*** aromatic.txt.orig	2014-02-01 15:01:03.000000000 +0000
--- aromatic.txt	2014-02-01 15:09:48.000000000 +0000
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*** 1,6 ****
  ##############################################################################
  #                                                                            #
! #	                Open Babel file: aromatic.txt                            # #                                                                            #
  #                                                                            #
  #  Copyright (c) 1998-2001 by OpenEye Scientific Software, Inc.              #
  #  Some portions Copyright (c) 2001-2005 Geoffrey R. Hutchison               #
--- 1,7 ----
  ##############################################################################
  #                                                                            #
! #                    Open Babel file: aromatic.txt                           #
! #                                                                            #
  #                                                                            #
  #  Copyright (c) 1998-2001 by OpenEye Scientific Software, Inc.              #
  #  Some portions Copyright (c) 2001-2005 Geoffrey R. Hutchison               #
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*** 16,59 ****
  #PATTERN		MIN	MAX
  
  #carbon patterns
! [#6rD2]			1	1
  # exo ketone or alcohol -- don't know which
! [#6rD3]~!@[#8]		0	1
  [#6rD2+,#6rD3+]		1	1
! [#6r]=@*		1	1
! [#6rD3]=!@*		1	1
  # external double bonds to hetero atoms contribute no electrons to the 
  # aromatic systems -- quinoid systems are non-aromatic, e.g. 1,4-benzoquinone
! [#6rD3]=!@[!#6]		0	0
  [#6rD3-]		2	2
  
  #nitrogen patterns
! [#7rD2]			1	2
! [#7rD3]                 1       2
! [#7r](-@*)-@*  		1	2
! [#7rD2]=@*		1	1
  [#7rD3+]		1	1
! [#7rD3]=O		1	1
  [#7rD2-]		2	2
  
  #oxygen patterns
! [#8r]			2	2
  [#8r+]			1	1
  
  #sulfur patterns
! [#16rD2]		2	2
  [#16rD2+]		1	1
! [#16rD3]=!@O		2	2
  
  #other misc patterns
  # Accounts Chem Res 1978 11 p. 153
  # phosphole, phosphabenzene (not v. aromatic)
! [#15rD3]		2	2
  # selenophene
! [#34rD2]		2	2
  # arsabenzene, etc. (*really* not v. aromatic)
! #[#33rD3]		2	2
  # tellurophene, etc. (*really* not v. aromatic)
! #[#52rD2]		2	2
  # stilbabenzene, etc. (very little aromatic character)
! #[#51rD3]		2	2
--- 17,60 ----
  #PATTERN		MIN	MAX
  
  #carbon patterns
! [#6rD2+0]		1	1
  # exo ketone or alcohol -- don't know which
! [#6rD3+0]~!@[#8]	0	1
  [#6rD2+,#6rD3+]		1	1
! [#6r+0]=@*		1	1
! [#6rD3+0]=!@*		1	1
  # external double bonds to hetero atoms contribute no electrons to the 
  # aromatic systems -- quinoid systems are non-aromatic, e.g. 1,4-benzoquinone
! [#6rD3+0]=!@[!#6]	0	0
  [#6rD3-]		2	2
  
  #nitrogen patterns
! [#7rD2+0]		1	2
! [#7rD3+0]               1       2
! [#7r+0](-@*)-@* 	1	2
! [#7rD2+0]=@*		1	1
  [#7rD3+]		1	1
! [#7rD3+0]=O		1	1
  [#7rD2-]		2	2
  
  #oxygen patterns
! [#8r+0]			2	2
  [#8r+]			1	1
  
  #sulfur patterns
! [#16rD2+0]		2	2
  [#16rD2+]		1	1
! [#16rD3+0]=!@O		2	2
  
  #other misc patterns
  # Accounts Chem Res 1978 11 p. 153
  # phosphole, phosphabenzene (not v. aromatic)
! [#15rD3+0]		2	2
  # selenophene
! [#34rD2+0]		2	2
  # arsabenzene, etc. (*really* not v. aromatic)
! #[#33rD3+0]		2	2
  # tellurophene, etc. (*really* not v. aromatic)
! #[#52rD2+0]		2	2
  # stilbabenzene, etc. (very little aromatic character)
! #[#51rD3+0]		2	2