*******************************************************************************
Changelog of mcf2graph software package          by Akira Yamaji 2025-07-27
*******************************************************************************
[ver. 5.25  / 2025-07-27]
 -improve atom,bond adress check
 -update mcf2graph.mp
 -update MCF manual,example

[ver. 5.24  / 2025-06-29]
 -improve mcf check
 -update mcf2graph.mp

[ver. 5.23  / 2025-06-22]
 -change syntax of :,=
  {a'b'..}:c => a'b'..:c
  {a'b'..}=c => a'b'..=c
 -delete command checkm()
 -update mcf2graph.mp
 -update MCF manual,example

[ver. 5.22  / 2025-06-15]
 -change syntax of drawm
  drawm(mcf) => drawm("mcf")
 -update mcf2graph.mp
 -update MCF manual,example

[ver. 5.21  / 2025-06-08]
 -fix bug in mcf input
 -add command allm
 -delete abbreviated form
  '`(readm),\*(checkm),\(drawm),$(getm),\\(putm)
 -delete option parameter sw_comment
 -update mcf_to_graph.cmd
 -update mcf2graph.mp
 -delete template_soc.mp

[ver. 5.20  / 2025-06-01]
 -change syntax of : inside {..}
  {a:b'..}:/g => {a_b'..} or a_b'..:/g
 -update mcf2graph.mp
 -update main_lib.mcf

[ver. 5.19  / 2025-02-16]
 -update mcf_to_graph.cmd
 -update template_soc.mp
 -update mcf_exa_soc.mp
 -update mcf2graph.mp
 -update main_lib.mcf
 -update template_lib.mcf

[ver. 5.18  / 2025-02-02]
 -fix bug in MOL file output
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example

[ver. 5.17  / 2025-01-13]
 -fix bug in group length inside group
 -delete group command **
 -delete option parameter sw_expand
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example

[ver. 5.16  / 2025-01-05]
 -change syntax of methyl group
  /_  => ?
  */_ => ?w
  /*_ => ?z
  //_ => ?d
 -change syntax of just after jump atom
  @n,\   => @n,!
  @n,\\  => @n,!d
  @n,*\  => @n,!w
  @n,\*  => @n,!z
  @n,*\* => @n,!~wv
 -change syntax of scaled fused ring
  ?n[m] => #m'?n
 -change option parameter name
  sw_abbreviate => sw_omit
 -change ratio parameter
  ratio_char_bond => ratio_char_atom
 -delete command \,\\,*\,\*,*\*,_
 -delete option for sw_numbering
  numbering_start,numbering_end
 -delete Calc option for sw_output
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example,template

[ver. 5.15  / 2024-12-01]
 -change syntax of separator inside @(..)
  @(a,b) => @(a'b)
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example

[ver. 5.14  / 2024-11-17]
 -change syntax of inverter inside {..}
  {n1,n2',n3..} => {n1,*n2,n3..}
 -change syntax of separator inside {..}
  {n1,*n2,n3..} => {n1'*n2'n3..}
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example,template

[ver. 5.13  / 2024-11-10]
 -add binary operator '
  a ' b : {a,b} or ''(a,b)
 -delete binary operator +
 -change command name
  '()  => ''()
  ''() => '`()
 -change syntax of group angle
  >'(..) => >{..}
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example

[ver. 5.12  / 2024-02-25]
 -add command `(),``()
  define group "string"
  `("{string}")
  ``("{string}")(atom list)
 -update mcf2graph.mp
 -update main_lib.mcf
 -update MCF manual,example

[ver. 5.11  / 2024-01-21]
 -change command name
  !!  => !db,!d
  !!! => !tm,!t
 -change group name
  CCl2=> ?Cl!Cl
  CCl3=> ?Cl?Cl!Cl
  CF2 => ?F!F
  CF3 => ?F?F!F
 -add abbreviated form command
  !wf,!w : !~wf
  !zf,!z : !~zf
  !db,!d : !~db
  !wb : !~wb
  !zb : !~zb
  !dl : !~dl
  !dr : !~dr
  !dm : !~dm
 -update main_lib.mcf,template_lib.mcf
 -update MCF manual,example

