Index: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog	(revision 8724)
+++ trunk/ChangeLog	(revision 8725)
@@ -1,2229 +1,2229 @@
 ChangeLog -- Summary of changes to the WHIZARD package
 
 Use svn log to see detailed changes.
 
 	Version 3.0.0+
 
 2021-07-02
 	Improvement for POWHEG matching:
 	- implement massless recoil case
-	- allow reading in existing POWHEG grids
+	- enable reading in existing POWHEG grids
 	- support kinematic cuts at generator level
 
 2021-07-01
 	Distinguish different cases of photons in NLO EW corrections
 
 2021-06-21
 	Option to keep negative PDF entries or set them zero
 
 2021-05-31
 	Full LCIO MC production files can be properly recasted
 
 2021-05-24
         Use defaults for UFO models without propagators.py
 
 2021-05-21
 	Bug fix: prevent invalid code for UFO models containing hyphens
 
 2021-05-20
 	UFO files with scientific notation float constants allowed
 	UFO files: max. n-arity of vertices bound by process multiplicity
 
 ##################################################################
 
 2021-04-27
 	RELEASE: version 3.0.0
 
 2021-04-20
 	Minimal required OCaml version is now 4.05.0.
 	Bug fix for tau polarization from stau decays
 
 2021-04-19
 	NLO EW splitting functions and collinear remnants completed
 	Photon recombination implemented
 
 2021-04-14
 	Bug fix for vertices/status codes with HepMC2/3 event format
 
 2021-04-08
 	Correct Lorentz statistics for UFO model with Majorana fermions
 
 2021-04-06
 	Bug fix for rare script failure in system_dependencies.f90.in
 	Kappa factor for quartic Higgs coupling in SM_ac(_CKM) model
 
 2021-04-04
 	Support for UFO extensions in SMEFTSim 3.0
 
 2021-02-25
 	Enable VAMP and VAMP2 channel equivalences for NLO integrations
 
 2021-02-04
 	Bug fix if user does not set a prefix at configuration
 
 2020-12-10
 	Generalize NLO calculations to non-CMS lab frames
 
 2020-12-08
 	Bug fix in expanded p-wave form factor for top threshold
 
 2020-12-06
 	Patch for macOS Big Sur shared library handling due to libtool;
 	   the patch also demands gcc/gfortran 11.0/10.3/9.4/8.5
 
 2020-12-04
 	O'Mega only inserts non-vanishing couplings from UFO models
 
 2020-11-21
 	Bug fix for fractional hypercharges in UFO models
 
 2020-11-11
 	Enable PYTHIA6 settings for eh collisions (enable-pythia6_eh)
 
 2020-11-09
 	Correct flavor assignment for NLO fixed-order events
 
 2020-11-05
 	Bug fix for ISR handler not working with unstable particles
 
 2020-10-08
 	Bug fix in LHAPDF interface for photon PDFs
 
 2020-10-07
 	Bug fix for structure function setup with asymmetric beams
 
 2020-10-02
 	Python/Cython layer for WHIZARD API
 
 2020-09-30
 	Allow mismatches of Python and name attributes in UFO models
 
 2020-09-26
 	Support for negative PDG particles from certain UFO models
 
 2020-09-24
 	Allow for QNUMBERS blocks in BSM SLHA files
 
 2020-09-22
 	Full support for compilation with clang(++) on Darwin/macOS
 	More documentation in the manual
 	Minor clean-ups
 
 2020-09-16
 	Bug fix enables reading LCIO events with LCIO v2.15+
 
 ##################################################################
 
 2020-09-16
 	RELEASE: version 2.8.5
 
 2020-09-11
 	Bug fix for H->tau tau transverse polarization with PYTHIA6
 	   (thanks to Junping Tian / Akiya Miyamoto)
 
 2020-09-09
 	Fix a long standing bug (since 2.0) in the calculation of color
 	factors when particles of different color were combined in a
 	particle class.  NB: O'Mega never produced a wrong number,
 	it only declared all processes as invalid.
 
 2020-09-08
 	Enable Openloops matrix element equivalences for optimization
 
 2020-09-02
 	Compatibility fix for PYTHIA v8.301+ interface
 
 2020-09-01
 	Support exclusive jet clustering in ee for Fastjet interface
 
 ##################################################################
 
 2020-08-30
 	RELEASE: version 3.0.0_beta
 
 2020-08-27
 	Major revision of NLO distributions and events for
 	   processes with structure functions:
 	- Use parton momenta/flavors (instead of beams) for events
 	- Bug fix for Lorentz boosts and Lorentz frames of momenta
 	- Bug fix: apply cuts to virtual NLO component in correct frame
 	- Correctly assign ISR radiation momenta in data structures
 	- Refactoring on quantum numbers for NLO event data structures
 	- Functional tests for hadron collider NLO distributions
 	- many minor bug fixes regarding NLO hadron collider physics
 
 2020-08-11
 	Bug fix for linking problem with OpenMPI
 
 2020-08-07
 	New WHIZARD API: WHIZARD can be externally linked as a
 	  library, added examples for Fortran, C, C++ programs
 
 ##################################################################
 
 2020-07-08
 	RELEASE: version 2.8.4
 
 2020-07-07
 	Bug fix: steering of UFO Majorana models from WHIZARD
 
 ##################################################################
 
 2020-07-06
 	Combined integration also for hadron collider processes at NLO
 
 2020-07-05
 	Bug fix: correctly steer e+e- FastJet clustering algorithms
 	Major revision of NLO differential distributions and events:
 	- Correctly assign quantum numbers to NLO fixed-order events
 	- Correctly assign weights to NLO fixed-order events for
 	     combined simulation
 	- Cut all NLO fixed-order subevents in event groups individually
 	- Only allow "sigma" normalization for NLO fixed-order events
 	- Use correct PDF setup for NLO counter events
 	- Several technical fixes and updates of the NLO testsuite
 
 ##################################################################
 
 2020-07-03
 	RELEASE: version 2.8.3
 
 2020-07-02
 	Feature-complete UFO implementation for Majorana fermions
 
 2020-06-22
 	Running width scheme supported for O'Mega matrix elements
 
 2020-06-20
 	Adding H-s-s coupling to SM_Higgs(_CKM) models
 
 2020-06-17
 	Completion of ILC 2->6 fermion extended test suite
 
 2020-06-15
 	Bug fix: PYTHIA6/Tauola, correctly assign tau spins for stau decays
 
 2020-06-09
 	Bug fix: correctly update calls for additional VAMP/2 iterations
 	Bug fix: correct assignment for tau spins from PYTHIA6 interface
 
 2020-06-04
 	Bug fix: cascades2 tree merge with empty subtree(s)
 
 2020-05-31
 	Switch $epa_mode for different EPA implementations
 
 2020-05-26
 	Bug fix: spin information transferred for resonance histories
 
 2020-04-13
 	HepMC: correct weighted events for non-xsec event normalizations
 
 2020-04-04
 	Improved HepMC3 interface: HepMC3 Root/RootTree interface
 
 2020-03-24
 	ISR: Fix on-shell kinematics for events with ?isr_handler=true
 	   (set ?isr_handler_keep_mass=false for old behavior)
 
 2020-03-11
 	Beam masses are correctly passed to hard matrix element for CIRCE2
 	EPA with polarized beams: double-counting corrected
 
 ##################################################################
 
 2020-03-03
 	RELEASE: version 3.0.0_alpha
 
 2020-02-25
 	Bug fix: Scale and alphas can be retrieved from internal event format to
 	   external formats
 
 2020-02-17
 	Bug fix: ?keep_failed_events now forces output of actual event data
 	Bug fix: particle-set reconstruction (rescanning events w/o radiation)
 
 2020-01-28
 	Bug fix for left-over EPA parameter epa_e_max (replaced by epa_q_max)
 
