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mla-strict.bbx
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mla-strict.bbx
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% mla-strict.bbx, v2.1a 2022/02/22 * compatible with biblatex 3.16
% Maintained at <https://github.com/jmclawson/biblatex-mla>.
%
% Feel free to improve, redistribute, and adapt to your own ends. Please share improvements back to the project on GitHub or to James Clawson: <clawson@gmail.com>.
%
% This material is subject to the LaTeX Project Public License. See http://www.ctan.org/tex-archive/help/Catalogue/licenses.lppl.html for the details of that license.
\ProvidesFile{mla-strict.bbx}[2022/02/22 v2.1a biblatex bibliography style]
\RequireBibliographyStyle{standard}
\DeclareLanguageMappingSuffix{-mla}
% add leading zero to page range
\newrobustcmd*{\mkcomprangezero}{%
\begingroup
\@ifstar
{\blx@range@aux\blx@comprange@ii}
{\blx@range@aux\blx@comprange@i}}
\def\blx@comprange@i[#1][#2]#3{%
\let\blx@tempa\@empty
\protected\def\blx@range@out@value{\appto\blx@tempa}%
\def\blx@range@out@item@process{#2}%
\let\blx@range@out@delim\blx@range@out@value
\let\blx@range@split\blx@genrange@split
\let\blx@range@process\blx@comprange@check
\blx@range@chunk{#3}%
\begingroup
\edef\blx@tempa{\endgroup
\unexpanded{#1}{\expandonce\blx@tempa}}%
\blx@tempa
\endgroup}
\def\blx@comprange@ii[#1][#2]#3{%
\protected\def\blx@range@out@value{#1}%
\def\blx@range@out@item@process{#2}%
\let\blx@range@out@delim\@firstofone
\let\blx@range@split\blx@genrange@split
\let\blx@range@process\blx@comprange@check
\blx@range@chunk{#3}%
\endgroup}
\def\blx@comprange@check#1#2{%
\blx@imc@ifinteger{#1}
{\blx@imc@ifinteger{#2}
{\@firstoftwo}
{\@secondoftwo}}
{\@secondoftwo}
{\blx@comprange@comp{#1}{#2}}
{\begingroup
\protected@edef\blx@tempc{\endgroup
\blx@range@out@value{%
\blx@range@out@item@process{\unexpanded{#1}}%
\noexpand\bibrangedash
\blx@range@out@item@process{\unexpanded{#2}}}}%
\blx@tempc}}
\def\blx@comprange@comp#1#2{%
\def\blx@tempb{#1}%
\def\blx@tempc{#2}%
\let\blx@tempd\blx@tempc
\ifnum\c@maxcomprange<\abx@rangeproclimit\relax
\numdef\blx@tempe\abx@rangeproclimit
\else
\numdef\blx@tempe\c@maxcomprange
\fi
\blx@tempcntc=\blx@tempe\relax
\ifnum
\ifnum\c@mincompwidth<1\space1\fi
\ifnum\c@maxcomprange<10\space1\fi
\ifnum\c@mincomprange<\blx@tempb\space\else1\fi
\ifnum\blx@tempb<\numexpr\blx@tempcntc*10\relax\else1\fi
0=\z@
\expandafter\blx@comprange@comp@div
\else
\expandafter\blx@comprange@end
\fi}
\def\blx@comprange@end{%
\numdef\blx@tempb\blx@tempb
\ifnum\blx@tempe>\c@maxcomprange\relax
\numdef\blx@tempc\blx@tempc
\else
\numdef\blx@tempc\blx@tempd
\fi
\begingroup
\protected@edef\blx@tempb{\endgroup
\blx@range@out@value{%
\blx@range@out@item@process{\blx@tempb}%
\noexpand\bibrangedash
% mkcomprangezero changes start here
\ifnum\blx@tempc<10
\ifnum\blx@tempb<10
