avoid
	confusion with those supplied in /Contrib for observables at the
	Upsilon(4s) resonance

	*** Reorganisation to remove the majority of the .icc files
	by moving inlined functions to headers in an effort to improve
	compile time

	*** Restructured the decay libraries to reduce the amount of memory allocation
	and de-allocation which improves run-time performance

	*** The switch to turn off LoopTools has been removed
	because LoopTools is now used by several core modules. As LoopTools
	does not work on 64-bit platforms with g77 this build option is not
	supported

	*** Removed support for obsolete version of HepMC supplied with CLHEP
	and improved the support for different units options with HepMC

	*** EvtGen interface has been removed until it is more stable

	*** Support for ROOT has been removed
	it was not previously used

	*** CKKW infrastructure has been removed from the release
	until a concrete implementation is available

	*** Default optimisation has been increased from -O2 to -O3

	*** Handling of the fortran compiler has been improved
	mainly due to improvements in the autotools

	*** Use of FixedAllocator for Particle objects in ThePEG has been removed
	as it had no performance benefits

	** Bugs fixed:

	*** Problems with the mother/daughter relations in the hard process
	and diagram selection in W+- and Z0 production in association with a
	hard jet

	*** In general matrix element code for fermion-vector to fermion-scalar
	where the outgoing fermion is coloured and the scalar neutral

	*** In the selection of diagrams in some associated squark gaugino processes

	*** h0->mu+mu- was being generated when h0->tau+tau-

	*** Normalisation in the Histogram class for non unit-weight events

	*** Protection against negative PDF values has been improved
	these can occur when using NLO PDF sets

	*** Lifetime for BSM particles is now automatically calculated
	at the same time as the width

	*** Hadrons containing a top quark now treated like hadrons containing BSM particles
	in order to support this possibility

	*** Several ambiguous uses of unsigned int

	*** Several variables that may have been used undefined

	*** Several memory leaks at initialisation

	*** The configuration now aborts if no fortran compiler is found
	as this is required to compile Looptools

	*** Several minor floating point errors that did not affect results



	* Herwig++-2.2.1 release: 2008-07-09 (tagged at SVN r3434)
	** Ticket #181: BSM shower with a decay close to threshold
	Now fixed.

	** Ticket #191: Split SUSY crash
	Improved error message.

	** Ticket #192: using SCALUP as the pT veto in the shower
	Now implemented.

	** Ticket #194: production processes of ~chi_1(2)-
	Fixed bug in the diagram creation.

	** Removed unused particles
	DiffractiveParticles.in was removed, they were never produced.

	** Hadronization
	Top quark clusters now possible, handled as 'exotic' clusters.

	** Improved handling of decay modes
	See ThePEG-1.3.0. 'defaultparticle' command is now obsolete.

	** Multi-Parton interactions
	Increased phase space sampling to have less than 1% uncertainty on
	average multiplicity.

	** New libtool version
	gfortran is now used as default if it is available. Set FC=g77 to
	override this.

	** Fixed several memory leaks

	** Memory allocation
	Now using plain 'new' and 'delete'.


	* Herwig++-2.2.0 release: 2008-04-18 (tagged at SVN r3195)
	** Major release: now as stand-alone library
	Herwig++ is now a stand-alone dlopen() plugin to ThePEG.
	No compile-time linking to Herwig code is required. The Herwig++
	binary is a simple executable steering ThePEG, which can
	be replaced by other frontends (such as setupThePEG / runThePEG).

	** New matrix elements
	p p -> W + jet / Z + jet / W + higgs / Z + higgs
	e+ e- -> Z + higgs

	** Looptools
	Updated to version 2.2.

	** Ticket #141: segfault from using 'run' command
	Fixed by using default allocators in Herwig++, and the
	Repository::cleanup() method in ThePEG 1.2.0.

	** Ticket #157: broken gsl library path on some 64bit systems
	Paths with lib64 are correctly identified now.

	** Ticket #159: p_t spectrum of ttbar pair
	Fixed identical particle multiplier in Sudakov form factor.

	** Ticket #161: glibc segfault
	Rare segfault in MPI handler fixed.

	** Ticket #165: rare infinite loop in four-body decay
	All 4-body decays without dedicated decayers now use the Mambo algorithm.
	A loop guard has been introduced to 3-body decays to avoid infinite retries.