 2020-01-23
 	Bug fix for real components of NLO QCD 2->1 processes
 
 2020-01-22
         Bug fix: correct random number sequencing during parallel MPI event
 	   generation with rng_stream
 
 2020-01-21
 	Consistent distribution of events during parallel MPI event generation
 
 2020-01-20
 	Bug fix for configure setup for automake v1.16+
 
 2020-01-18
 	General SLHA parameter files for UFO models supported
 
 2020-01-08
 	Bug fix: correctly register RECOLA processes with flavor sums
 
 2019-12-19
 	Support for UFO customized propagators
 	O'Mega unit tests for fermion-number violating interactions
 
 2019-12-10
 	For distribution building: check for graphviz/dot
 	   version 2.40 or newer
 
 2019-11-21
 	Bug fix: alternate setups now work correctly
 	Infrastructure for accessing alpha_QED event-by-event
 	Guard against tiny numbers that break ASCII event output
 	Enable inverse hyperbolic functions as SINDARIN observables
 	Remove old compiler bug workarounds
 
 2019-11-20
 	Allow quoted -e argument, implemented -f option
 
 2019-11-19
 	Bug fix: resonance histories now work also with UFO models
 	Fix in numerical precision of ASCII VAMP2 grids
 
 2019-11-06
 	Add squared matrix elements to the LCIO event header
 
 2019-11-05
 	Do not include RNG state in MD5 sum for CIRCE1/2
 
 2019-11-04
 	Full CIRCE2 ILC 250 and 500 GeV beam spectra added
 	Minor update on LCIO event header information
 
 2019-10-30
 	NLO QCD for final states completed
 	When using Openloops, v2.1.1+ mandatory
 
 2019-10-25
 	Binary grid files for VAMP2 integrator
 
 ##################################################################
 
 2019-10-24
 	RELEASE: version 2.8.2
 
 2019-10-20
 	Bug fix for HepMC linker flags
 
 2019-10-19
 	Support for spin-2 particles from UFO files
 
 2019-09-27
 	LCIO event format allows rescan and alternate weights
 
 2019-09-24
 	Compatibility fix for OCaml v4.08.0+
 
 ##################################################################
 
 2019-09-21
 	RELEASE: version 2.8.1
 
 2019-09-19
 	Carriage return characters in UFO models can be parsed
 	Mathematica symbols in UFO models possible
 	Unused/undefined parameters in UFO models handled
 
 2019-09-13
 	New extended NLO test suite for ee and pp processes
 
 2019-09-09
 	Photon isolation (separation of perturbative and fragmentation
 	   part a la Frixione)
 
 2019-09-05
 	Major progress on NLO QCD for hadron collisions:
 	- correctly assign flavor structures for alpha regions
 	- fix crossing of particles for initial state splittings
 	- correct assignment for PDF factors for real subtractions
 	- fix kinematics for collinear splittings
 	- bug fix for integrated virtual subtraction terms
 
 2019-09-03
 	b and c jet selection in cuts and analysis
 
 2019-08-27
 	Support for Intel MPI
 
 2019-08-20
 	Complete (preliminary) HepMC3 support (incl.
 	   backwards HepMC2 write/read mode)
 
 2019-08-08
 	Bug fix: handle carriage returns in UFO files (non-Unix OS)
 
 ##################################################################
 
 2019-08-07
 	RELEASE: version 2.8.0
 
 2019-07-31
 	Complete WHIZARD UFO interface:
 	- general Lorentz structures
 	- matrix element support for general color factors
 	- missing features: Majorana fermions and SLHA
 
 2019-07-20
 	Make WHIZARD compatible with OCaml 4.08.0+
 
 2019-07-19
 	Fix version testing for LHAPDF 6.2.3 and newer
 	Minimal required OCaml version is now 4.02.3.
 
 2019-04-18
 	Correctly generate ordered FKS tuples for alpha regions
 	   from all possible underlying Born processes
 
 2019-04-08
 	Extended O'Mega/Recola matrix element test suite
 
 2019-03-29
 	Correct identical particle symmetry factors for FKS subtraction
 
 2019-03-28
 	Correct assertion of spin-correlated matrix
 	   elements for hadron collisions
 
 2019-03-27
 	Bug fix for cut-off parameter delta_i for
 	   collinear plus/minus regions
 
 ##################################################################
 
 2019-03-27
 	RELEASE: version 2.7.1
 
 2019-02-19
 	Further infrastructure for HepMC3 interface (v3.01.00)
 
 2019-02-07
 	Explicit configure option for using debugging options
 	Bug fix for performance by removing unnecessary debug operations
 
 2019-01-29
 	Bug fix for DGLAP remnants with cut-off parameter delta_i
 
 2019-01-24
 	Radiative decay neu2 -> neu1 A added to MSSM_Hgg model
 
 ##################################################################
 
 2019-01-21
 	RELEASE: version 2.7.0
 
 2018-12-18
 	Support RECOLA for integrated und unintegrated subtractions
 
 2018-12-11
 	FCNC top-up sector in model SM_top_anom
 
 2018-12-05
 	Use libtirpc instead of SunRPC on Arch Linux etc.
 
 2018-11-30
 	Display rescaling factor for weighted event samples with cuts
 
 2018-11-29
 	Reintroduce check against different masses in flavor sums
 	Bug fix for wrong couplings in the Littlest Higgs model(s)
 
 2018-11-22
 	Bug fix for rescanning events with beam structure
 
 2018-11-09
 	Major refactoring of internal process data
 
 2018-11-02
 	PYTHIA8 interface
 
 2018-10-29
         Flat phase space parametrization with RAMBO (on diet) implemented
 
 2018-10-17
 	Revise extended test suite
 
 2018-09-27
 	Process container for RECOLA processes
 
 2018-09-15
 	Fixes by M. Berggren for PYTHIA6 interface
 
 2018-09-14
 	First fixes after HepForge modernization
 
 ##################################################################
 
 2018-08-23
 	RELEASE: version 2.6.4
 
 2018-08-09
 	Infrastructure to check colored subevents
 
 2018-07-10
 	Infrastructure for running WHIZARD in batch mode
 
 2018-07-04
 	MPI available from distribution tarball
 
 2018-06-03
 	Support Intel Fortran Compiler under MAC OS X
 
 2018-05-07
 	FKS slicing parameter delta_i (initial state) implementend
 
 2018-05-03
 	Refactor structure function assignment for NLO
 
 2018-05-02
 	FKS slicing parameter xi_cut, delta_0 implemented
 
 2018-04-20
 	Workspace subdirectory for process integration (grid/phs files)
 	Packing/unpacking of files at job end/start
 	Exporting integration results from scan loops
 
 2018-04-13
 	Extended QCD NLO test suite
 
 2018-04-09
 	Bug fix for Higgs Singlet Extension model
 
 2018-04-06
 	Workspace subdirectory for process generation and compilation
 	--job-id option for creating job-specific names
 
 2018-03-20
 	Bug fix for color flow matching in hadron collisions
 	   with identical initial state quarks
 
 2018-03-08
 	Structure functions quantum numbers correctly assigned for NLO
 
 2018-02-24
 	Configure setup includes 'pgfortran' and 'flang'
 
 2018-02-21
 	Include spin-correlated matrix elements in interactions
 
 2018-02-15
 	Separate module for QED ISR structure functions
 
 ##################################################################
 
 2018-02-10
 	RELEASE: version 2.6.3
 
 2018-02-08
 	Improvements in memory management for PS generation
 
 2018-01-31
 	Partial refactoring: quantum number assigment NLO
 	Initial-state QCD splittings for hadron collisions
 
 2018-01-25
 	Bug fix for weighted events with VAMP2
 
 2018-01-17
 	Generalized interface for Recola versions 1.3+  and 2.1+
 
 2018-01-15
 	Channel equivalences also for VAMP2 integrator
 
 2018-01-12
 	Fix for OCaml compiler 4.06 (and newer)
 
