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Diffstat (limited to 'contrib/chem/examples/122/chAf_arrow.chem')
-rw-r--r-- | contrib/chem/examples/122/chAf_arrow.chem | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/chem/examples/122/chAf_arrow.chem b/contrib/chem/examples/122/chAf_arrow.chem new file mode 100644 index 0000000..f135ecb --- /dev/null +++ b/contrib/chem/examples/122/chAf_arrow.chem @@ -0,0 +1,68 @@ +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 |