	** Ticket #166: rare infinite loop in top ME correction
	These very rare events (O(1) in 10^7) close to mass threshold
	now are discarded.

	** Higgs width fixes

	** SatPDF
	Optionally, the PDF extrapolation behaviour outside a given range
	can now be specified.

	** gcc 4.3
	Herwig++-2.2 compiles cleanly with the new gcc 4.3 series.




	* Herwig++-2.1.4 release: 2008-03-03 (tagged at SVN r3024)
	** Ticket #152: Vertex positions
	All vertex positions of unphysical particles are set to zero until
	a fix for the previous nonsensical values can be implemented.




	* Herwig++-2.1.3 release: 2008-02-25 (tagged at SVN r2957)
	** Ticket #129: Baryon decays
	Fix for baryon decay modes.

	** Ticket #131: HepMC
	Check if IO_GenEvent exists

	** Ticket #134: Hadronization
	Smearing of hadron directions in cluster decay fixed.

	** Ticket #137: HepMC
	HepMC conversion allows specification of energy and length units to
	be used.

	** Ticket #139: Neutral kaons
	Ratio K_L / K_S corrected.

	** Ticket #140 / #141: Crash on shutdown
	Event generation from the 'read' stage or an interface now shuts
	down cleanly. Fixes a crash bug introduced in 2.1.1 which affected
	external APIs to ThePEG / Herwig.

	** Ticket #146: BSM models can be disabled
	To save build time, some or all of the BSM models can be disabled
	using the '--enable-models' configure switch.

	** Reorganised .model files
	The .model files now include the model-specific particles, too.

	** Re-tune
	Re-tuned hadronization parameters to LEP data.

	** Other fixes in
	QSPAC implementation in Shower; Multi-parton interaction tuning;
	MRST initialization




	* Herwig++-2.1.2 release: 2008-01-05 (tagged at SVN r2694)
	** Ticket #127
	Thanks to a patch submitted by Fred Stober, HepMCFile now can
	output event files in all supported formats.

	** Ticket #128
	Fixed incorrect value of pi in histogram limits.

	** Other fixes in
	CKKW Qtilde clusterers, BSM width cut, SUSY mixing matrices.




	* Herwig++-2.1.1 release: 2007-12-08 (tagged at SVN r2589)
	** Bug #123
	Fixed a bug with particle lifetimes which resulted in nan for some
	vertex positions.

	** Secondary scatters
	Fixed bug which gave intrinsic pT to secondary scatters.

	** gcc abs bug detection
	configure now checks for and works around
	http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34130

	** CKKW reweighting
	Fixed wrong check for top quarks.

	** MPIHandler
	Fixed call order ambiguity.




	* Herwig++-2.1.0 release: 2007-11-20 (tagged at SVN r2542)
	** Major new release
	Herwig++-2.1 includes significant improvements, including
	multi-parton interactions, BSM physics and a new hadronic decay
	model, tuned to LEP data.

	For an overview of the changes, please see the release note
	arXiv:0711.3137




	* Herwig++-2.0.3 release: 2007-08-21 (tagged at SVN r2101)

	** Bug #90
	nan in top decay ME corrections fixed.

	** unlisted
	Colour flow fix in LightClusterDecayer

	** unlisted
	Updated version of MultiplicityCount analysis handler.




	* Herwig++-2.0.2 release: 2007-07-06 (tagged at SVN r1716)

	** Bug #80
	Separation of HepMC from CLHEP is handled properly now.

	** Bug #83
	Workaround for OS X header problem

	** unlisted
	Veto on very hard emissions from Shower.

	** unlisted
	Detailed documentation in .in files




	* Herwig++-2.0.1 release: 2006-12-05 (tagged at SVN r1195)

	** Bug #54
	ClusterFissioner vertex calculation fixed.

	** Bug #57
	Crash when showering W+jet events supplied by Les Houches interface.

	** Bug #59
	Fix for #57 applied to LHC events.

	** Bug #60
	Segfault when PDF is set to NoPDF.

	** Bug #61
	Missing weight factor for I=0 mesons

	** Bug #62
	Spinor vertex calculations broken when spinor rep is not default rep.

	** Bug #63
	Top decay never produces tau.

	** Bug #69
	TTbar and HiggsJet analysis handlers fixed.

	** unlisted
	Reorganization of Hadronization module gives 30% speedup.
	Thanks to Vincenzo Innocente at CMS for his profiling work!