[ver. 5.10  / 2024-01-03]
 -add binary operator +
  a + b : '(a,b)
 -change group name
  CO => ?O,  COO => ?O!O
  SO => S?O, SOO => S?O?O
  N! => N?,  N!2 => N?2
 -change command name of add(),ext()
  ** => #
 -fix bug in expand mode
 -update MCF manual,example

[ver. 5.02  / 2023-05-28]
 -change command name
  cv() => drawm()
 -add abbreviated form command
  '',$,@,#,#@,##,|=,|<,_,\,\*,\\
 -delete command cvat()
 -update MCF manual,example

[ver. 5.01  / 2023-05-15]
 -change command name
  cv_at() => cvat()
 -update MCF manual,example

[ver. 5.00  / 2023-05-07]
 -change syntax of beginfigm()
  beginfigm() => beginfigm
 -change command name
  MC() => cv()
  mc_check() => checkm()
 -change library name
  mcf_library.mcf => main_lib.mcf
 -add command loadm(),readm(),getm(),putm
 -delete command mc_query()
 -delete aux-file output
 -add MCF template file template_lib.mcf
 -add batch file mcf_to_graph.cmd
  >mcf_to_graph template_lib.mcf
   drag and drop library files on this batch
   create svg(default) files in ./template_lib
 -update mcf2graph.mp
 -update mcf_exa_soc.mp
 -update MCF manual,example

[ver. 4.92  / 2023-01-29]
 -change default output
  eps => svg
 -update MCFexample
  include mcf_exa_code.tex
 -delete mcf_exa_code.tex
 -delete mcf_exa_code.pdf

[ver. 4.91  / 2023-01-09]
 -update MCF manual
  from this version typeset with LuaTeX
  include mcf_man_soc.mp,mcf_mplib_exa.tex
 -delete mcf_man_soc.mp
 -delete mcf_mplib_exa.tex
 -delete mcf_mplib_exa.pdf

[ver. 4.90  / 2022-11-12]
 -change syntax of fused ring
  {a--b}=?n  => a--b=?n (n:4,5,6)
  {a---b}=?n => a---b=?n (n:5,6)
  {a----b}=?6 => a----b=?6
 -update MCF manual
 -update mcf_library.mcf

[ver. 4.89  / 2022-11-06]
 -change syntax of fused ring
  (a,b)=?n         => {a--b}=?n
  {(a,b), ..}=?n   => {a--b, ..}=?n
  {(a',b), ..}=?n  => {a---b, ..}=?n
  {(a',b'), ..}=?n => {a----b, ..}=?n
 -fix bug in MOL(V3000) file output
 -update MCF manual,example
 -update mcf_library.mcf

[ver. 4.88  / 2022-10-10]
 -change format of mcf_library.mcf
 -update MCF manual,example
 -update mcf_library.mcf

[ver. 4.87  / 2022-08-22]
 -change format of mcf_library.mcf
 -change output file name
 -update MCF manual,example

[ver. 4.86  / 2022-07-18]
 -fix bug in function mc_query()
 -update mcf_library.mcf

[ver. 4.85  / 2022-06-12]
 -fix bug in function mc_query()
 -update mcf_library.mcf
 -update MCF manual

[ver. 4.84  / 2022-05-08]
 -fix bug in atom drawing
 -improve report output
 -update mcf_library.mcf

[ver. 4.83  / 2022-03-27]
 -fix bug in bond check
 -change fuction name
  check() => mc_check()
  query() => mc_query()
 -improve report output
 -update mcf_library.mcf
 -update MCF manual

[ver. 4.82  / 2022-03-13]
 -add new example file
  mcf_exa_code.tex (example include code)
  mcf_exa_code.pdf
 -change file name
  mf_data_base.mcf => mcf_library.mcf
 -update mcf2graph.mp
 -update mcf_library.mcf
 -update MCF example

[ver. 4.81  / 2022-02-27]
 -update mcf2graph.mp
 -update MCF manual

[ver. 4.80  / 2022-02-20]
 -update mcf2graph.mp
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.79  / 2022-01-22]
 -fix bug in numbering atom,bond

