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acl_natbib.bst
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acl_natbib.bst
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%%% Modification of BibTeX style file acl_natbib_nourl.bst
%%% ... by urlbst, version 0.7 (marked with "% urlbst")
%%% See <http://purl.org/nxg/dist/urlbst>
%%% Added webpage entry type, and url and lastchecked fields.
%%% Added eprint support.
%%% Added DOI support.
%%% Added PUBMED support.
%%% Added hyperref support.
%%% Original headers follow...
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% BibTeX style file acl_natbib_nourl.bst
%
% intended as input to urlbst script
% $ ./urlbst --hyperref --inlinelinks acl_natbib_nourl.bst > acl_natbib.bst
%
% adapted from compling.bst
% in order to mimic the style files for ACL conferences prior to 2017
% by making the following three changes:
% - for @incollection, page numbers now follow volume title.
% - for @inproceedings, address now follows conference name.
% (address is intended as location of conference,
% not address of publisher.)
% - for papers with three authors, use et al. in citation
% Dan Gildea 2017/06/08
%
% - fixed a bug with format.chapter - error given if chapter is empty
% with inbook.
% Shay Cohen 2018/02/16
%
% - sort "van Noord" under "v" not "N"
% this is what previous ACL style files did and is pretty standard
% Dan Gildea 2019/04/12
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% BibTeX style file compling.bst
%
% Intended for the journal Computational Linguistics (ACL/MIT Press)
% Created by Ron Artstein on 2005/08/22
% For use with <natbib.sty> for author-year citations.
%
% I created this file in order to allow submissions to the journal
% Computational Linguistics using the <natbib> package for author-year
% citations, which offers a lot more flexibility than <fullname>, CL's
% official citation package. This file adheres strictly to the official
% style guide available from the MIT Press:
%
% http://mitpress.mit.edu/journals/coli/compling_style.pdf
%
% This includes all the various quirks of the style guide, for example:
% - a chapter from a monograph (@inbook) has no page numbers.
% - an article from an edited volume (@incollection) has page numbers
% after the publisher and address.
% - an article from a proceedings volume (@inproceedings) has page
% numbers before the publisher and address.
%
% Where the style guide was inconsistent or not specific enough I
% looked at actual published articles and exercised my own judgment.
% I noticed two inconsistencies in the style guide:
%
% - The style guide gives one example of an article from an edited
% volume with the editor's name spelled out in full, and another
% with the editors' names abbreviated. I chose to accept the first
% one as correct, since the style guide generally shuns abbreviations,
% and editors' names are also spelled out in some recently published
% articles.
%
% - The style guide gives one example of a reference where the word
% "and" between two authors is preceded by a comma. This is most
% likely a typo, since in all other cases with just two authors or
% editors there is no comma before the word "and".
%
% One case where the style guide is not being specific is the placement
% of the edition number, for which no example is given. I chose to put
% it immediately after the title, which I (subjectively) find natural,
% and is also the place of the edition in a few recently published
% articles.
%
% This file correctly reproduces all of the examples in the official
% style guide, except for the two inconsistencies noted above. I even
% managed to get it to correctly format the proceedings example which
% has an organization, a publisher, and two addresses (the conference
% location and the publisher's address), though I cheated a bit by
% putting the conference location and month as part of the title field;
% I feel that in this case the conference location and month can be
% considered as part of the title, and that adding a location field
% is not justified. Note also that a location field is not standard,
% so entries made with this field would not port nicely to other styles.
% However, if authors feel that there's a need for a location field
% then tell me and I'll see what I can do.
%
% The file also produces to my satisfaction all the bibliographical
% entries in my recent (joint) submission to CL (this was the original
% motivation for creating the file). I also tested it by running it
% on a larger set of entries and eyeballing the results. There may of
% course still be errors, especially with combinations of fields that
% are not that common, or with cross-references (which I seldom use).
% If you find such errors please write to me.
%
% I hope people find this file useful. Please email me with comments
% and suggestions.
%
% Ron Artstein
% artstein [at] essex.ac.uk
% August 22, 2005.
%
% Some technical notes.
%
% This file is based on a file generated with the package <custom-bib>
% by Patrick W. Daly (see selected options below), which was then
% manually customized to conform with certain CL requirements which
% cannot be met by <custom-bib>. Departures from the generated file
% include:
%
% Function inbook: moved publisher and address to the end; moved
% edition after title; replaced function format.chapter.pages by
% new function format.chapter to output chapter without pages.