\blx@range@out@item@process{\blx@tempc}% 2.2 add comment at ends of lines
\else
\blx@range@out@item@process{0\blx@tempc}% force leading zero
\fi
\else
\blx@range@out@item@process{\blx@tempc}%
\fi}}% mkcomprangezero changes end here
\blx@tempb}
\def\blx@comprange@comp@div{%
\unless\ifnum\blx@tempb<\blx@tempcntc
\blx@tempcnta\blx@tempb\relax
\blx@tempcntb\blx@tempc\relax
\divide\blx@tempcnta\blx@tempcntc
\divide\blx@tempcntb\blx@tempcntc
\ifnum\blx@tempcnta=\blx@tempcntb
\edef\blx@tempd{\expandafter\@gobble\blx@tempd}%
\numdef\blx@tempe\blx@tempcntc
\fi
\fi
\divide\blx@tempcntc10\relax
\ifnum
\ifnum\blx@tempcntc<10 1\fi
\ifnum\blx@tempcntc>\c@mincompwidth\else 1\fi
0=\z@
\expandafter\blx@comprange@comp@div
\else
\expandafter\blx@comprange@end
\fi}
%%%%% \end add leading zero to page range
% \NewBibliographyString{byserieseditor}
\NewBibliographyString{bydirector}
\NewBibliographyString{bycreator}% 2.1
\NewBibliographyString{creator}% 2.1
\NewBibliographyString{byscreenplay}% 2.1
\NewBibliographyString{tvseason}% 2.1
\NewBibliographyString{tvepisode}% 2.1
% \NewBibliographyString{reviewof} 2.1 ---- remove in favor of provided string reviewof
\NewBibliographyString{specissue}
\NewBibliographyString{phd}% ---------- FIXME: should these use some standard?
\NewBibliographyString{dphil}
\NewBibliographyString{lic}
\NewBibliographyString{ma}
\NewBibliographyString{ms}
\NewBibliographyString{msc}
\NewBibliographyString{mphil}
\NewBibliographyString{mlitt}
\NewBibliographyString{manuscript}
\NewBibliographyString{typescript}
\NewBibliographyString{director}
\NewBibliographyString{screenplay}
\NewBibliographyString{adaptation}
\NewBibliographyString{adaptor}
\NewBibliographyString{performer}
\NewBibliographyString{performers}
\NewBibliographyString{byperformer}
\NewBibliographyString{bynarrator}% 2.1
\NewBibliographyString{narrator}% 2.1
\NewBibliographyString{numbers}% 2.1
\NewBibliographyString{composer}
\NewBibliographyString{composedby}
\NewBibliographyString{producer}
\NewBibliographyString{with}
\NewBibliographyString{proceedings}
\NewBibliographyString{compilerandeditor}%
\NewBibliographyString{bycompilerandeditor}%
% \NewBibliographyString{transof}% -------- 2.1 replace with provided string translationof
\NewBibliographyString{volstodate}%
\NewBibliographyString{supptotitle}%
\NewBibliographyString{print}%
\NewBibliographyString{web}%
\NewBibliographyString{generaleditor}%
\NewBibliographyString{conductor}% 2.1
\NewBibliographyString{byconductor}% 2.1
\NewBibliographyString{bycomposer}% 2.1
\NewBibliographyString{recorded}% 2.1
\NewBibliographyString{byhost}% 2.1
\NewBibliographyString{host}% 2.1
\NewBibliographyString{interviewer}% 2.1
\NewBibliographyString{byinterviewer}% 2.1
\setlength{\bibitemsep}{0pt}
\renewcommand*{\mkbibnamesuffix}[1]{\addcomma\addlowpenspace#1}
\renewcommand*{\bibdatetimesep}{\addcomma\addspace}
\DeclareDelimFormat{andothersdelim}{\addspace}