[ver. 4.78  / 2022-01-17]
 -from this version use MetaPost only
 -change file name
  mcf2graph.mf => mcf2graph.mp
  mcf_exa_soc.mf => mcf_exa_soc.mp
  mcf_man_soc.mf => mcf_exa_soc.mp
 -change function name
  beginfont => beginfigm
  endfont => endfigm
 -delete style file mcf_setup.sty
 -update mcf_example.tex
  typeset with LuaLaTeX
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.77  / 2022-01-02]
 -change syntax of add group
  {a'}:*/_ : {a}:/*_
  {a'}:/*_ : {a}:*/_
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.76  / 2022-12-20]
 -change syntax of bond type
  {a<}=dl => {a'}=dr
  {a<}=dr => {a'}=dl
 -change syntax of fused ring
  {(a<,b)}=?6  => (a',b)=?6
  {(a<,b)}=?5  => (a',b)=?5
  {(a<,b<)}=?6 => (a',b')=?6
 -change syntax of serial number'
   {a--b} => {a:b}
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.75  / 2022-12-12]
 -change syntax of bond type
  {a<}=dl : {a}=dr
  {a<}=dr : {a}=dl
 -change syntax of fused ring
  {(a<,b)}=?6  : (a,b)=?6[3]
  {(a<,b)}=?5  : (a,b)=?5[2]
  {(a<,b<)}=?6 : (a,b)=?6[2]
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.74  / 2021-11-23]
 -change syntax of fused ring
  (a,b)=?6[4] => (a,b)=?6
  (a,b)=?5[3] => (a,b)=?5
  (a,b)=?4[2] => (a,b)=?4
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.73  / 2021-10-10]
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.72  / 2021-09-20]
 -change syntax of beginfont()
   keep file open 'f+' => 'v+'
   enable to use default input file name
 -change syntax of query()
   input file name 'i:' => 'f:'
 -fix bug in beginfont(),endfont
 -fix bug in query()
 -fix bug in expand mode
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.71  / 2021-09-05]
 -add function query() for data base file
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.70  / 2021-08-01]
 -change syntax of @(x,y)
   @(x,y)  : Move (x,y) from current position
   @$(x,y) : Move (x,y) from origin(@1)
 -add bond type for glycan
   arc_lb  : arc left > bottom
   arc_br  : arc bottom > right
   arc_lbr : arc left > bottom > right
   arc_ltr : arc left > top > right
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.69  / 2021-07-18]
 -add bond type wf_r,wb_r,bd_r for steric ring
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.68  / 2021-06-28]
 -fix bug in data base file handling
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.67  / 2021-06-13]
 -fix bug in bond color
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.66  / 2021-06-06]
 -add binary operator in {...}
   { a -- b , ...} : { a,a+1,...,b , ...} (a<b)
 -change option parameters
    sw_numberA=1 => sw_numbering=Atom
    sw_numberA=2 => sw_numbering=Atom+Brock
    sw_numberA=3 => sw_numbering=Atom+Inverse
    sw_numberB=1 => sw_numbering=Bond
    sw_numberB=2 => sw_numbering=Bond+Brock
    sw_numberB=3 => sw_numbering=Bond+Inverse
    sw_fframe=1 => sw_frame=Outside
    sw_fframe=2 => sw_frame=Inside
    sw_fframe=3 => sw_frame=Outside+Inside=Bothside
    sw_aframe=1 => sw_frame=sw_frame+Atom
    sw_mframe=1 => sw_frame=sw_frame+Mol
    numberA_start,numberB_start => numbering_start
    numberA_end,numberB_end => numbering_end
    Info1 => Info
    Info2 => Info+Table
    Info_t => Info+Temp
    Mcode_t => Mcode+Temp
    Report_t => Report+Temp
    None_Info_t => Font+Info+Temp
    None_Mcode_t => Font+Mcode+Temp
    None_Report_t => Font+Report+Temp
    None_Info_Mcode_t => Font+Info+Mcode+Temp
 -delete option parameters
    sw_numberA,sw_numberB,numberA_start,numberA_end,
    numberB_start,numberB_end,
    sw_fframe,sw_aframe,sw_mframe
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.65  / 2021-05-23]
 -add parameter for sw_output
   None_Info_t  :  output font,'temp-info.aux'
   None_Mcode_t :  output font,'temp-mc.aux'
   None_Report_t : output font,'temp-report.aux'
   None_Info_Mcode_t :
     output font,'temp-info.aux','temp-mc.aux'
 -update mcf_data_base.mcf
 -update MCF manual,example