	** unlisted
	cleaner automake files in include/ and src/

	** unlisted
	Hw64 hadron selection algorithm 'abortnow' fixed.

	** unlisted
	Top/LeptonDalitzAnalysis removed (only worked with modified code).

	** unlisted
	removed f'_0 from particle list, decays were not handled




	* Herwig++-2.0.0 release: 2006-09-28 (tagged at SVN r1066)

	** Full simulation of hadron collisions
	diff --git a/README b/README
	--- a/README
	+++ b/README
	@@ -1,14 +1,14 @@
	========
	Herwig 7
	========

	-This is the release of Herwig 7.2.2, a multi purpose event
	+This is the release of Herwig 7.2.3, a multi purpose event
	generator for high energy physics.

	The Herwig++ distribution contains an adapted version of LoopTools 2.6
	<http://www.feynarts.de/looptools/>.

	BUILD AND INSTALL
	=================
	Please refer to https://herwig.hepforge.org/tutorials/ for detailed
	instructions.
	diff --git a/Shower/QTilde/Makefile.am b/Shower/QTilde/Makefile.am
	--- a/Shower/QTilde/Makefile.am
	+++ b/Shower/QTilde/Makefile.am
	@@ -1,46 +1,46 @@
	SUBDIRS = Matching
	pkglib_LTLIBRARIES = HwShower.la
	-HwShower_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 28:0:0
	+HwShower_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 29:0:0
	HwShower_la_SOURCES = \
	Couplings/ShowerAlphaQCD.h Couplings/ShowerAlphaQCD.cc \
	Couplings/ShowerAlphaQED.h Couplings/ShowerAlphaQED.cc\
	QTildeShowerHandler.h QTildeShowerHandler.fh QTildeShowerHandler.cc \
	SplittingFunctions/HalfHalfOneSplitFn.h SplittingFunctions/HalfHalfOneSplitFn.cc\
	SplittingFunctions/OneOneOneSplitFn.h SplittingFunctions/OneOneOneSplitFn.cc\
	SplittingFunctions/OneOneOneMassiveSplitFn.h SplittingFunctions/OneOneOneMassiveSplitFn.cc\
	SplittingFunctions/ZeroZeroOneSplitFn.h SplittingFunctions/ZeroZeroOneSplitFn.cc\
	SplittingFunctions/OneHalfHalfSplitFn.h SplittingFunctions/OneHalfHalfSplitFn.cc\
	SplittingFunctions/HalfOneHalfSplitFn.h SplittingFunctions/HalfOneHalfSplitFn.cc\
	SplittingFunctions/CMWOneOneOneSplitFn.h SplittingFunctions/CMWOneOneOneSplitFn.cc\
	SplittingFunctions/CMWHalfHalfOneSplitFn.h SplittingFunctions/CMWHalfHalfOneSplitFn.cc\
	Kinematics/Decay_QTildeShowerKinematics1to2.cc \
	Kinematics/Decay_QTildeShowerKinematics1to2.h \
	Kinematics/IS_QTildeShowerKinematics1to2.cc Kinematics/IS_QTildeShowerKinematics1to2.h \
	Kinematics/FS_QTildeShowerKinematics1to2.cc Kinematics/FS_QTildeShowerKinematics1to2.h \
	Kinematics/KinematicHelpers.h \
	Kinematics/KinematicsReconstructor.cc \
	Kinematics/KinematicsReconstructor.tcc \
	Kinematics/KinematicsReconstructor.h \
	Kinematics/KinematicsReconstructor.fh \
	Base/HardTree.cc Base/HardTree.h Base/HardTree.fh \
	Base/HardBranching.h Base/HardBranching.fh Base/HardBranching.cc\
	Base/PartnerFinder.h Base/PartnerFinder.fh Base/PartnerFinder.cc \
	Base/ShowerVeto.h Base/ShowerVeto.fh Base/ShowerVeto.cc \
	Base/FullShowerVeto.h Base/FullShowerVeto.fh Base/FullShowerVeto.cc \
	SplittingFunctions/SplittingGenerator.cc SplittingFunctions/SplittingGenerator.h\
	SplittingFunctions/SplittingGenerator.fh \
	Base/ShowerTree.h Base/ShowerTree.fh Base/ShowerTree.cc \
	ShowerConfig.h ShowerConfig.cc \
	Base/Branching.h \
	Base/ShowerParticle.cc Base/ShowerParticle.fh Base/ShowerParticle.h \
	Kinematics/ShowerKinematics.fh Kinematics/ShowerKinematics.h Kinematics/ShowerKinematics.cc \
	Kinematics/ShowerBasis.fh Kinematics/ShowerBasis.h Kinematics/ShowerBasis.cc \
	Base/ShowerProgenitor.fh Base/ShowerProgenitor.h \
	SplittingFunctions/SudakovFormFactor.cc SplittingFunctions/SudakovFormFactor.h SplittingFunctions/SudakovFormFactor.fh \
	SplittingFunctions/SudakovCutOff.cc SplittingFunctions/SudakovCutOff.h SplittingFunctions/SudakovCutOff.fh \
	SplittingFunctions/PTCutOff.cc SplittingFunctions/PTCutOff.h \
	SplittingFunctions/MassCutOff.cc SplittingFunctions/MassCutOff.h \
	SplittingFunctions/VariableMassCutOff.cc SplittingFunctions/VariableMassCutOff.h \
	SplittingFunctions/SplittingFunction.h SplittingFunctions/SplittingFunction.fh \
	SplittingFunctions/SplittingFunction.cc \
	Base/ShowerVertex.cc Base/ShowerVertex.fh Base/ShowerVertex.h
	diff --git a/configure.ac b/configure.ac
	--- a/configure.ac
	+++ b/configure.ac
	@@ -1,246 +1,246 @@
	dnl Process this file with autoconf to produce a configure script.