%
% Function inproceedings: moved publisher and address to the end;
% replaced function format.in.ed.booktitle by new function
% format.in.booktitle to output the proceedings title without
% the editor.
%
% Functions book, incollection, manual: moved edition after title.
%
% Function mastersthesis: formatted title as for articles (unlike
% phdthesis which is formatted as book) and added month.
%
% Function proceedings: added new.sentence between organization and
% publisher when both are present.
%
% Function format.lab.names: modified so that it gives all the
% authors' surnames for in-text citations for one, two and three
% authors and only uses "et. al" for works with four authors or more
% (thanks to Ken Shan for convincing me to go through the trouble of
% modifying this function rather than using unreliable hacks).
%
% Changes:
%
% 2006-10-27: Changed function reverse.pass so that the extra label is
% enclosed in parentheses when the year field ends in an uppercase or
% lowercase letter (change modeled after Uli Sauerland's modification
% of nals.bst). RA.
%
%
% The preamble of the generated file begins below:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% This is file `compling.bst',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% merlin.mbs (with options: `ay,nat,vonx,nm-revv1,jnrlst,keyxyr,blkyear,dt-beg,yr-per,note-yr,num-xser,pre-pub,xedn,nfss')
%% ----------------------------------------
%% *** Intended for the journal Computational Linguistics ***
%%
%% Copyright 1994-2002 Patrick W Daly
% ===============================================================
% IMPORTANT NOTICE:
% This bibliographic style (bst) file has been generated from one or
% more master bibliographic style (mbs) files, listed above.
%
% This generated file can be redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt; either
% version 1 of the License, or any later version.
% ===============================================================
% Name and version information of the main mbs file:
% \ProvidesFile{merlin.mbs}[2002/10/21 4.05 (PWD, AO, DPC)]
% For use with BibTeX version 0.99a or later
%-------------------------------------------------------------------
% This bibliography style file is intended for texts in ENGLISH
% This is an author-year citation style bibliography. As such, it is
% non-standard LaTeX, and requires a special package file to function properly.
% Such a package is natbib.sty by Patrick W. Daly
% The form of the \bibitem entries is
% \bibitem[Jones et al.(1990)]{key}...
% \bibitem[Jones et al.(1990)Jones, Baker, and Smith]{key}...
% The essential feature is that the label (the part in brackets) consists
% of the author names, as they should appear in the citation, with the year
% in parentheses following. There must be no space before the opening
% parenthesis!
% With natbib v5.3, a full list of authors may also follow the year.
% In natbib.sty, it is possible to define the type of enclosures that is
% really wanted (brackets or parentheses), but in either case, there must
% be parentheses in the label.
% The \cite command functions as follows:
% \citet{key} ==>> Jones et al. (1990)
% \citet*{key} ==>> Jones, Baker, and Smith (1990)
% \citep{key} ==>> (Jones et al., 1990)
% \citep*{key} ==>> (Jones, Baker, and Smith, 1990)
% \citep[chap. 2]{key} ==>> (Jones et al., 1990, chap. 2)
% \citep[e.g.][]{key} ==>> (e.g. Jones et al., 1990)
% \citep[e.g.][p. 32]{key} ==>> (e.g. Jones et al., p. 32)
% \citeauthor{key} ==>> Jones et al.
% \citeauthor*{key} ==>> Jones, Baker, and Smith
% \citeyear{key} ==>> 1990
%---------------------------------------------------------------------
ENTRY
{ address
author
booktitle
chapter
edition
editor
howpublished
institution
journal
key
month
note
number
organization
pages
publisher
school
series
title
type
volume
year
eprint % urlbst
doi % urlbst
pubmed % urlbst
url % urlbst
lastchecked % urlbst
}
{}
{ label extra.label sort.label short.list }
INTEGERS { output.state before.all mid.sentence after.sentence after.block }
% urlbst...
% urlbst constants and state variables
STRINGS { urlintro
eprinturl eprintprefix doiprefix doiurl pubmedprefix pubmedurl
citedstring onlinestring linktextstring
openinlinelink closeinlinelink }
INTEGERS { hrefform inlinelinks makeinlinelink
addeprints adddoiresolver addpubmedresolver }
FUNCTION {init.urlbst.variables}
{
% The following constants may be adjusted by hand, if desired
% The first set allow you to enable or disable certain functionality.