\DeclareDelimFormat[notreversed]{andothersdelim}{\addspace}
\DeclareDelimFormat[bib]{andothersdelim}{\addcomma\addspace}
\DeclareNameAlias{author}{sortname}
\DeclareNameFormat{mla:last}{\nameparts{#1}\namepartfamily}%
\DeclareNameFormat{default}{%
\nameparts{#1}%
\ifgiveninits{%
\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiveni}{\namepartprefix}{\namepartsuffix}%
}{%
\usebibmacro{name:given-family}{\namepartfamily}{\namepartgiven}{\namepartprefix}{\namepartsuffix}%
}%
\usebibmacro{name:andothers}%
}%
% Redefined in 2.1 to move the name suffix (junior) after the given name in the bibliography
\renewbibmacro*{name:family-given}[4]{%
\ifuseprefix
{\usebibmacro{name:delim}{#3#1}%
\usebibmacro{name:hook}{#3#1}%
\mkbibcompletenamefamilygiven{%
\ifdefvoid{#3}
{}
{\ifcapital
{\mkbibnameprefix{\MakeCapital{#3}}\isdot}
{\mkbibnameprefix{#3}\isdot}%
\ifprefchar{}{\bibnamedelimc}}%
\mkbibnamefamily{#1}\isdot
\ifdefvoid{#2}
{}
{\revsdnamepunct\bibnamedelimd\mkbibnamegiven{#2}\isdot}%
\ifdefvoid{#4}
{}
{\bibnamedelimd\mkbibnamesuffix{#4}\isdot}}}
{\usebibmacro{name:delim}{#1}%
\usebibmacro{name:hook}{#1}%
\mkbibcompletenamefamilygiven{%
\mkbibnamefamily{#1}\isdot
\ifboolexpe{%
test {\ifdefvoid{#2}}
and
test {\ifdefvoid{#3}}}
{}
{\revsdnamepunct}%
\ifdefvoid{#2}
{}
{\bibnamedelimd\mkbibnamegiven{#2}\isdot}%
\ifdefvoid{#3}
{}
{\bibnamedelimd\mkbibnameprefix{#3}\isdot}%
\ifdefvoid{#4}
{}
{\bibnamedelimd\mkbibnamesuffix{#4}\isdot}}}}
\defbibenvironment{bibliography}
{\list
{}
{\setlength{\leftmargin}{\bibhang}%
\setlength{\itemindent}{-\leftmargin}%
\setlength{\itemsep}{\bibitemsep}%
\setlength{\parsep}{\bibparsep}}}
{\endlist}
{\item}
% compressing page ranges
\setcounter{mincomprange}{100}
% \setcounter{maxcomprange}{1000}
\setcounter{mincompwidth}{10}
\DeclareFieldFormat{title:article}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:manuscript}{\mkbibquote{#1}}% 2.1
\DeclareFieldFormat{title:artwork}{\mkbibemph{#1}}%
\DeclareFieldFormat{title:music}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:audio}{\mkbibquote{#1}}%
\DeclareFieldFormat{booktitle:music}{\mkbibemph{#1}}%
\DeclareFieldFormat{booktitle:audio}{\mkbibemph{#1}}%
\DeclareFieldFormat{title:online}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:inreference}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:book}{\mkbibemph{#1}}
\DeclareFieldFormat{title:booklet}{\mkbibemph{#1}}
\DeclareFieldFormat{title:collection}{\mkbibemph{#1}}
\DeclareFieldFormat{title:incollection}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:inbook}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:inproceedings}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:mvbook}{\mkbibemph{#1}}% mla-2.0
\DeclareFieldFormat{title:patent}{\mkbibquote{#1}}
\DeclareFieldFormat{title:proceedings}{\mkbibemph{#1}}% 2.1
\DeclareFieldFormat{title:report}{\mkbibemph{#1}}% 2.1