	AC_PREREQ([2.63])
	-AC_INIT([Herwig],[7.2.2],[herwig@projects.hepforge.org],[Herwig])
	+AC_INIT([Herwig],[7.2.3],[herwig@projects.hepforge.org],[Herwig])
	AC_CONFIG_SRCDIR([Utilities/HerwigStrategy.cc])
	AC_CONFIG_AUX_DIR([Config])
	AC_CONFIG_MACRO_DIR([m4])
	AC_CONFIG_HEADERS([Config/config.h])
	dnl AC_PRESERVE_HELP_ORDER
	AC_CANONICAL_HOST

	dnl === disable debug symbols by default =====
	if test "x$CXXFLAGS" = "x"; then
	CXXFLAGS="-O2 -DBOOST_UBLAS_NDEBUG"
	fi
	if test "x$CFLAGS" = "x"; then
	CFLAGS=-O2
	fi

	AC_LANG([C++])

	AM_INIT_AUTOMAKE([1.11 subdir-objects gnu dist-bzip2 no-dist-gzip -Wall -Wno-portability])
	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
	m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

	dnl Checks for C++ compiler. Handle C++11 flags.
	AC_PROG_CXX
	AX_CXX_COMPILE_STDCXX([11],[noext],[mandatory])

	dnl check for POSIX
	AC_CHECK_HEADER([unistd.h],[],
	[AC_MSG_ERROR([Herwig needs "unistd.h". Non-POSIX systems are not supported.])])
	AC_CHECK_HEADER([sys/stat.h],[],
	[AC_MSG_ERROR([Herwig needs "sys/stat.h". Non-POSIX systems are not supported.])])

	dnl Checks for programs.
	AC_PROG_INSTALL
	AC_PROG_MAKE_SET
	AC_PROG_LN_S

	dnl modified search order
	AC_PROG_FC([gfortran g95 g77])
	dnl xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn xlf90 f90 pgf90 pghpf epcf90 xlf f77 frt pgf77 cf77 fort77 fl32 af77])
	AC_LANG_PUSH([Fortran])
	AC_MSG_CHECKING([if the Fortran compiler ($FC) works])
	AC_COMPILE_IFELSE(
	AC_LANG_PROGRAM([],[ print *[,]"Hello"]),
	[AC_MSG_RESULT([yes])],
	[AC_MSG_RESULT([no])
	AC_MSG_ERROR([A Fortran compiler is required to build Herwig.])
	]
	)
	AC_LANG_POP([Fortran])
	AC_FC_WRAPPERS