 2017-12-19
 	RECOLA matrix elements with flavor sums can be integrated
 
 2017-12-18
 	Bug fix for segmentation fault in empty resonance histories
 
 2017-12-16
 	Fixing a bug in PYTHIA6 PYHEPC routine by omitting CMShowers
 	  from transferral between PYTHIA and WHIZARD event records
 
 2017-12-15
 	Event index for multiple processes in event file correct
 
 ##################################################################
 
 2017-12-13
 	RELEASE: version 2.6.2
 
 2017-12-07
 	User can set offset in event numbers
 
 2017-11-29
 	Possibility to have more than one RECOLA process in one file
 
 2017-11-23
 	Transversal/mixed (and unitarized) dim-8 operators
 
 2017-11-16
 	epa_q_max replaces epa_e_max (trivial factor 2)
 
 2017-11-15
 	O'Mega matrix element compilation silent now
 
 2017-11-14
 	Complete expanded P-wave form factor for top threshold
 
 2017-11-10
 	Incoming particles can be accessed in SINDARIN
 
 2017-11-08
 	Improved handling of resonance insertion, additional parameters
 
 2017-11-04
 	Added Higgs-electron coupling (SM_Higgs)
 
 ##################################################################
 
 2017-11-03
 	RELEASE: version 2.6.1
 
 2017-10-20
 	More than 5 NLO components possible at same time
 
 2017-10-19
 	Gaussian cutoff for shower resonance matching
 
 2017-10-12
 	Alternative (more efficient) method to generate
 	   phase space file
 
 2017-10-11
 	Bug fix for shower resonance histories for processes
 	   with multiple components
 
 2017-09-25
 	Bug fix for process libraries in shower resonance histories
 
 2017-09-21
 	Correctly generate pT distribution for EPA remnants
 
 2017-09-20
 	Set branching ratios for unstable particles also by hand
 
 2017-09-14
 	Correctly generate pT distribution for ISR photons
 
 ##################################################################
 
 2017-09-08
 	RELEASE: version 2.6.0
 
 2017-09-05
 	Bug fix for initial state NLO QCD flavor structures
 	Real and virtual NLO QCD hadron collider processes
 	   work with internal interactions
 
 2017-09-04
 	Fully validated MPI integration and event generation
 
 2017-09-01
 	Resonance histories for shower: full support
 	Bug fix in O'Mega model constraints
 	O'Mega allows to output a parsable form of the DAG
 
 2017-08-24
 	Resonance histories in events for transferral
 	   to parton shower (e.g. in ee -> jjjj)
 
 2017-08-01
 	Alpha version of HepMC v3 interface
 	   (not yet really functional)
 
 2017-07-31
 	Beta version for RECOLA OLP support
 
 2017-07-06
 	Radiation generator fix for LHC processes
 
 2017-06-30
 	Fix bug for NLO with structure
 	   functions and/or polarization
 
 2017-06-23
 	Collinear limit for QED corrections works
 
 2017-06-17
 	POWHEG grids generated already during integration
 
 2017-06-12
 	Soft limit for QED corrections works
 
 2017-05-16
 	Beta version of full MPI parallelization (VAMP2)
 	Check consistency of POWHEG grid files
 	Logfile config-summary.log for configure summary
 
 2017-05-12
 	Allow polarization in top threshold
 
 2017-05-09
 	Minimal demand automake 1.12.2
 	Silent rules for make procedures
 
 2017-05-07
 	Major fix for POWHEG damping
 	Correctly initialize FKS ISR phasespace
 
 ##################################################################
 
 2017-05-06
 	RELEASE: version 2.5.0
 
 2017-05-05
 	Full UFO support (SM-like models)
 	Fixed-beam ISR FKS phase space
 
 2017-04-26
 	QED splittings in radiation generator
 
 2017-04-10
 	Retire deprecated O'Mega vertex cache files
 
 ##################################################################
 
 2017-03-24
 	RELEASE: version 2.4.1
 
 2017-03-16
 	Distinguish resonance charge in phase space channels
 	Keep track of resonance histories in phase space
 	Complex mass scheme default for OpenLoops amplitudes
 
 2017-03-13
 	Fix helicities for polarized OpenLoops calculations
 
 2017-03-09
 	Possibility to advance RNG state in rng_stream
 
 2017-03-04
 	General setup for partitioning real emission
 	   phase space
 
 2017-03-06
 	Bug fix on rescan command for converting event files
 
 2017-02-27
 	Alternative multi-channel VEGAS implementation
 	   VAMP2: serial backbone for MPI setup
 	Smoothstep top threshold matching
 
 2017-02-25
 	Single-beam structure function with
 	   s-channel mapping supported
 	Safeguard against invalid process libraries
 
 2017-02-16
 	Radiation generator for photon emission
 
 2017-02-10
 	Fixes for NLO QCD processes (color correlations)
 
 2017-01-16
 	LCIO variable takes precedence over LCIO_DIR
 
 2017-01-13
 	Alternative random number generator
 	   rng_stream (cf. L'Ecuyer et al.)
 
 2017-01-01
 	Fix for multi-flavor BLHA tree
 	   matrix elements
 
 2016-12-31
 	Grid path option for VAMP grids
 
 2016-12-28
 	Alpha version of Recola OLP support
 
 2016-12-27
 	Dalitz plots for FKS phase space
 
 2016-12-14
 	NLO multi-flavor events possible
 
 2016-12-09
 	LCIO event header information added
 
 2016-12-02
 	Alpha version of RECOLA interface
 	Bug fix for generator status in LCIO
 
 ##################################################################
 
 2016-11-28
 	RELEASE: version 2.4.0
 
 2016-11-24
 	Bug fix for OpenLoops interface: EW scheme
 	   is set by WHIZARD
 	Bug fixes for top threshold implementation
 
 2016-11-11
 	Refactoring of dispatching
 
 2016-10-18
 	Bug fix for LCIO output
 
 2016-10-10
 	First implementation for collinear soft terms
 
 2016-10-06
 	First full WHIZARD models from UFO files
 
 2016-10-05
 	WHIZARD does not support legacy gcc 4.7.4 any longer
 
 2016-09-30
 	Major refactoring of process core and NLO components
 
 2016-09-23
 	WHIZARD homogeneous entity: discarding subconfigures
 	  for CIRCE1/2, O'Mega, VAMP subpackages; these are
 	  reconstructable by script projectors
 
 2016-09-06
 	Introduce main configure summary
 
 2016-08-26
 	Fix memory leak in event generation
 
 ##################################################################
 
 2016-08-25
 	RELEASE: version 2.3.1
 
 2016-08-19
 	Bug fix for EW-scheme dependence of gluino propagators
 
 2016-08-01
 	Beta version of complex mass scheme support
 
 2016-07-26
 	Fix bug in POWHEG damping for the matching
 
 ##################################################################
 
 2016-07-21
 	RELEASE: version 2.3.0
 
 2016-07-20
 	UFO file support (alpha version) in O'Mega
 
 2016-07-13
 	New (more) stable of WHIZARD GUI
 	Support for EW schemes for OpenLoops
 	Factorized NLO top decays for threshold model
 
 2016-06-15
 	Passing factorization scale to PYTHIA6
 	Adding charge and neutral observables
 
 2016-06-14
 	Correcting angular distribution/tweaked kinematics in
 	   non-collinear structure functions splittings
 
 2016-05-10
 	Include (Fortran) TAUOLA/PHOTOS for tau decays via PYTHIA6
 	   (backwards validation of LC CDR/TDR samples)
 
 2016-04-27
 	Within OpenLoops virtuals: support for Collier library
 
 2016-04-25
 	O'Mega vertex tables only loaded at first usage
 
 2016-04-21
 	New CJ15 PDF parameterizations added
 
 2016-04-21
 	Support for hadron collisions at NLO QCD
 
 2016-04-05
 	Support for different (parameter) schemes in model files
 
 2016-03-31
 	Correct transferral of lifetime/vertex from PYTHIA/TAUOLA
 	  into the event record
 