\DeclareFieldFormat{title:review}{\mkbibquote{#1}}% 2.1
\DeclareFieldFormat{title:video}{\mkbibquote{#1}}% 2.1
\DeclareFieldFormat{title:software}{\mkbibemph{#1}}% 2.1 added support for software
\DeclareFieldFormat{title:performance}{\mkbibemph{#1}}% 2.1 added support for performance
\DeclareFieldFormat{title:dataset}{\mkbibquote{#1}}% 2.1 added support for dataset
\DeclareFieldFormat{title:misc}{#1}% 2.1 TRIED to support proper styling for citations of misc titles
\DeclareFieldFormat{title:image}{#1}% 2.1 TRIED to support proper styling for citations of images
\DeclareFieldFormat{title:thesis}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:unpublished}{\mkbibquote{#1}}%
\DeclareFieldFormat{title:reviewedbook}{\bibstring{reviewof}\addspace\mkbibemph{#1}}%
\DeclareFieldFormat{title:reference}{\mkbibemph{#1}}%
\DeclareFieldFormat{isbn}{#1}%
\DeclareFieldFormat{pages}{\mkcomprangezero[{\mkpageprefix[bookpagination]}]{#1}}% 2.2
\DeclareFieldFormat[review]{volume}{#1}%
\DeclareFieldFormat[article]{volume}{#1}%
\DeclareListFormat[article]{location}%
{\mkbibbrackets{#1}}% 2.1 removed spacing controls
\DeclareFieldFormat[article]{version}{#1\isdot}%
\DeclareFieldFormat[review]{version}{#1\isdot}% 2.1
\DeclareFieldFormat[incollection]{bibliography:origyear}{\openrangeformat{#1}\addperiod}%
\DeclareFieldFormat[video]{mla:publimedium}{\MakeCapital{film}}%
\DeclareFieldFormat[movie]{titleaddon}{\mkbibbrackets{\mkbibemph{#1}}}%
\DeclareFieldFormat[movie]{version}{#1}%
\DeclareFieldFormat[video]{title}{\mkbibquote{#1}}% 2.1
\DeclareFieldFormat[video]{season}{\bibstring{tvseason}\addspace#1}% 2.1
\DeclareFieldFormat[video]{number}{\bibstring{tvepisode}\addspace#1}% 2.1
\DeclareFieldFormat{date:brackets}{\mkbibbrackets{#1}}% 2.1
\DeclareFieldFormat[patent]{number}{#1}%
\DeclareFieldFormat{mla:publimedium}{\MakeCapital{#1}}%
\DeclareFieldFormat{mla:capital}{\MakeCapital{#1}}%
\DeclareFieldFormat{url}{%
\ifhyperref%
{\href{http://#1}{\nolinkurl{#1}}}%
{\url{#1}}}%
\DeclareFieldFormat{mla:lowercase}{\MakeLowercase{#1}}%
\DeclareFieldFormat{nameaddon}{\mkbibbrackets{#1}}%
\DeclareFieldFormat{issuetitle}{\mkbibemph{#1}}
\DeclareFieldFormat{mla:news:section:name}{#1\addspace\bibstring{section}}% 2.1
\DeclareFieldFormat{mla:news:section:number}{\bibstring{section}\addspace#1}%
\DeclareFieldFormat{library}{#1\isdot}%
\DeclareFieldFormat{reviewededitor}{\bibstring{byeditor}\addspace#1}%
\DeclareFieldFormat{reviewedauthor}{\bibstring{byauthor}\addspace#1}%
\DeclareFieldFormat{title:suppbook}{\mkbibquote{#1}}
\DeclareFieldFormat{openrangevolumes}{#1~\bibstring{volstodate}}%
\DeclareFieldFormat{volumeof}{\bibstring{volume}~#1~\bibstring{ofseries}}%
\DeclareFieldFormat{mla:sentence-case}{\MakeSentenceCase{#1}}%
\DeclareFieldFormat{eprinttype}{\mkbibemph{#1}}
\DeclareFieldFormat{eprint:arxiv}{%
\iffieldundef{url}{%
\mkbibemph{arXiv}\addcomma\space \printtext[url]{arxiv.org/abs/#1}}{%