	LT_PREREQ([2.2.6])
	LT_INIT([disable-static dlopen pic-only])

	dnl ####################################
	dnl ####################################

	dnl for Doc/fixinterfaces.pl
	AC_PATH_PROG(PERL, perl)

	dnl for Models/Feynrules
	AM_PATH_PYTHON([2.6],, [:])
	AM_CONDITIONAL([HAVE_PYTHON], [test "x$PYTHON" != "x:"])

	HERWIG_CHECK_GSL

	HERWIG_CHECK_THEPEG

	BOOST_REQUIRE([1.41])
	BOOST_FIND_HEADER([boost/numeric/ublas/io.hpp])
	dnl Boost 1.64 is missing a required header to make these work
	dnl we just assume they're there if io.hpp has been found OK above
	dnl BOOST_FIND_HEADER([boost/numeric/ublas/matrix.hpp])
	dnl BOOST_FIND_HEADER([boost/numeric/ublas/matrix_proxy.hpp])
	dnl BOOST_FIND_HEADER([boost/numeric/ublas/matrix_sparse.hpp])
	dnl BOOST_FIND_HEADER([boost/numeric/ublas/symmetric.hpp])
	dnl BOOST_FIND_HEADER([boost/numeric/ublas/vector.hpp])
	BOOST_FIND_HEADER([boost/operators.hpp])
	BOOST_TEST()

	HERWIG_CHECK_VBFNLO

	HERWIG_CHECK_NJET

	HERWIG_CHECK_GOSAM

	HERWIG_CHECK_GOSAM_CONTRIB

	HERWIG_CHECK_OPENLOOPS

	HERWIG_CHECK_MADGRAPH

	HERWIG_CHECK_PYTHIA

	HERWIG_CHECK_EVTGEN

	HERWIG_COMPILERFLAGS

	HERWIG_LOOPTOOLS

	FASTJET_CHECK_FASTJET

	HERWIG_ENABLE_MODELS

	SHARED_FLAG=-shared
	AM_CONDITIONAL(NEED_APPLE_FIXES,
	[test "xx${host/darwin/foundit}xx" != "xx${host}xx"])
	if test "xx${host/darwin/foundit}xx" != "xx${host}xx"; then
	APPLE_DSO_FLAGS=-Wl,-undefined,dynamic_lookup
	SHARED_FLAG=-bundle
	fi
	AC_SUBST([APPLE_DSO_FLAGS])
	AC_SUBST([SHARED_FLAG])