 2016-03-21
 	New internal implementation of polarization
 	  via Bloch vectors, remove pointer constructions
 
 2016-03-13
 	Extension of cascade syntax for processes:
 	  exclude propagators/vertices etc. possible
 
 2016-02-24
 	Full support for OpenLoops QCD NLO matrix
 	  elements, inclusion in test suite
 
 2016-02-12
 	Substantial progress on QCD NLO support
 
 2016-02-02
 	Automated resonance mapping for FKS subtraction
 
 2015-12-17
 	New BSM model WZW for diphoton resonances
 
 ##################################################################
 
 2015-11-22
 	RELEASE: version 2.2.8
 
 2015-11-21
 	Bug fix for fixed-order NLO events
 
 2015-11-20
 	Anomalous FCNC top-charm vertices
 
 2015-11-19
 	StdHEP output via HEPEVT/HEPEV4 supported
 
 2015-11-18
 	Full set of electroweak dim-6 operators included
 
 2015-10-22
 	Polarized one-loop amplitudes supported
 
 2015-10-21
 	Fixes for event formats for showered events
 
 2015-10-14
 	Callback mechanism for event output
 
 2015-09-22
 	Bypass matrix elements in pure event sample rescans
 	StdHep frozen final version v5.06.01 included internally
 
 2015-09-21
 	configure option --with-precision to
 	  demand 64bit, 80bit, or 128bit Fortran
 	  and bind C precision types
 
 2015-09-07
 	More extensive tests of NLO
 	   infrastructure and POWHEG matching
 
 2015-09-01
 	NLO decay infrastructure
 	User-defined squared matrix elements
 	Inclusive FastJet algorithm plugin
 	Numerical improvement for small boosts
 
 ##################################################################
 
 2015-08-11
 	RELEASE: version 2.2.7
 
 2015-08-10
 	Infrastructure for damped POWHEG
 	Massive emitters in POWHEG
 	Born matrix elements via BLHA
 	GoSam filters via SINDARIN
 	Minor running coupling bug fixes
 	Fixed-order NLO events
 
 2015-08-06
 	CT14 PDFs included (LO, NLO, NNLL)
 
 2015-07-07
 	Revalidation of ILC WHIZARD-PYTHIA event chain
 	Extended test suite for showered events
 	Alpha version of massive FSR for POWHEG
 
 2015-06-09
 	Fix memory leak in interaction for long cascades
 	Catch mismatch between beam definition and CIRCE2 spectrum
 
 2015-06-08
 	Automated POWHEG matching: beta version
 	Infrastructure for GKS matching
 	Alpha version of fixed-order NLO events
 	CIRCE2 polarization averaged spectra with
 	   explicitly polarized beams
 
 2015-05-12
 	Abstract matching type: OO structure for matching/merging
 
 2015-05-07
 	Bug fix in event record WHIZARD-PYTHIA6 transferral
 	Gaussian beam spectra for lepton colliders
 
 ##################################################################
 
 2015-05-02
 	RELEASE: version 2.2.6
 
 2015-05-01
 	Models for (unitarized) tensor resonances in VBS
 
 2015-04-28
 	Bug fix in channel weights for event generation.
 
 2015-04-18
 	Improved event record transfer WHIZARD/PYTHIA6
 
 2015-03-19
 	POWHEG matching: alpha version
 
 ##################################################################
 
 2015-02-27
 	RELEASE: version 2.2.5
 
 2015-02-26
 	Abstract types for quantum numbers
 
 2015-02-25
 	Read-in of StdHEP events, self-tests
 
 2015-02-22
 	Bug fix for mother-daughter relations in
 	   showered/hadronized events
 
 2015-02-20
 	Projection on polarization in intermediate states
 
 2015-02-13
 	Correct treatment of beam remnants in
 	   event formats (also LC remnants)
 
 ##################################################################
 
 2015-02-06
 	RELEASE: version 2.2.4
 
 2015-02-06
 	Bug fix in event output
 
 2015-02-05
 	LCIO event format supported
 
 2015-01-30
 	Including state matrices in WHIZARD's internal IO
 	Versioning for WHIZARD's internal IO
 	Libtool update from 2.4.3 to 2.4.5
 	LCIO event output (beta version)
 
 2015-01-27
 	Progress on NLO integration
 	Fixing a bug for multiple processes in a single
 	   event file when using beam event files
 
 2015-01-19
 	Bug fix for spin correlations evaluated in the rest
 	   frame of the mother particle
 
 2015-01-17
 	Regression fix for statically linked processes
 	   from SARAH and FeynRules
 
 2015-01-10
 	NLO: massive FKS emitters supported (experimental)
 
 2015-01-06
 	MMHT2014 PDF sets included
 
 2015-01-05
 	Handling mass degeneracies in auto_decays
 
 2014-12-19
 	Fixing bug in rescan of event files
 
 ##################################################################
 
 2014-11-30
 	RELEASE: version 2.2.3
 
 2014-11-29
 	Beta version of LO continuum/NLL-threshold
 	matched top threshold model for e+e- physics
 
 2014-11-28
 	More internal refactoring: disentanglement of module
 	   dependencies
 
 2014-11-21
 	OVM: O'Mega Virtual Machine, bytecode instructions
 	   instead of compiled Fortran code
 
 2014-11-01
 	Higgs Singlet extension model included
 
 2014-10-18
 	Internal restructuring of code; half-way
 	  WHIZARD main code file disassembled
 
 2014-07-09
 	Alpha version of NLO infrastructure
 
 ##################################################################
 
 2014-07-06
 	RELEASE: version 2.2.2
 
 2014-07-05
 	CIRCE2: correlated LC beam spectra and
 	  GuineaPig Interface to LC machine parameters
 
 2014-07-01
 	Reading LHEF for decayed/factorized/showered/
 	   hadronized events
 
 2014-06-25
 	Configure support for GoSAM/Ninja/Form/QGraf
 
 2014-06-22
 	LHAPDF6 interface
 
 2014-06-18
 	Module for automatic generation of
 	  radiation and loop infrastructure code
 
 2014-06-11
 	Improved internal directory structure
 
 ##################################################################
 
 2014-06-03
 	RELEASE: version 2.2.1
 
 2014-05-30
 	Extensions of internal PDG arrays
 
 2014-05-26
 	FastJet interface
 
 2014-05-24
 	CJ12 PDFs included
 
 2014-05-20
 	Regression fix for external models (via SARAH
 	    or FeynRules)
 
 ##################################################################
 
 2014-05-18
 	RELEASE: version 2.2.0
 
 2014-04-11
 	Multiple components: inclusive process definitions,
 	   syntax: process A + B + ...
 
 2014-03-13
 	Improved PS mappings for e+e- ISR
 	ILC TDR and CLIC spectra included in CIRCE1
 
 2014-02-23
 	New models: AltH w\ Higgs for exclusion purposes,
 	  SM_rx for Dim 6-/Dim-8 operators, SSC for
 	  general strong interactions (w/ Higgs), and
 	  NoH_rx (w\ Higgs)
 
 2014-02-14
 	Improved s-channel mapping, new on-shell
 	  production mapping (e.g. Drell-Yan)
 
 2014-02-03
 	PRE-RELEASE: version 2.2.0_beta
 
 2014-01-26
 	O'Mega: Feynman diagram generation possible (again)
 