[ver. 4.64  / 2021-05-05]
 -add parameter for sw_output
   Mcode   : output MCF aux files
   Mcode_t : output 'temp-mc.aux'
   Info_t  : output 'temp-info.aux'
 -update MCF manual,example

[ver. 4.63  / 2021-04-18]
 -add option parameter sw_output
    sw_calc   =1 => sw_output=None
    sw_aux_out=1 => sw_output=Info1
    sw_aux_out=2 => sw_output=Info2
    sw_rep_out=1 => sw_output=Report
    sw_mol_out=1 => sw_output=MOL2k
    sw_mol_out=2 => sw_output=MOL3k
 -delete option parameters
    sw_calc,sw_aux_out,sw_rep_out,sw_mol_out,
    sw_file_open
 -change molecular data base format
    end MCF : "-" => "+"
 -update MCF manual,example

[ver. 4.62  / 2021-04-04]
 -add molecular data base file
    'mcf_data_base.mcf'
 -improve function beginfont()
    able to use molecular data base file
 -add option parameter sw_file_open
 -improve function check()
 -update MCF manual,example

[ver. 4.61  / 2021-03-21]
 -change syntax
    @.$n => @$n
    &.$n => &$n
 -change function name
    check_mc() => check()
 -improve function check()
 -update MCF manual,example

[ver. 4.60  / 2021-03-07]
 -$n (0<=n<360) can use as absolute angle
 -change option parameter name
    ratio_zebragap_bond => ratio_hashgap_bond
    offset_zebra_gap => offset_hash_gap
 -improve function check_mc()
 -update MCF manual,example
    pk font => eps(mps) file

[ver. 4.59  / 2021-02-28]
 -add command @(x,y) : move to (x,y)
 -improve function check_mc()
 -improve report output
 -delete option parameter sw_indent_off
 -update MCF manual,example

[ver. 4.58  / 2021-02-21]
 -change syntax
    "+" => p_
    "-" => n_
 -add function check_mc()
 -update MCF manual,example

[ver. 4.57  / 2021-02-11]
 -change syntax
    n:@ => @n
    n:# => &n
    &"+" => "+"
    &"-" => "-"
    |=n  => #n
    =|   => ##
 -delete command ``
 -delete command a@#b
 -delete command A[1],A[-1]
 -delete bond type d,w,z
 -fix bug in MOL file output
 -update MCF manual,example

[ver. 4.56  / 2021-01-31]
 -fix bug in molecular weight calculation
 -fix bug in report output
 -fix bug in MOL file output
 -improve parts definition
 -improve global ext() setting
 -update MCF manual,example

[ver. 4.55  / 2021-01-03]
 -fix bug in molecular weight calculation
 -fix bug in charged atom calculation
 -add commands
    ?!   : /_,!
    ??   : /_^35,/_-35
    /?!  : isopropyl
    /??! : tert-butyl
 -change syntax
    /N!_ => /N?! : dimethylamino
 -update MCF manual,example

[ver. 4.54  / 2020-12-12]
 -fix bug in report output
 -update MCF manual,example

[ver. 4.53  / 2020-11-03]
 -improve inline definition
 -update MCF manual(add index),example

[ver. 4.52  / 2020-08-30]
 -improve aux file output,input
 -update MCF manual,example

[ver. 4.51  / 2020-08-10]
 -improve aux file output,input
 -add style file mcf_setup.sty
 -update MCF manual,example