#1 'addeprints := % 0=no eprints; 1=include eprints
#1 'adddoiresolver := % 0=no DOI resolver; 1=include it
#1 'addpubmedresolver := % 0=no PUBMED resolver; 1=include it
#2 'hrefform := % 0=no crossrefs; 1=hypertex xrefs; 2=hyperref refs
#1 'inlinelinks := % 0=URLs explicit; 1=URLs attached to titles
% String constants, which you _might_ want to tweak.
"URL: " 'urlintro := % prefix before URL; typically "Available from:" or "URL":
"online" 'onlinestring := % indication that resource is online; typically "online"
"cited " 'citedstring := % indicator of citation date; typically "cited "
"[link]" 'linktextstring := % dummy link text; typically "[link]"
"http://arxiv.org/abs/" 'eprinturl := % prefix to make URL from eprint ref
"arXiv:" 'eprintprefix := % text prefix printed before eprint ref; typically "arXiv:"
"https://doi.org/" 'doiurl := % prefix to make URL from DOI
"doi:" 'doiprefix := % text prefix printed before DOI ref; typically "doi:"
"http://www.ncbi.nlm.nih.gov/pubmed/" 'pubmedurl := % prefix to make URL from PUBMED
"PMID:" 'pubmedprefix := % text prefix printed before PUBMED ref; typically "PMID:"
% The following are internal state variables, not configuration constants,
% so they shouldn't be fiddled with.
#0 'makeinlinelink := % state variable managed by possibly.setup.inlinelink
"" 'openinlinelink := % ditto
"" 'closeinlinelink := % ditto
}
INTEGERS {
bracket.state
outside.brackets
open.brackets
within.brackets
close.brackets
}
% ...urlbst to here
FUNCTION {init.state.consts}
{ #0 'outside.brackets := % urlbst...
#1 'open.brackets :=
#2 'within.brackets :=
#3 'close.brackets := % ...urlbst to here
#0 'before.all :=
#1 'mid.sentence :=
#2 'after.sentence :=
#3 'after.block :=
}
STRINGS { s t}
% urlbst
FUNCTION {output.nonnull.original}
{ 's :=
output.state mid.sentence =
{ ", " * write$ }
{ output.state after.block =
{ add.period$ write$
newline$
"\newblock " write$
}
{ output.state before.all =
'write$
{ add.period$ " " * write$ }
if$
}
if$
mid.sentence 'output.state :=
}
if$
s
}
% urlbst...
% The following three functions are for handling inlinelink. They wrap
% a block of text which is potentially output with write$ by multiple
% other functions, so we don't know the content a priori.
% They communicate between each other using the variables makeinlinelink
% (which is true if a link should be made), and closeinlinelink (which holds
% the string which should close any current link. They can be called
% at any time, but start.inlinelink will be a no-op unless something has
% previously set makeinlinelink true, and the two ...end.inlinelink functions
% will only do their stuff if start.inlinelink has previously set
% closeinlinelink to be non-empty.
% (thanks to 'ijvm' for suggested code here)
FUNCTION {uand}
{ 'skip$ { pop$ #0 } if$ } % 'and' (which isn't defined at this point in the file)
FUNCTION {possibly.setup.inlinelink}
{ makeinlinelink hrefform #0 > uand
{ doi empty$ adddoiresolver uand
{ pubmed empty$ addpubmedresolver uand
{ eprint empty$ addeprints uand
{ url empty$
{ "" }
{ url }
if$ }
{ eprinturl eprint * }
if$ }
{ pubmedurl pubmed * }
if$ }
{ doiurl doi * }
if$
% an appropriately-formatted URL is now on the stack
hrefform #1 = % hypertex
{ "\special {html:<a href=" quote$ * swap$ * quote$ * "> }{" * 'openinlinelink :=
"\special {html:</a>}" 'closeinlinelink := }
{ "\href {" swap$ * "} {" * 'openinlinelink := % hrefform=#2 -- hyperref
% the space between "} {" matters: a URL of just the right length can cause "\% newline em"
"}" 'closeinlinelink := }
if$
#0 'makeinlinelink :=
}
'skip$
if$ % makeinlinelink
}
FUNCTION {add.inlinelink}
{ openinlinelink empty$
'skip$
{ openinlinelink swap$ * closeinlinelink *
"" 'openinlinelink :=
}
if$
}
FUNCTION {output.nonnull}
{ % Save the thing we've been asked to output
's :=
% If the bracket-state is close.brackets, then add a close-bracket to
% what is currently at the top of the stack, and set bracket.state
% to outside.brackets
bracket.state close.brackets =
{ "]" *
outside.brackets 'bracket.state :=
}
'skip$
if$
bracket.state outside.brackets =
{ % We're outside all brackets -- this is the normal situation.