 2013-12-16
 	HOPPET interface for b parton matching
 
 2013-11-15
 	PRE-RELEASE: version 2.2.0_alpha-4
 
 2013-10-27
 	LHEF standards 1.0/2.0/3.0 implemented
 
 2013-10-15
 	PRE-RELEASE: version 2.2.0_alpha-3
 
 2013-10-02
 	PRE-RELEASE: version 2.2.0_alpha-2
 
 2013-09-25
 	PRE-RELEASE: version 2.2.0_alpha-1
 
 2013-09-12
 	PRE-RELEASE: version 2.2.0_alpha
 
 2013-09-03
 	General 2HDM implemented
 
 2013-08-18
 	Rescanning/recalculating events
 
 2013-06-07
 	Reconstruction of complete event
 	  from 4-momenta possible
 
 2013-05-06
 	Process library stacks
 
 2013-05-02
 	Process stacks
 
 2013-04-29
 	Single-particle phase space module
 
 2013-04-26
 	Abstract interface for random
 	  number generator
 
 2013-04-24
 	More object-orientation on modules
 	Midpoint-rule integrator
 
 2013-04-05
 	Object-oriented integration and
 	  event generation
 
 2013-03-12
 	Processes recasted object-oriented:
 	  MEs, scales, structure functions
 	First infrastructure for general Lorentz
 	  structures
 
 2013-01-17
 	Object-orientated reworking of library and
 	   process core, more variable internal structure,
 	   unit tests
 
 2012-12-14
 	Update Pythia version to 6.4.27
 
 2012-12-04
 	Fix the phase in HAZ vertices
 
 2012-11-21
 	First O'Mega unit tests, some infrastructure
 
 2012-11-13
 	Bug fix in anom. HVV Lorentz structures
 
 ##################################################################
 
 2012-09-18
 	RELEASE: version 2.1.1
 
 2012-09-11
 	Model MSSM_Hgg with Hgg and HAA vertices
 
 2012-09-10
 	First version of implementation of multiple
 	   interactions in WHIZARD
 
 2012-09-05
 	Infrastructure for internal CKKW matching
 
 2012-09-02
 	C, C++, Python API
 
 2012-07-19
 	Fixing particle numbering in HepMC format
 
 ##################################################################
 
 2012-06-15
 	RELEASE: version 2.1.0
 
 2012-06-14
 	Analytical and kT-ordered shower officially
 	  released
 	PYTHIA interface officially released
 
 2012-05-09
 	Intrisince PDFs can be used for showering
 
 2012-05-04
 	Anomalous Higgs couplings a la hep-ph/9902321
 
 ##################################################################
 
 2012-03-19
 	RELEASE: version 2.0.7
 
 2012-03-15
 	Run IDs are available now
 	More event variables in analysis
 	Modified raw event format (compatibility mode exists)
 
 2012-03-12
 	Bug fix in decay-integration order
 	MLM matching steered completely internally now
 
 2012-03-09
 	Special phase space mapping for narrow resonances
 	  decaying to 4-particle final states with far off-shell
 	  intermediate states
 	Running alphas from PDF collaborations with
 	  builtin PDFs
 
 2012-02-16
 	Bug fix in cascades decay infrastructure
 
 2012-02-04
 	WHIZARD documentation compatible with TeXLive 2011
 
 2012-02-01
 	Bug fix in FeynRules interface with --prefix flag
 
 2012-01-29
 	Bug fix with name clash of O'Mega variable names
 
 2012-01-27
 	Update internal PYTHIA to version 6.4.26
 	Bug fix in LHEF output
 
 2012-01-21
 	Catching stricter automake 1.11.2 rules
 
 2011-12-23
 	Bug fix in decay cascade setup
 
 2011-12-20
 	Bug fix in helicity selection rules
 
 2011-12-16
 	Accuracy goal reimplemented
 
 2011-12-14
 	WHIZARD compatible with TeXLive 2011
 
 2011-12-09
 	Option --user-target added
 
 ##################################################################
 
 2011-12-07
 	RELEASE: version 2.0.6
 
 2011-12-07
 	Bug fixes in SM_top_anom
 	Added missing entries to HepMC format
 
 2011-12-06
 	Allow to pass options to O'Mega
 	Bug fix for HEPEVT block for showered/hadronized events
 
 2011-12-01
 	Reenabled user plug-in for external code for
 	   cuts, structure functions, routines etc.
 
 2011-11-29
 	Changed model SM_Higgs for Higgs phenomenology
 
 2011-11-25
 	Supporting a Y, (B-L) Z' model
 
 2011-11-23
 	Make WHIZARD compatible for MAC OS X Lion/XCode 4
 
 2011-09-25
 	WHIZARD paper published: Eur.Phys.J. C71 (2011) 1742
 
 2011-08-16
 	Model SM_QCD: QCD with one EW insertion
 
 2011-07-19
 	Explicit output channel for dvips avoids printing
 
 2011-07-10
 	Test suite for WHIZARD unit tests
 
 2011-07-01
 	Commands for matrix element tests
 	More OpenMP parallelization of kinematics
 	Added unit tests
 
 2011-06-23
 	Conversion of CIRCE2 from F77 to F90, major
 	  clean-up
 
 2011-06-14
 	Conversion of CIRCE1 from F77 to F90
 
 2011-06-10
 	OpenMP parallelization of channel kinematics
 		(by Matthias Trudewind)
 
 2011-05-31
 	RELEASE: version 1.97
 
 2011-05-24
 	Minor bug fixes: update grids and elsif statement.
 
 ##################################################################
 
 2011-05-10
 	RELEASE: version 2.0.5
 
 2011-05-09
 	Fixed bug in final state flavor sums
 	Minor improvements on phase-space setup
 
 2011-05-05
 	Minor bug fixes
 
 2011-04-15
 	WHIZARD as a precompiled 64-bit binary available
 
 2011-04-06
 	Wall clock instead of cpu time for time estimates
 
 2011-04-05
 	Major improvement on the phase space setup
 
 2011-04-02
 	OpenMP parallelization for helicity loop in O'Mega
 	   matrix elements
 
 2011-03-31
 	Tools for relocating WHIZARD and use in batch
 	environments
 
 2011-03-29
 	Completely static builds possible, profiling options
 
 2011-03-28
 	Visualization of integration history
 
 2011-03-27
 	Fixed broken K-matrix implementation
 
 2011-03-23
 	Including the GAMELAN manual in the distribution
 
 2011-01-26
 	WHIZARD analysis can handle hadronized event files
 
 2011-01-17
 	MSTW2008 and CT10 PDF sets included
 
 2010-12-23
 	Inclusion of NMSSM with Hgg couplings
 
 2010-12-21
 	Advanced options for integration passes
 
 2010-11-16
 	WHIZARD supports CTEQ6 and possibly other PDFs
 	directly; data files included in the distribution
 
 ##################################################################
 
 2010-10-26
 	RELEASE: version 2.0.4
 
 2010-10-06
 	Bug fix in MSSM implementation
 
 2010-10-01
 	Update to libtool 2.4
 
 2010-09-29
 	Support for anomalous top couplings (form factors etc.)
 	Bug fix for running gauge Yukawa SUSY couplings
 
 2010-09-28
 	RELEASE: version 1.96
 
 2010-09-21
 	Beam remnants and pT spectra for lepton collider re-enabled
 	Restructuring subevt class
 
 2010-09-16
 	Shower and matching are disabled by default
 	PYTHIA as a conditional on these two options
 
 2010-09-14
 	Possibility to read in beam spectra re-enabled (e.g. Guinea
 	   Pig)
 
 2010-09-13
 	Energy scan as (pseudo-) structure functions re-implemented
 
 2010-09-10
 	CIRCE2 included again in WHIZARD 2 and validated
 
 2010-09-02
 	Re-implementation of asymmetric beam energies and collision
 	  angles, e-p collisions work, inclusion of a HERA DIS test
 	  case
 
 ##################################################################
 
 2010-10-18
 	RELEASE: version 2.0.3
 
 2010-08-08
 	Bug in CP-violating anomalous triple TGCs fixed
 
 2010-08-06
 	Solving backwards compatibility problem with O'Caml 3.12.0
 
 2010-07-12
 	Conserved quantum numbers speed up O'Mega code generation
 
 2010-07-07
 	Attaching full ISR/FSR parton shower and MPI/ISR
 	   module
 	Added SM model containing Hgg, HAA, HAZ vertices
 
 2010-07-02
 	Matching output available as LHEF and STDHEP
 
 2010-06-30
 	Various bug fixes, missing files, typos
 
 2010-06-26
 	CIRCE1 completely re-enabled
 	Chaining structure functions supported
 
 2010-06-25
 	Partial support for conserved quantum numbers in
 	   O'Mega
 
 2010-06-21
 	Major upgrade of the graphics package: error bars,
 	   smarter SINDARIN steering, documentation, and all that...
 