[ver. 4.50  / 2020-07-26]
 -fix bug in function add()
 -delete file mcf_man_soc-064.mps
 -update MCF manual,example

[ver. 4.49  / 2020-07-09]
 -improve command !,!n
 -delete command !0
 -improve function ext()
 -add command
    ext_clear: reset global ext()
 -fix bug in environment setting
 -update MCF manual,example

[ver. 4.48  / 2020-01-26]
 -add command  a@#b : a:@,b:#
 -update MCF manual

[ver. 4.47  / 2019-12-15]
 -fix bug in fused ring
 -change option parameter name
    sw_subst_off => sw_group_off
 -update MCF manual

[ver. 4.46  / 2019-12-08]
 -miner update mcf2graph.mf
 -update MCF manual

[ver. 4.45  / 2019-10-05]
 -improve function ext()
 -delete option parameter sw_auxfix
    sw_auxfix=1 => sw_aux_out=2
 -update MCF manual,example

[ver. 4.44  / 2019-07-07]
 -improve to ignore unknown command

[ver. 4.43  / 2019-06-23]
 -add binary operator for add()
    a << b : a rotated b
 -improve embedded font
 -update MCF manual

[ver. 4.42  / 2019-05-26]
 -add function for add()
    plus     : circled plus
    minus    : circled minus
    lonepair : lonepair
 -add binary operator for add()
    a ** b : a scaled b
    a /* b : point of b scaled a
 -add variable for add()
    A[n]up    : dir An
    A[n]left  : dir An+90
    A[n]right : dir An-90
    A[n]down  : dir An+180
    B[n]up    : dir Bn
    B[n]left  : dir Bn+90
    B[n]right : dir Bn-90
    B[n]down  : dir Bn+180
 -change variable for add()
    A[n]dir => A[n]ang
    A[n]ang : angle of An
    B[n] => Bm[n]
    B[n] : bond position => path
 -improve label emulation
 -update MCF manual

[ver. 4.41  / 2019-05-11]
 -change syntax
    |<=,=>|  =>  |=,=|
    ext() => add()
    EXT() => ext()
 -update MCF manual

[ver. 4.40  / 2019-03-21]
 -add function MC()
 -change function name MCa() => MCat()
 -delete function MCc(),MCd(),MCf()
 -add angle parameter mangle
 -add size parameter
    thickness_mframe
 -change size parameter name
    bond_len => blength
    max_bond_length => max_blength
    font_wd,font_ht => fsize(w,h)
    margin_left_right,margin_top_bottom
      => fmargin(w,h)
    thickness_font_frame => thickness_fframe
    thickness_atom_frame => thickness_aframe
 -delete ratio parameter ratio_bond_width
 -delete option parameter sw_solid
 -change option parameter name
    sw_clip        => sw_trimming
    sw_bond_single => sw_single
    sw_fomt_frame  => sw_fframe
    sw_mol_frame   => sw_mframe
    sw_atom_frame  => sw_aframe
 -update MCF manual

[ver. 4.36  / 2019-02-11]
 -fix bug in draw atom,draw bond
 -delete size parameter atomfontsize
 -update MCF manual

[ver. 4.35  / 2019-01-03]
 -fix bug in numbering bond
 -update MCF manual

[ver. 4.34  / 2018-11-11]
 -change default driver(graphicx,hyperref)
  dvipdfmx => pdftex
 -change file name
  mcf_man_soc-064.eps  => mcf_man_soc-064.mps
 -change command-line parameter settings
 -change option parameter name
    sw_report => sw_rep_out
 -update MCF manual

[ver. 4.33  / 2018-06-18]
 -change syntax n:&
    n:& => n:#
 -add command &"c"
 -update MCF manual and examples

[ver. 4.32  / 2018-06-03]
 -add commands C[],N[],O[],S[]
    X[1]  : "{X^+^}"
    X[-1] : "{X^-^}"
 -change option parameter name
    sw_MOLout => sw_mol_out
    sw_auxout => sw_aux_out
 -improve MOL file output
    sw_mol_out=0 : no MOL file
    sw_mol_out=1 : MOL file V2000
    sw_mol_out=2 : MOL file V3000
 -update MCF manual and examples