	AC_CONFIG_FILES([UnderlyingEvent/Makefile
	Models/Makefile
	Models/StandardModel/Makefile
	Models/RSModel/Makefile
	Models/General/Makefile
	Models/Susy/Makefile
	Models/Susy/NMSSM/Makefile
	Models/Susy/RPV/Makefile
	Models/UED/Makefile
	Models/LH/Makefile
	Models/LHTP/Makefile
	Models/Transplanckian/Makefile
	Models/Leptoquarks/Makefile
	Models/Zprime/Makefile
	Models/TTbAsymm/Makefile
	Models/Feynrules/Makefile
	Models/Feynrules/python/Makefile-FR
	Models/ADD/Makefile
	Models/Sextet/Makefile
	Decay/Makefile
	Decay/FormFactors/Makefile
	Decay/Tau/Makefile
	Decay/Baryon/Makefile
	Decay/VectorMeson/Makefile
	Decay/Perturbative/Makefile
	Decay/ScalarMeson/Makefile
	Decay/TensorMeson/Makefile
	Decay/WeakCurrents/Makefile
	Decay/Partonic/Makefile
	Decay/General/Makefile
	Decay/Radiation/Makefile
	Decay/EvtGen/Makefile
	Doc/refman.conf
	Doc/refman.h
	PDT/Makefile
	PDF/Makefile
	MatrixElement/Makefile
	MatrixElement/General/Makefile
	MatrixElement/Lepton/Makefile
	MatrixElement/Hadron/Makefile
	MatrixElement/DIS/Makefile
	MatrixElement/Powheg/Makefile
	MatrixElement/Gamma/Makefile
	MatrixElement/Reweighters/Makefile
	MatrixElement/Matchbox/Makefile
	MatrixElement/Matchbox/Base/Makefile
	MatrixElement/Matchbox/Utility/Makefile
	MatrixElement/Matchbox/Phasespace/Makefile
	MatrixElement/Matchbox/Dipoles/Makefile
	MatrixElement/Matchbox/InsertionOperators/Makefile
	MatrixElement/Matchbox/Matching/Makefile
	MatrixElement/Matchbox/Cuts/Makefile
	MatrixElement/Matchbox/Scales/Makefile
	MatrixElement/Matchbox/ColorFull/Makefile
	MatrixElement/Matchbox/CVolver/Makefile
	MatrixElement/Matchbox/Builtin/Makefile
	MatrixElement/Matchbox/Builtin/Amplitudes/Makefile
	MatrixElement/Matchbox/Tests/Makefile
	MatrixElement/Matchbox/External/Makefile
	MatrixElement/Matchbox/External/BLHAGeneric/Makefile
	MatrixElement/Matchbox/External/VBFNLO/Makefile
	MatrixElement/Matchbox/External/NJet/Makefile
	MatrixElement/Matchbox/External/GoSam/Makefile
	MatrixElement/Matchbox/External/OpenLoops/Makefile
	MatrixElement/Matchbox/External/MadGraph/Makefile
	MatrixElement/Matchbox/External/MadGraph/mg2herwig
	MatrixElement/FxFx/Makefile
	Sampling/Makefile
	Sampling/CellGrids/Makefile
	Shower/Makefile
	Shower/QTilde/Makefile
	Shower/QTilde/Matching/Makefile
	Shower/Dipole/Makefile
	Shower/Dipole/Base/Makefile
	Shower/Dipole/Kernels/Makefile
	Shower/Dipole/Kinematics/Makefile
	Shower/Dipole/Utility/Makefile
	Shower/Dipole/AlphaS/Makefile
	Shower/Dipole/SpinCorrelations/Makefile
	Utilities/Makefile
	Utilities/XML/Makefile
	Utilities/Statistics/Makefile
	Hadronization/Makefile
	lib/Makefile
	include/Makefile
	src/Makefile
	src/defaults/Makefile
	src/snippets/Makefile
	src/Matchbox/Makefile
	src/herwig-config
	Doc/Makefile
	Doc/HerwigDefaults.in
	Looptools/Makefile
	Analysis/Makefile
	API/Makefile
	src/Makefile-UserModules
	src/defaults/Analysis.in
	src/defaults/MatchboxDefaults.in
	src/defaults/Decays.in
	src/defaults/decayers.in
	src/defaults/setup.gosam.in
	src/Matchbox/LO-DefaultShower.in
	src/Matchbox/LO-DipoleShower.in
	src/Matchbox/MCatLO-DefaultShower.in
	src/Matchbox/MCatLO-DipoleShower.in
	src/Matchbox/LO-NoShower.in
	src/Matchbox/MCatNLO-DefaultShower.in
	src/Matchbox/MCatNLO-DipoleShower.in
	src/Matchbox/NLO-NoShower.in
	src/Matchbox/Powheg-DefaultShower.in
	src/Matchbox/Powheg-DipoleShower.in
	src/Merging/Makefile
	Shower/Dipole/Merging/Makefile
	src/defaults/MatchboxMergingDefaults.in
	Contrib/Makefile
	Contrib/make_makefiles.sh
	Tests/Makefile
	Makefile])

	AC_CONFIG_LINKS([Doc/BSMlibs.in:Doc/BSMlibs.in])
	AC_CONFIG_FILES([Doc/fixinterfaces.pl],[chmod +x Doc/fixinterfaces.pl])
	AC_CONFIG_HEADERS([PDF/SaSPhotonPDF.cc])
	HERWIG_OVERVIEW

	AC_CONFIG_COMMANDS([summary],[cat config.herwig])

	AC_OUTPUT

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