 2010-06-17
 	MLM matching with PYTHIA shower included
 
 2010-06-16
 	Added full CIRCE1 and CIRCE2 versions including
 	full documentation and miscellanea to the trunk
 
 2010-06-12
 	User file management supported, improved variable
 	and command structure
 
 2010-05-24
 	Improved handling of variables in local command lists
 
 2010-05-20
 	PYTHIA interface re-enabled
 
 2010-05-19
 	ASCII file formats for interfacing ROOT and gnuplot in
 	   data analysis
 
 ##################################################################
 
 2010-05-18
 	RELEASE: version 2.0.2
 
 2010-05-14
 	Reimplementation of visualization of phase space
 	   channels
 	Minor bug fixes
 
 2010-05-12
 	Improved phase space - elimination of redundancies
 
 2010-05-08
 	Interface for polarization completed: polarized beams etc.
 
 2010-05-06
 	Full quantum numbers appear in process log
 	Integration results are usable as user variables
 	Communication with external programs
 
 2010-05-05
 	Split module commands into commands, integration,
 	   simulation modules
 
 2010-05-04
 	FSR+ISR for the first time connected to the WHIZARD 2 core
 
 ##################################################################
 
 2010-04-25
 	RELEASE: version 2.0.1
 
 2010-04-23
 	Automatic compile and integrate if simulate is called
 	Minor bug fixes in O'Mega
 
 2010-04-21
 	Checkpointing for event generation
 	Flush statements to use WHIZARD inside a pipe
 
 2010-04-20
 	Reimplementation of signal handling in WGIZARD 2.0
 
 2010-04-19
 	VAMP is now a separately configurable and installable unit of
 	   WHIZARD, included VAMP self-checks
 	Support again compilation in quadruple precision
 
 2010-04-06
 	Allow for logarithmic plots in GAMELAN, reimplement the
 	   possibility to set the number of bins
 
 2010-04-15
 	Improvement on time estimates for event generation
 
 ##################################################################
 
 2010-04-12
 	RELEASE: version 2.0.0
 
 2010-04-09
 	Per default, the code for the amplitudes is subdivided to allow
 	  faster compiler optimization
 	More advanced and unified and straightforward command language
 	  syntax
 	Final bug fixes
 
 2010-04-07
 	Improvement on SINDARIN syntax; printf, sprintf function
 	  thorugh a C interface
 
 2010-04-05
 	Colorizing DAGs instead of model vertices: speed boost
 	  in colored code generation
 
 2010-03-31
 	Generalized options for normalization of weighted and
 	  unweighted events
 	Grid and weight histories added again to log files
 	Weights can be used in analyses
 
 2010-03-28
 	Cascade decays completely implemented including color and
 	   spin correlations
 
 2010-03-07
 	Added new WHIZARD header with logo
 
 2010-03-05
 	Removed conflict in O'Mega amplitudes between flavour sums
 	   and cascades
 	StdHEP interface re-implemented
 
 2010-03-03
 	RELEASE: version 2.0.0rc3
 	Several bug fixes for preventing abuse in input files
 	OpenMP support for amplitudes
 	Reimplementation of WHIZARD 1 HEPEVT ASCII event formats
 	FeynRules interface successfully passed MSSM test
 
 2010-02-26
 	Eliminating ghost gluons from multi-gluon amplitudes
 
 2010-02-25
 	RELEASE: version 1.95
 	HEPEVT format from WHIZARD 1 re-implemented in WHIZARD 2
 
 2010-02-23
 	Running alpha_s implemented in the FeynRules interface
 
 2010-02-19
 	MSSM (semi-) automatized self-tests finalized
 
 2010-02-17
 	RELEASE: version 1.94
 
 2010-02-16
 	Closed memory corruption in WHIZARD 1
 	Fixed problems of old MadGraph and CompHep drivers
 	   with modern compilers
 	Uncolored vertex selection rules for colored amplitudes in
 	   O'Mega
 
 2010-02-15
 	Infrastructure for color correlation computation in O'Mega
 	   finished
 	Forbidden processes are warned about, but treated as non-fatal
 
 2010-02-14
 	Color correlation computation in O'Mega finalized
 
 2010-02-10
 	Improving phase space mappings for identical particles in
 	initial and final states
 	Introduction of more extended multi-line error message
 
 2010-02-08
 	First O'Caml code for computation of color correlations in
 	O'Mega
 
 2010-02-07
 	First MLM matching with e+ e- -> jets
 
 ##################################################################
 
 2010-02-06
 	RELEASE: version 2.0.0rc2
 
 2010-02-05
 	Reconsidered the Makefile structure and more extended tests
 	Catch a crash between WHIZARD and O'Mega for forbidden processes
 	Tensor products of arbitrary color structures in jet definitions
 
 2010-02-04
 	Color correlation computation in O'Mega finalized
 
 ##################################################################
 
 2010-02-03
 	RELEASE: version 2.0.0rc1
 
 ##################################################################
 
 2010-01-31
 	Reimplemented numerical helicity selection rules
 	Phase space functionality of version 1 restored and improved
 
 2009-12-05
 	NMSSM validated with FeynRules in WHIZARD 1 (Felix Braam)
 
 2009-12-04
 	RELEASE: version 2.0.0alpha
 
 ##################################################################
 
 2009-04-16
 	RELEASE: version 1.93
 
 2009-04-15
 	Clean-up of Makefiles and configure scripts
 	Reconfiguration of BSM model implementation
 	extended supersymmetric models
 
 2008-12-23
 	New model NMSSM	(Felix Braam)
 	SLHA2 added
 	Bug in LHAPDF interface fixed
 
 2008-08-16
 	Bug fixed in K matrix implementation
 	Gravitino option in the MSSM added
 
 2008-03-20
 	Improved color and flavor sums
 
 ##################################################################
 
 2008-03-12
 	RELEASE: version 1.92
 	LHEF (Les Houches Event File) format added
 	Fortran 2003 command-line interface (if supported by the compiler)
 	Automated interface to colored models
 	More bug fixes and workarounds for compiler compatibility
 
 ##################################################################
 
 2008-03-06
 	RELEASE: version 1.91
 	New model K-matrix (resonances and anom. couplings in WW scattering)
 	EWA spectrum
 	Energy-scan pseudo spectrum
 	Preliminary parton shower module (only from final-state quarks)
 	Cleanup and improvements of configure process
 	Improvements for O'Mega parameter files
 	Quadruple precision works again
 	More plotting options: lines, symbols, errors
 	Documentation with PDF bookmarks enabled
 	Various bug fixes
 
 2007-11-29
 	New model UED
 
 ##################################################################
 
 2007-11-23
 	RELEASE: version 1.90
 	O'Mega now part of the WHIZARD tree
 	Madgraph/CompHEP disabled by default (but still usable)
 	Support for LHAPDF (preliminary)
 	Added new models: SMZprime, SM_km, Template
 	Improved compiler recognition and compatibility
 	Minor bug fixes
 
 ##################################################################
 
 2006-06-15
 	RELEASE: version 1.51
 	Support for anomaly-type Higgs couplings (to gluon and photon/Z)
 	Support for spin 3/2 and spin 2
 	New models: Little Higgs (4 versions), toy models for extra dimensions
           and gravitinos
 	Fixes to the whizard.nw source documentation to run through LaTeX
 	Intel 9.0 bug workaround (deallocation of some arrays)
 