\mkbibemph{arXiv}}}
\DeclareFieldFormat{eprint:jstor}{%
\iffieldundef{url}{%
\mkbibemph{JSTOR}\addcomma\space \printtext[url]{www.jstor.org/stable/#1}}{%
\mkbibemph{JSTOR}}}
\DeclareFieldFormat{eprint:hulu}{%
\iffieldundef{url}{%
\mkbibemph{Hulu}\addcomma\space \printtext[url]{www.hulu.com/watch/#1}}{%
\mkbibemph{Hulu}}}
\DeclareFieldFormat{eprint:googlebooks}{%
\iffieldundef{url}{%
\mkbibemph{Google Books}\addcomma\space \printtext[url]{books.google.com/books?id=#1}}{%
\mkbibemph{Google Books}}}
\DeclareFieldFormat{eprint:muse}{%
\iffieldundef{url}{%
\mkbibemph{Project Muse}\addcomma\space \printtext[url]{muse.jhu.edu/article/#1}}{%
\mkbibemph{Project Muse}}}
\DeclareFieldFormat{eprint}{\emph{#1}}%
\DeclareFieldFormat{doi}{%
https://doi.org/% 2.1
\ifhyperref%
{\href{https://doi.org/#1}{\nolinkurl{#1}}}%
{\nolinkurl{#1}}}
\DeclareFieldFormat{urldate}{#1}%
\DeclareFieldFormat[article,periodical,review]{volume}{\bibstring{volume}\ppspace#1}% volume of a journal
% \DeclareFieldFormat[article,periodical,review]{number}{\bibstring{number}\ppspace#1}% number of a journal
\DeclareFieldFormat[article,periodical,review,dataset]{number}{% 2.1
\ifnumerals{#1}%
{\ifnumeral{#1}%
{\bibstring{number}}%
{\bibstring{numbers}}}%
{}%
~\mkcomprangezero{#1}}%
\DeclareBibliographyAlias{booklet}{book}%
\DeclareBibliographyAlias{bookinbook}{incollection}%
\DeclareBibliographyAlias{collection}{book}%
\DeclareBibliographyAlias{reference}{book}%
% \DeclareBibliographyAlias{image}{article}%
\DeclareBibliographyAlias{inbook}{incollection}%
\DeclareBibliographyAlias{letter}{article}%
\DeclareBibliographyAlias{manual}{book}% 2.0 ADDED √
\DeclareBibliographyAlias{misc}{article}% 2.0 ADDED √
% \DeclareBibliographyAlias{video}{incollection}% 2.1 ADDED ... and then commented out this line
\DeclareBibliographyAlias{audio}{music}%
\DeclareBibliographyAlias{online}{article}
\DeclareBibliographyAlias{patent}{article}% 2.0 ADDED √
\DeclareBibliographyAlias{report}{book}% 2.0 ADDED √
\DeclareBibliographyAlias{suppcollection}{suppbook}%
\DeclareBibliographyAlias{dataset}{article}% 2.1 ADDED
\DeclareFieldAlias[online]{maintitle}{journaltitle}
\DeclareFieldAlias[book]{subtitle}{booksubtitle}
\DeclareFieldAlias[book]{title}{booktitle}
\DeclareListAlias[report]{institution}{publisher}
% \DeclareFieldAlias[patent]{holder}{addendum}
\renewcommand*{\newunitpunct}{\addcomma\addspace}
\renewcommand*{\multilistdelim}{\addspace/\addspace}
\renewcommand*{\finallistdelim}{\addspace/\addspace}
\renewcommand*{\revsdnamedelim}{\addcomma}
\renewcommand*{\newblockpunct}{\addperiod\addspace}
\renewcommand*{\subtitlepunct}{\ifterm{}{\addcolon}\addspace}
\newboolean{bbx@mla-incollection}
\newbool{bbx@inset}
\DeclareBibliographyOption{dashed}[true]{%
\ifstrequal{#1}{true}
{\ExecuteBibliographyOptions{pagetracker}%
\renewbibmacro*{bbx:savehash}{\savefield{fullhash}{\bbx@lasthash}}}