[ver. 4.31  / 2018-04-16]
 -add command */*n , n:*\* , |<=n
    */*n  : /n~wv
    n:*\* : n:\~wv
    |<=n  : |<,``n
 -update MCF manual and examples

[ver. 4.30  / 2018-01-03]
 -change syntax &n
    &n => n:&
 -improve address error detection
 -improve expand mode
 -update MCF manual and examples

[ver. 4.29  / 2017-10-29]
 -miner update mcf2graph.mf

[ver. 4.28  / 2017-09-15]
 -change syntax #n
   #n => $n
 -update MCF syntax manual

[ver. 4.27  / 2017-09-03]
 -improve function ext(),EXT()
 -update MCF syntax manual

[ver. 4.26  / 2017-08-13]
 -improve label emulation
 -update MCF syntax manual

[ver. 4.25  / 2017-07-23]
 -improve label,arrow emulation
 -change variable name
   Bs[]   => B[]s
   Be[]   => B[]e
   B[]ang => B[]dir
   A[]bra => B[]dir
 -update MCF syntax manual

[ver. 4.24  / 2017-07-17]
 -atom font can be changed
 -update MCF syntax manual

[ver. 4.23  / 2017-06-04]
 -change syntax n*,n\
    n* => n:@
    n\ => n:\
 -update MCF syntax manual

[ver. 4.22  / 2017-05-27]
 -change syntax @(),$()
    @(a,b,...)c => {a,b,...}:c
    $(a,b,...)c => {a,b,...}=c
 -improve function ext()
    add variable Bs[],Be[]
 -update MCF syntax manual

[ver. 4.21  / 2017-05-03]
 -change brock making commands
    '{','}' => '|<','>|'
 -improve report output
 -update MCF syntax manual

[ver. 4.20  / 2017-03-26]
 -change length expression
    length# => length
 -add emulation commands
    dotlabel,drawarrow,drawdblarrow
 -add function MCa(),MCc()
 -delete function draw_vector()
 -update MCF syntax manual

[ver. 4.11  / 2017-03-06]
 -improve function EXT(),ext()
 -update MCF syntax manual

[ver. 4.10  / 2017-02-13]
 -improve function EXT(),ext()
 -update MCF syntax manual

[ver. 4.09  / 2017-01-29]
 -add new function puts()
    put string in EXT(),ext()
 -add new function use_font()
    make font for puts()
 -change option parameter name
    sw_checklist => sw_report
 -update MCF syntax manual

[ver. 4.08  / 2017-01-15]
 -add monoisotopic mass calculation
 -update MCF syntax manual

[ver. 4.07  / 2017-01-09]
 -add new command '!!'  : '!~db'
 -add new command '!!!' : '!~tm'
 -add new substituent '/_' : '/Me'
 -improve molecular weight calculation
 -update MCF syntax manual

[ver. 4.06  / 2017-01-03]
 -miner update
 -corrected molecular examples
 -update MCF syntax manual

[ver. 4.05  / 2016-11-15]
 -improve molecular checklist
 -update MCF syntax manual

[ver. 4.04  / 2016-11-05]
 -improve clipping mode
 -update MCF syntax manual

[ver. 4.03  / 2016-11-03]
 -miner update
 -update MCF syntax manual

[ver. 4.02  / 2016-10-30]
 -add function EXT(),ext()
 -delete option parameter sw_start_vector
 -update MCF syntax manual

[ver. 4.01  / 2016-10-23]
 -many fixes for robustness
 -update MCF syntax manual

[ver. 4.00  / 2016-10-19]
 -change solid mode parameter
  1:solid ratio,2:solid length
 -update MCF syntax manual

[ver. 3.99  / 2016-10-14]
 -miner update
 -update MCF syntax manual
  fixed page number of contents

[ver. 3.98  / 2016-10-10]
 -add option parameter sw_clip (clipping font)
 -add max_bond_length , delete max_bond_width
 -update MCF syntax manual

