1ch4z2_text.chem:
2.br
3.cstart
4
5# Example file for 'chem':
6
7# This originates from Computing Science Technical Report No. 122
8#   CHEM - A Program for Typesetting Chemical Diagrams: User Manual
9#   by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
10#   <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.
11
12# Copyright (C) 2006-2018 Free Software Foundation, Inc.
13
14# This file is part of 'chem', which is part of 'groff'.
15
16# 'groff' is free software; you can redistribute it and/or modify it
17# under the terms of the GNU General Public License (GPL) version 2 as
18# published by the Free Software Foundation.
19
20# 'groff' is distributed in the hope that it will be useful, but
21# WITHOUT ANY WARRANTY; without even the implied warranty of
22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23# General Public License for more details.
24
25# You should have received a copy of the GNU General Public License
26# along with this program.  If not, see <http://www.gnu.org/licenses/>.
27
28# The GPL2 license text is available in the internet at
29# <http://www.gnu.org/licenses/gpl-2.0.html>.
30
31########################################################################
32
33    bond 120 dotted
34    bond 120 length .3 ; BP
35    back bond -120 length .25 from BP ; H
36    front bond 120 length .25 from BP ; CH3
37    bond 60 length .5 from BP ; BP
38    bond -60 length .25 from BP ; H
39# note the pic move command to position the text
40    move left .35 ; "(ANTI)"
41    front bond 60 length .25 from BP ; H
42# another positioning of text
43    move right .35 ; "(SYN)"
44    bond 120 length .4 from BP ; BP
45    back bond -120 length .25 from BP ; H
46    front bond 120 length .25 from BP ; CH3
47    bond 60 length .5 from BP
48    bond 60 dotted
49
50########################################################################
51### Emacs settings
52# Local Variables:
53# mode: Nroff
54# End:
55.cend
56