% Write out what's currently at the top of the stack, using the
% original output.nonnull function.
s
add.inlinelink
output.nonnull.original % invoke the original output.nonnull
}
{ % Still in brackets. Add open-bracket or (continuation) comma, add the
% new text (in s) to the top of the stack, and move to the close-brackets
% state, ready for next time (unless inbrackets resets it). If we come
% into this branch, then output.state is carefully undisturbed.
bracket.state open.brackets =
{ " [" * }
{ ", " * } % bracket.state will be within.brackets
if$
s *
close.brackets 'bracket.state :=
}
if$
}
% Call this function just before adding something which should be presented in
% brackets. bracket.state is handled specially within output.nonnull.
FUNCTION {inbrackets}
{ bracket.state close.brackets =
{ within.brackets 'bracket.state := } % reset the state: not open nor closed
{ open.brackets 'bracket.state := }
if$
}
FUNCTION {format.lastchecked}
{ lastchecked empty$
{ "" }
{ inbrackets citedstring lastchecked * }
if$
}
% ...urlbst to here
FUNCTION {output}
{ duplicate$ empty$
'pop$
'output.nonnull
if$
}
FUNCTION {output.check}
{ 't :=
duplicate$ empty$
{ pop$ "empty " t * " in " * cite$ * warning$ }
'output.nonnull
if$
}
FUNCTION {fin.entry.original} % urlbst (renamed from fin.entry, so it can be wrapped below)
{ add.period$
write$
newline$
}
FUNCTION {new.block}
{ output.state before.all =
'skip$
{ after.block 'output.state := }
if$
}
FUNCTION {new.sentence}
{ output.state after.block =
'skip$
{ output.state before.all =
'skip$
{ after.sentence 'output.state := }
if$
}
if$
}
FUNCTION {add.blank}
{ " " * before.all 'output.state :=
}
FUNCTION {date.block}
{
new.block
}
FUNCTION {not}
{ { #0 }
{ #1 }
if$
}
FUNCTION {and}
{ 'skip$
{ pop$ #0 }
if$
}
FUNCTION {or}
{ { pop$ #1 }
'skip$
if$
}
FUNCTION {new.block.checkb}
{ empty$
swap$ empty$
and
'skip$
'new.block
if$
}
FUNCTION {field.or.null}
{ duplicate$ empty$
{ pop$ "" }
'skip$
if$
}
FUNCTION {emphasize}
{ duplicate$ empty$
{ pop$ "" }
{ "\emph{" swap$ * "}" * }
if$
}
FUNCTION {tie.or.space.prefix}
{ duplicate$ text.length$ #3 <
{ "~" }
{ " " }
if$
swap$
}
FUNCTION {capitalize}
{ "u" change.case$ "t" change.case$ }
FUNCTION {space.word}
{ " " swap$ * " " * }
% Here are the language-specific definitions for explicit words.
% Each function has a name bbl.xxx where xxx is the English word.