[ver. 3.97  / 2016-08-21]
 -change bond type name 'ov' to 'si_'
 -add bond type 'wf_','wb_','bd_'
 -update MCF syntax manual

[ver. 3.96  / 2016-08-06]
 -large scaled rings can fuse
  5,6,7,8 membered ring scaled 11/10,12/10,13/10,14/10,15/10
 -update MCF syntax manual

[ver. 3.95  / 2016-07-10]
 -improve bond type 'ov'
 -update MCF syntax manual and example

[ver. 3.94  / 2016-06-19]
 -set maximum ratio atom size / bond length to 0.8
  for avoid error when font size is very small

[ver. 3.93  / 2016-06-11]
 -improve font frame
 -update MCF syntax manual

[ver. 3.92  / 2016-05-05]
 -miner update
 -update MCF syntax manual

[ver. 3.91  / 2016-05-01]
 -add information tag and var for fixed aux file
 -update MCF syntax manual

[ver. 3.90  / 2016-04-28]
 -add parameter 'sw_auxfix'
  fixed aux information format is added
  It is easy to use with spreadsheet software

[ver. 3.89  / 2016-04-10]
 -add new bond type bz (broad dotted)

[ver. 3.88  / 2016-04-06]
 -rename variable 'aux_separater' => 'aux_delimiter'

[ver. 3.87  / 2016-04-04]
 -change aux information delimiter(, => ;)
  a lot of molecular name include ','

[ver. 3.86  / 2016-04-02]
 -change aux output format(command => csv)
 -update MCF syntax manual

[ver. 3.85  / 2016-03-24]
 -change aux output control
 -update MCF syntax manual

[ver. 3.84  / 2016-03-19]
 -improve efficiency of command @,:
 -update MCF syntax manual

[ver. 3.83  / 2016-03-05]
 -change option parameter name
    sw_logout  => sw_auxout
    sw_MOLfile => sw_MOLout
 -update MCF syntax manual

[ver. 3.82  / 2016-02-14]
 -add new commands  ~~,^^,'`,:>
 -update MCF syntax manual

[ver. 3.81  / 2016-02-11]
 -add parameter sw_subst_off,sw_bond_single
 -delete constant _skeltonA_end
 -update MCF syntax manual

[ver. 3.80  / 2016-02-06]
 add new command || , divide CHANGELOG from README
 change e-mail address

[ver. 3.78  / 2016-01-16]
 update MCF syntax manual and MCF luamplib example

[ver. 3.76  / 2015-11-28]
 update MCF syntax manual and MCF example

[ver. 3.75  / 2015-10-17]
 fix bug in command **

[ver. 3.74  / 2015-10-03]
 improve bond infomation of checklist

[ver. 3.72  / 2015-09-22]
 change command ^^ to <  and delete ^^

[ver. 3.71  / 2015-09-18]
 delete command !!,??

[ver. 3.70  / 2015-09-16]
 add new command | ,change syntax of !,!!,?,??

[ver. 3.63  / 2015-09-14]
 add command option of numbering address,update MCF syntax manual

[ver. 3.62  / 2015-09-07]
 improve numbering bond, numbering atom, update MCF syntax manual

[ver. 3.61  / 2015-09-01]
 fix bug in local setting of font_wd# and font_ht#

[ver. 3.59  / 2015-08-23]
 update MCF syntax manual

[ver. 3.58  / 2015-08-18]
 improve calculation of molecular formula and weight

[ver. 3.57  / 2015-08-14]
 improve AUX file format

[ver. 3.55  / 2015-08-04]
 support luamplib(v2.11), renew mcf_mplib_exa.tex

[ver. 3.54  / 2015-08-03]
 maximum item number of MOLinfo can be changed

[ver. 3.53  / 2015-07-29]
 support luamplib(LuaLaTeX)

[ver. 3.52  / 2015-07-20]
 '!!4`2' can use as '{,``2,!4,}'

[ver. 3.51  / 2015-07-19]
 '?6`2' can use as '{,``2,?6,}'

[ver. 3.50  / 2015-07-11]
 first version uploaded to ctan.
******************************************************************************

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