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# Style sheet for the S language -- GNU R (www.r-project.org) is an
# implementation of S, a language for statistical computing and graphics.
#
# A suitable sheets.map entry would be
# GNU R files, as well as S language files
# s: /*.[RSrsq]/ /*.Rin/
#
# Copyright (c) 2000 - 2002 Torsten Hothorn, Kurt Hornik, Dirk Eddelbuettel
#
# This file is part of a2ps.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program 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; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
style "S language" is
written by "Torsten Hothorn <Torsten.Hothorn@rzmail.uni-erlangen.de>, Kurt Hornik <hornik@ci.tuwien.ac.at>, Dirk Eddelbuettel <edd@debian.org>"
version is 0.2
requires a2ps 4.9.5
documentation is
"Should handle code for interpreters of S, a language for statistical"
"computating and graphics, such as R."
""
"R consists of a language plus a run-time environment with graphics, a"
"debugger, access to certain system functions, and the ability to run"
"programs stored in script files."
""
"R has a home page at `http://www.r-project.org/'. It is free software"
"distributed under a GNU-style copyleft, and an official part of the GNU"
"project (`GNU S')."
end documentation
first alphabet is
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ."
second alphabet is
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.0123456789"
case sensitive
sequences are
"#" Comment,
C-string
end sequences
keywords in Keyword_strong are
if, else, break, while, for, function, next, return,
FALSE, TRUE, "in", repeat, switch, NA, NULL, NaN, Inf, stop, warning
end keywords
operators are
<- \leftarrow,
-> \rightarrow,
<<- \Leftarrow,
!= \neq,
== \equiv,
# We need to protect these, so that <= is not replaced in <<=
<<=,
>>=,
<= \leq,
>= \geq
end operators
optional sequences are
< Plain Keyword > Plain
end sequences
end style
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