blob: f135ecbd31a7bb5a1a6c1ee88984579b62c88351 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
chAf_arrow.chem:
.br
.EQ
delim $$
.EN
.cstart
# Example file for 'chem':
# This originates from Computing Science Technical Report No. 122
# CHEM - A Program for Typesetting Chemical Diagrams: User Manual
# by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
# <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.
# Copyright (C) 2006-2020 Free Software Foundation, Inc.
# This file is part of 'chem', which is part of 'groff'.
# 'groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) version 2 as
# published by the Free Software Foundation.
# 'groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.
########################################################################
bond length .1 ; BP
bond up length .5
bond right
bond down length .5 from BP
bond right
bond right from BP ; C
double bond up ; O
bond right from C
benzene pointing right
bond right ; C
double bond up from C ; O
bond right from C ; O
bond right ; CH2
# this is the statement to make the arrow
line <- from CH2.s down
move down .1 ; "0.085"
CH2CH2CH2 right of CH2
bond right ; O
bond right length .1 ; BP
bond up length .5 from BP
bond left
bond right length .1 from BP
bond down length .5 from BP ; BP
bond left
"$n$" with .w at BP.se
# Local Variables:
# mode: Nroff
# End:
.cend
.EQ
delim off
.EN
|