% The language selected here is ENGLISH
FUNCTION {bbl.and}
{ "and"}
FUNCTION {bbl.etal}
{ "et~al." }
FUNCTION {bbl.editors}
{ "editors" }
FUNCTION {bbl.editor}
{ "editor" }
FUNCTION {bbl.edby}
{ "edited by" }
FUNCTION {bbl.edition}
{ "edition" }
FUNCTION {bbl.volume}
{ "volume" }
FUNCTION {bbl.of}
{ "of" }
FUNCTION {bbl.number}
{ "number" }
FUNCTION {bbl.nr}
{ "no." }
FUNCTION {bbl.in}
{ "in" }
FUNCTION {bbl.pages}
{ "pages" }
FUNCTION {bbl.page}
{ "page" }
FUNCTION {bbl.chapter}
{ "chapter" }
FUNCTION {bbl.techrep}
{ "Technical Report" }
FUNCTION {bbl.mthesis}
{ "Master's thesis" }
FUNCTION {bbl.phdthesis}
{ "Ph.D. thesis" }
MACRO {jan} {"January"}
MACRO {feb} {"February"}
MACRO {mar} {"March"}
MACRO {apr} {"April"}
MACRO {may} {"May"}
MACRO {jun} {"June"}
MACRO {jul} {"July"}
MACRO {aug} {"August"}
MACRO {sep} {"September"}
MACRO {oct} {"October"}
MACRO {nov} {"November"}
MACRO {dec} {"December"}
MACRO {acmcs} {"ACM Computing Surveys"}
MACRO {acta} {"Acta Informatica"}
MACRO {cacm} {"Communications of the ACM"}
MACRO {ibmjrd} {"IBM Journal of Research and Development"}
MACRO {ibmsj} {"IBM Systems Journal"}
MACRO {ieeese} {"IEEE Transactions on Software Engineering"}
MACRO {ieeetc} {"IEEE Transactions on Computers"}
MACRO {ieeetcad}
{"IEEE Transactions on Computer-Aided Design of Integrated Circuits"}
MACRO {ipl} {"Information Processing Letters"}
MACRO {jacm} {"Journal of the ACM"}
MACRO {jcss} {"Journal of Computer and System Sciences"}
MACRO {scp} {"Science of Computer Programming"}
MACRO {sicomp} {"SIAM Journal on Computing"}
MACRO {tocs} {"ACM Transactions on Computer Systems"}
MACRO {tods} {"ACM Transactions on Database Systems"}
MACRO {tog} {"ACM Transactions on Graphics"}
MACRO {toms} {"ACM Transactions on Mathematical Software"}
MACRO {toois} {"ACM Transactions on Office Information Systems"}
MACRO {toplas} {"ACM Transactions on Programming Languages and Systems"}
MACRO {tcs} {"Theoretical Computer Science"}
FUNCTION {bibinfo.check}
{ swap$
duplicate$ missing$
{
pop$ pop$
""
}
{ duplicate$ empty$
{
swap$ pop$
}
{ swap$
pop$
}
if$
}
if$
}
FUNCTION {bibinfo.warn}
{ swap$
duplicate$ missing$
{
swap$ "missing " swap$ * " in " * cite$ * warning$ pop$
""
}
{ duplicate$ empty$
{
swap$ "empty " swap$ * " in " * cite$ * warning$
}
{ swap$
pop$
}
if$
}
if$
}
STRINGS { bibinfo}
INTEGERS { nameptr namesleft numnames }
FUNCTION {format.names}
{ 'bibinfo :=
duplicate$ empty$ 'skip$ {
's :=
"" 't :=
#1 'nameptr :=
s num.names$ 'numnames :=
numnames 'namesleft :=
{ namesleft #0 > }
{ s nameptr
duplicate$ #1 >
{ "{ff~}{vv~}{ll}{, jj}" }
{ "{ff~}{vv~}{ll}{, jj}" } % first name first for first author
% { "{vv~}{ll}{, ff}{, jj}" } % last name first for first author
if$
format.name$
bibinfo bibinfo.check
't :=
nameptr #1 >
{
namesleft #1 >
{ ", " * t * }
{
numnames #2 >
{ "," * }
'skip$
if$
s nameptr "{ll}" format.name$ duplicate$ "others" =
{ 't := }
{ pop$ }
if$
t "others" =
{
" " * bbl.etal *
}
{
bbl.and
space.word * t *
}
if$
}
if$
}
't
if$
nameptr #1 + 'nameptr :=
namesleft #1 - 'namesleft :=
}
while$
} if$
}
FUNCTION {format.names.ed}
{
'bibinfo :=
duplicate$ empty$ 'skip$ {
's :=
"" 't :=
#1 'nameptr :=
s num.names$ 'numnames :=
numnames 'namesleft :=
{ namesleft #0 > }
{ s nameptr
"{ff~}{vv~}{ll}{, jj}"
format.name$
bibinfo bibinfo.check
't :=
nameptr #1 >
{
namesleft #1 >
{ ", " * t * }
{
numnames #2 >
{ "," * }
'skip$
if$
s nameptr "{ll}" format.name$ duplicate$ "others" =
{ 't := }
{ pop$ }
if$
t "others" =