 2006-05-15
 	O'Mega RELEASE: version 0.11
 	merged JRR's O'Mega extensions
 
 ##################################################################
 
 2006-02-07
 	RELEASE: version 1.50
         To avoid confusion: Mention outdated manual example in BUGS file
         O'Mega becomes part of the WHIZARD generator
 
 2006-02-02   [bug fix update]
 	Bug fix: spurious error when writing event files for weighted events
 	Bug fix: 'r' option for omega produced garbage for some particle names
 	Workaround for ifort90 bug (crash when compiling whizard_event)
 	Workaround for ifort90 bug (crash when compiling hepevt_common)
 
 2006-01-27
 	Added process definition files for MSSM 2->2 processes
 	Included beam recoil for EPA (T.Barklow)
 	Updated STDHEP byte counts (for STDHEP 5.04.02)
 	Fixed STDHEP compatibility (avoid linking of incomplete .so libs)
 	Fixed issue with comphep requiring Xlibs on Opteron
 	Fixed issue with ifort 8.x on Opteron (compiling 'signal' interface)
 	Fixed color-flow code: was broken for omega with option 'c' and 'w'
 	Workaround hacks for g95 compatibility
 
 2005-11-07
 	O'Mega RELEASE: version 0.10
 	O'Mega, merged JRR's and WK's color hack for WHiZard
         O'Mega, EXPERIMENTAL: cache fusion tables (required for colors
 	  a la JRR/WK)
         O'Mega, make JRR's MSSM official
 
 ##################################################################
 
 2005-10-25
 	RELEASE: version 1.43
 	Minor fixes in MSSM couplings (Higgs/3rd gen squarks).
 	  This should be final, since the MSSM results agree now completely
           with Madgraph and Sherpa
 	User-defined lower and upper limits for split event file count
 	Allow for counters (events, bytes) exceeding $2^{31}$
 	Revised checksum treatment and implementation (now MD5)
         Bug fix: missing process energy scale in raw event file
 
 ##################################################################
 
 2005-09-30
 	RELEASE: version 1.42
 	Graphical display of integration history ('make history')
 	Allow for switching off signals even if supported (configure option)
 
 2005-09-29
 	Revised phase space generation code, in particular for flavor sums
 	Negative cut and histogram codes use initial beams instead of
 	  initial parton momenta.  This allows for computing, e.g., E_miss
 	Support constant-width and zero-width options for O'Mega
 	Width options now denoted by w:X (X=f,c,z).  f option obsolescent
 	Bug fix: colorized code: flipped indices could screw up result
 	Bug fix: O'Mega with 'c' and 'w:f' option together (still some problem)
 	Bug fix: dvips on systems where dvips defaults to lpr
 	Bug fix: integer overflow if too many events are requested
 
 2005-07-29
 	Allow for 2 -> 1 processes (if structure functions are on)
 
 2005-07-26
 	Fixed and expanded the 'test' matrix element:
 	  Unit matrix element with option 'u' / default: normalized phase space
 
 ##################################################################
 
 2005-07-15
 	RELEASE: version 1.41
 	Bug fix: no result for particle decay processes with width=0
 	Bug fix: line breaks in O'Mega files with color decomposition
 
 2005-06-02
 	New self-tests (make test-QED / test-QCD / test-SM)
 	  check lists of 2->2 processes
 	Bug fix: HELAS calling convention for wwwwxx and jwwwxx (4W-Vertex)
 
 2005-05-25
 	Revised Makefile structure
 	Eliminated obsolete references to ISAJET/SUSY (superseded by SLHA)
 
 2005-05-19
 	Support for color in O'Mega (using color flow decomposition)
 	New model QCD
 	Parameter file changes that correspond to replaced SM module in O'Mega
 	Bug fixes in MSSM (O'Mega) parameter file
 
 2005-05-18
 	New event file formats, useful for LHC applications:
           ATHENA and Les Houches Accord (external fragmentation)
         Naive (i.e., leading 1/N) color factor now implemented both for
           incoming and outgoing partons
 
 2005-01-26
 	include missing HELAS files for bundle
 	pgf90 compatibility issues [note: still internal error in pgf90]
 
 ##################################################################
 
 2004-12-13
 	RELEASE: version 1.40
 	compatibility fix: preprocessor marks in helas code now commented out
 	minor bug fix: format string in madgraph source
 
 2004-12-03
 	support for arbitray beam energies and directions
 	allow for pT kick in structure functions
 	bug fix: rounding error could result in zero cross section
 	  (compiler-dependent)
 
 2004-10-07
 	simulate decay processes
 	list fraction (of total width/cross section) instead of efficiency
           in process summary
 	new cut/analysis parameters AA, AAD, CTA: absolute polar angle
 
 2004-10-04
 	Replaced Madgraph I by Madgraph II.  Main improvement: model no
           longer hardcoded
 	introduced parameter reset_seed_each_process (useful for debugging)
         bug fix: color initialization for some processes was undefined
 
 2004-09-21
 	don't compile unix_args module if it is not required
 
 ##################################################################
 
 2004-09-20
 	RELEASE: version 1.30
 	g95 compatibility issues resolved
 	some (irrelevant) memory leaks closed
 	removed obsolete warning in circe1
 	manual update (essentially) finished
 
 2004-08-03
 	O'Mega RELEASE: version 0.9
 	O'Mega, src/trie.mli, src/trie.ml: make interface compatible with
           the O'Caml 3.08 library (remains compatible with older
           versions).  Implementation of unused functions still
           incomplete.
 
 2004-07-26
 	minor fixes and improvements in make process
 
 2004-06-29
 	workarounds for new Intel compiler bugs ...
 	no rebuild of madgraph/comphep executables after 'make clean'
 	bug fix in phase space routine:
           wrong energy for massive initial particles
         bug fix in (new) model interface: name checks for antiparticles
         pre-run checks for comphep improved
         ww-strong model file extended
         Model files particle name fixes, chep SM vertices included
 
 2004-06-22
 	O'Mega RELEASE: version 0.8
 	O'Mega MSSM: sign of W+/W-/A and W+/W-/Z couplings
 
 2004-05-05
 	Fixed bug in PDFLIB interface: p+pbar was initialized as p+p (ThO)
 	NAG compiler: set number of continuation lines to 200 as default
 	Extended format for cross section summary; appears now in whizard.out
 	Fixed 'bundle' feature
 
 2004-04-28
 	Fixed compatibility with revised O'Mega SM_ac model
 	Fixed problem with x=0 or x=1 when calling PDFLIB (ThO)
 	Fixed bug in comphep module: Vtb was overlooked
 
 ##################################################################
 
 2004-04-15
 	RELEASE: version 1.28
         Fixed bug: Color factor was missing for O'Mega processes with
           four quarks and more
         Manual partially updated
 
 2004-04-08
 	Support for grid files in binary format
 	New default value show_histories=F (reduce output file size)
 	Revised phase space switches: removed annihilation_lines,
 	  removed s_channel_resonance, changed meaning of
 	  extra_off_shell_lines, added show_deleted_channels
 	Bug fixed which lead to omission of some phase space channels
 	Color flow guessed only if requested by guess_color_flow
 
 2004-03-10
 	New model interface: Only one model name specified in whizard.prc
         All model-dependent files reside in conf/models (modellib removed)
 
 2004-03-03
 	Support for input/output in SUSY Les Houches Accord format
 	Split event files if requested
 	Support for overall time limit
 	Support for CIRCE and CIRCE2 generator mode
 	Support for reading beam events from file
 
 2004-02-05
 	Fixed compiler problems with Intel Fortran 7.1 and 8.0
 	Support for catching signals
 
 ##################################################################
 
 2003-08-06
 	RELEASE: version 1.27
 	User-defined PDF libraries as an alternative to the standard PDFLIB
 
 2003-07-23
 	Revised phase space module: improved mappings for massless particles,
 	  equivalences of phase space channels are exploited
 	Improved mapping for PDF (hadron colliders)
 	Madgraph module: increased max number of color flows from 250 to 1000
 
 ##################################################################
 
 2003-06-23
 	RELEASE: version 1.26
 	CIRCE2 support
 	Fixed problem with 'TC' integer kind [Intel compiler complained]
 
 2003-05-28
 	Support for drawing histograms of grids
 	Bug fixes for MSSM definitions
 
 ##################################################################
 
 2003-05-22
 	RELEASE: version 1.25
 	Experimental MSSM support with ISAJET interface
 	Improved capabilities of generating/analyzing weighted events
 	Optional drawing phase space diagrams using FeynMF
 
 ##################################################################
 
 2003-01-31
 	RELEASE: version 1.24
 	A few more fixes and workarounds (Intel and Lahey compiler)
 
 2003-01-15
 	Fixes and workarounds needed for WHIZARD to run with Intel compiler
 	Command-line option interface for the Lahey compiler
 
 	Bug fix: problem with reading whizard.phs
 
 ##################################################################
 
 2002-12-10
 	RELEASE: version 1.23
 
 	Command-line options (on some systems)
 
 	Allow for initial particles in the event record, ordered:
           [beams, initials] - [remnants] - outgoing partons
 
 	Support for PYTHIA 6.2: Les Houches external process interface
 	String pythia_parameters can be up to 1000 characters long
 	Select color flow states in (internal) analysis
 	Bug fix in color flow content of raw event files
 
 	Support for transversal polarization of fermion beams
 	Cut codes: PHI now for absolute azimuthal angle, DPHI for distance
 	'Test' matrix elements optionally respect polarization
 
 	User-defined code can be inserted for spectra, structure functions
           and fragmentation
 
 	Time limits can be specified for adaptation and simulation
 	User-defined file names and file directory
         Initial weights in input file no longer supported
 
         Bug fix in MadGraph (wave function counter could overflow)
 
 	Bug fix: Gamelan (graphical analysis) was not built if noweb absent
 
 ##################################################################
 
 2002-03-16
 	RELEASE: version 1.22
 	Allow for beam remnants in the event record
 
 2002-03-01
         Handling of aliases in whizard.prc fixed (aliases are whole tokens)
 
 2002-02-28
 	Optimized phase space handling routines
 	  (total execution time reduced by 20-60%, depending on process)
 
 ##################################################################
 
 2002-02-26
 	RELEASE: version 1.21
 	Fixed ISR formula (ISR was underestimated in previous versions).
           New version includes ISR in leading-log approximation up to
           third order.  Parameter ISR_sqrts renamed to ISR_scale.
 
 ##################################################################
 
 2002-02-19
 	RELEASE: version 1.20
 	New process-generating method 'test' (dummy matrix element)
 	Compatibility with autoconf 2.50 and current O'Mega version
 
 2002-02-05
 	Prevent integration channels from being dropped (optionally)
 	New internal mapping for structure functions improves performance
 	Old whizard.phx file deleted after recompiling (could cause trouble)
 
 2002-01-24
 	Support for user-defined cuts and matrix element reweighting
 	STDHEP output now written by write_events_format=20 (was 3)
 
 2002-01-16
 	Improved structure function handling; small changes in user interface:
           new parameter structured_beams in &process_input
           parameter fixed_energy in &beam_input removed
 	Support for multiple initial states
 	Eta-phi (cone) cut possible (hadron collider applications)
 	Fixed bug: Whizard library was not always recompiled when necessary
 	Fixed bug: Default cuts were insufficient in some cases
 	Fixed bug: Unusable phase space mappings generated in some cases
 
 2001-12-06
 	Reorganized document source
 
 2001-12-05
 	Preliminary CIRCE2 support (no functionality yet)
 
 2001-11-27
 	Intel compiler support (does not yet work because of compiler bugs)
 	New cut and analysis mode cos-theta* and related
 	Fixed circular jetset_interface dependency warning
 	Some broadcast routines removed (parallel support disabled anyway)
 	Minor shifts in cleanup targets (Makefiles)
         Modified library search, check for pdflib8*
 
 2001-08-06
 	Fixed bug: I/O unit number could be undefined when reading phase space
 	Fixed bug: Unitialized variable could cause segfault when
                    event generation was disabled
 	Fixed bug: Undefined subroutine in CIRCE replacement module
 	Enabled feature: TGCs in O'Mega (not yet CompHEP!) matrix elements
 		   (CompHEP model sm-GF #5, O'Mega model SM_ac)
 	Fixed portability issue: Makefile did rely on PWD environment variable
 	Fixed portability issue: PYTHIA library search ambiguity resolved
 
 2001-08-01
 	Default whizard.prc and whizard.in depend on activated modules
 	Fixed bug: TEX=latex was not properly enabled when making plots
 
 2001-07-20
 	Fixed output settings in PERL script calls
 	Cache enabled in various configure checks
 
 2001-07-13
 	Support for multiple processes in a single WHIZARD run.  The
           integrations are kept separate, but the generated events are mixed
 	The whizard.evx format has changed (incompatible), including now
 	  the color flow information for PYTHIA fragmentation
 	Output files are now process-specific, except for the event file
 	Phase space file whizard.phs (if present) is used only as input,
 	  program-generated phase space is now in whizard.phx
 
 2001-07-10
 	Bug fix: Undefined parameters in parameters_SM_ac.f90 removed
 
 2001-07-04
 	Bug fix: Compiler options for the case OMEGA is disabled
 	Small inconsistencies in whizard.out format fixed
 
 2001-07-01
 	Workaround for missing PDFLIB dummy routines in PYTHIA library
 
 ##################################################################
 
 2001-06-30
 	RELEASE: version 1.13
 	Default path /cern/pro/lib in configure script
 
 2001-06-20
 	New fragmentation option: Interface for PYTHIA with full color flow
           information, beam remnants etc.
 
 2001-06-18
 	Severe bug fixed in madgraph interface: 3-gluon coupling was missing
 	Enabled color flow information in madgraph
 
 2001-06-11
 	VAMP interface module rewritten
 	Revised output format: Multiple VAMP iterations count as one WHIZARD
           iteration in integration passes 1 and 3
 	Improved message and error handling
 	Bug fix in VAMP: handle exceptional cases in rebinning_weights
 
 2001-05-31
 	new parameters for grid adaptation: accuracy_goal and efficiency_goal
 
 ##################################################################
 
 2001-05-29
 	RELEASE: version 1.12
 	bug fixes (compilation problems): deleted/modified unused functions
 
 2001-05-16
 	diagram selection improved and documented
 
 2001-05-06
         allow for disabling packages during configuration
 
 2001-05-03
 	slight changes in whizard.out format; manual extended
 
 ##################################################################
 
 2001-04-20
 	RELEASE: version 1.11
 	fixed some configuration and compilation problems (PDFLIB etc.)
 
 2001-04-18
 	linked PDFLIB: support for quark/gluon structure functions
 
 2001-04-05
 	parameter interface written by PERL script
 	SM_ac model file: fixed error in continuation line
 
 2001-03-13
 	O'Mega, O'Caml 3.01: incompatible changes
 	O'Mega, src/trie.mli: add covariance annotation to T.t
 	  This breaks O'Caml 3.00, but is required for O'Caml 3.01.
 	O'Mega, many instances: replace `sig include Module.T end' by
 	  `Module.T', since the bug is fixed in O'Caml 3.01
 
 2001-02-28
 	O'Mega, src/model.mli:
             new field Model.vertices required for model functors, will
 	    retire Model.fuse2, Model.fuse3, Model.fusen soon.
 
 ##################################################################
 
 2001-03-27
 	RELEASE: version 1.10
 	reorganized the modules as libraries
 	linked PYTHIA: support for parton fragmentation
 
 2000-12-14
 	fixed some configuration problems (if noweb etc. are absent)
 
 ##################################################################
 
 2000-12-01
 	RELEASE of first public version: version 1.00beta