{
" " * bbl.etal *
}
{
bbl.and
space.word * t *
}
if$
}
if$
}
't
if$
nameptr #1 + 'nameptr :=
namesleft #1 - 'namesleft :=
}
while$
} if$
}
FUNCTION {format.key}
{ empty$
{ key field.or.null }
{ "" }
if$
}
FUNCTION {format.authors}
{ author "author" format.names
}
FUNCTION {get.bbl.editor}
{ editor num.names$ #1 > 'bbl.editors 'bbl.editor if$ }
FUNCTION {format.editors}
{ editor "editor" format.names duplicate$ empty$ 'skip$
{
"," *
" " *
get.bbl.editor
*
}
if$
}
FUNCTION {format.note}
{
note empty$
{ "" }
{ note #1 #1 substring$
duplicate$ "{" =
'skip$
{ output.state mid.sentence =
{ "l" }
{ "u" }
if$
change.case$
}
if$
note #2 global.max$ substring$ * "note" bibinfo.check
}
if$
}
FUNCTION {format.title}
{ title
duplicate$ empty$ 'skip$
{ "t" change.case$ }
if$
"title" bibinfo.check
}
FUNCTION {format.full.names}
{'s :=
"" 't :=
#1 'nameptr :=
s num.names$ 'numnames :=
numnames 'namesleft :=
{ namesleft #0 > }
{ s nameptr
"{vv~}{ll}" format.name$
't :=
nameptr #1 >
{
namesleft #1 >
{ ", " * t * }
{
s nameptr "{ll}" format.name$ duplicate$ "others" =
{ 't := }
{ pop$ }
if$
t "others" =
{
" " * bbl.etal *
}
{
numnames #2 >
{ "," * }
'skip$
if$
bbl.and
space.word * t *
}
if$
}
if$
}
't
if$
nameptr #1 + 'nameptr :=
namesleft #1 - 'namesleft :=
}
while$
}
FUNCTION {author.editor.key.full}
{ author empty$
{ editor empty$
{ key empty$
{ cite$ #1 #3 substring$ }
'key
if$
}
{ editor format.full.names }
if$
}
{ author format.full.names }
if$
}
FUNCTION {author.key.full}
{ author empty$
{ key empty$
{ cite$ #1 #3 substring$ }
'key
if$
}
{ author format.full.names }
if$
}
FUNCTION {editor.key.full}
{ editor empty$
{ key empty$
{ cite$ #1 #3 substring$ }
'key
if$
}
{ editor format.full.names }
if$
}
FUNCTION {make.full.names}
{ type$ "book" =
type$ "inbook" =
or
'author.editor.key.full
{ type$ "proceedings" =
'editor.key.full
'author.key.full
if$
}
if$
}
FUNCTION {output.bibitem.original} % urlbst (renamed from output.bibitem, so it can be wrapped below)
{ newline$
"\bibitem[{" write$
label write$
")" make.full.names duplicate$ short.list =
{ pop$ }
{ * }
if$
"}]{" * write$
cite$ write$
"}" write$
newline$
""
before.all 'output.state :=
}
FUNCTION {n.dashify}
{
't :=
""
{ t empty$ not }
{ t #1 #1 substring$ "-" =
{ t #1 #2 substring$ "--" = not
{ "--" *
t #2 global.max$ substring$ 't :=
}
{ { t #1 #1 substring$ "-" = }
{ "-" *
t #2 global.max$ substring$ 't :=
}
while$
}
if$
}
{ t #1 #1 substring$ *
t #2 global.max$ substring$ 't :=
}
if$
}
while$
}
FUNCTION {word.in}
{ bbl.in capitalize
" " * }
FUNCTION {format.date}
{ year "year" bibinfo.check duplicate$ empty$
{
}
'skip$
if$
extra.label *
before.all 'output.state :=
after.sentence 'output.state :=
}
FUNCTION {format.btitle}
{ title "title" bibinfo.check
duplicate$ empty$ 'skip$
{
emphasize
}
if$
}
FUNCTION {either.or.check}
{ empty$
'pop$
{ "can't use both " swap$ * " fields in " * cite$ * warning$ }
if$
}
FUNCTION {format.bvolume}
{ volume empty$
{ "" }
{ bbl.volume volume tie.or.space.prefix
"volume" bibinfo.check * *
series "series" bibinfo.check
duplicate$ empty$ 'pop$
{ swap$ bbl.of space.word * swap$
emphasize * }
if$
"volume and number" number either.or.check
}
if$
}
FUNCTION {format.number.series}
{ volume empty$
{ number empty$
{ series field.or.null }
{ series empty$
{ number "number" bibinfo.check }
{ output.state mid.sentence =
{ bbl.number }
{ bbl.number capitalize }
if$
number tie.or.space.prefix "number" bibinfo.check * *
bbl.in space.word *