{\ExecuteBibliographyOptions{pagetracker=false}%
\renewbibmacro*{bbx:savehash}{}}}
\newboolean{bbx@annotation}% same as biblatex-dw
\DeclareBibliographyOption{annotation}[true]{%
\setbool{bbx@annotation}{#1}}
\newboolean{bbx@totalnames}
\newboolean{cbx@totalnames}
\DeclareEntryOption{totalnames}[true]{%
\setbool{bbx@totalnames}{#1}\setbool{cbx@totalnames}{#1}}
% for translated incollections where the collection has no shared translator
\newboolean{bbx@uniquetranslator}%
\DeclareEntryOption{uniquetranslator}[true]{%
\setbool{bbx@uniquetranslator}{#1}}
% especially for a tv episode with a unique named individual
\newboolean{bbx@uniquenamea}%
\newboolean{bbx@uniquenameb}%
\newboolean{bbx@uniquenamec}%
\DeclareEntryOption{uniquenamea}[true]{%
\setbool{bbx@uniquenamea}{#1}}
\DeclareEntryOption{uniquenameb}[true]{%
\setbool{bbx@uniquenameb}{#1}}
\DeclareEntryOption{uniquenamec}[true]{%
\setbool{bbx@uniquenamec}{#1}}
\newtoggle{bbx:showlocation}% 2.0 add a global/entry toggle to show location
\settoggle{bbx:showlocation}{false}
\DeclareBibliographyOption{showlocation}[true]{\settoggle{bbx:showlocation}{#1}}
\DeclareEntryOption{showlocation}[true]{\settoggle{bbx:showlocation}{#1}}
\newtoggle{bbx:longdash}% 2.0 change bibnamedash default and add a toggle to revert
\settoggle{bbx:longdash}{true}
\DeclareBibliographyOption{longdash}[true]{\settoggle{bbx:longdash}{#1}}
\newtoggle{bbx:datebrackets}% 2.1 new toggle to print date in brackets
\settoggle{bbx:datebrackets}{false}
\DeclareEntryOption{datebrackets}[true]{\settoggle{bbx:datebrackets}{#1}}
\newtoggle{mla:image}% 2.1 new internal toggle for images
\settoggle{mla:image}{false}
\newtoggle{mla:delayed}% 2.1 new internal toggle for logic testing
\settoggle{mla:delayed}{false}
\newtoggle{del:p}% 2.1 delay plus, to add to containing
\settoggle{del:p}{false}
\newtoggle{del:m}% 2.1 delay minus, to subtract from containing
\settoggle{del:m}{false}
\newcounter{containing}% 2.1 new global/entry options for multivolumes
\setcounter{containing}{0}
\DeclareBibliographyOption[string]{containerized}[auto]{%
\ifthenelse{\equal{\detokenize{#1}}{\detokenize{auto}}}
{\settoggle{del:p}{false}\settoggle{del:m}{false}}% containerized=auto
{\ifthenelse{\equal{\detokenize{#1}}{\detokenize{true}}}
{\settoggle{del:p}{true}\settoggle{del:m}{false}}% ...=true
{\ifthenelse{\equal{\detokenize{#1}}{\detokenize{false}}}
{\settoggle{del:p}{false}\settoggle{del:m}{true}}% ...=false
{\PackageError{biblatex-mla}
{Option 'containerized=#1' invalid}
{The option you have supplied is invalid.\MessageBreak
Please choose among auto, true, and false.}}% ...!=auto;!=true;!=false
}% ...!=auto;!=true
}% ...!=auto
}%
\DeclareEntryOption[string]{containerized}[true]{%
\ifthenelse{\equal{\detokenize{#1}}{\detokenize{auto}}}
{\settoggle{del:p}{false}\settoggle{del:m}{false}}% containerized=auto
{\ifthenelse{\equal{\detokenize{#1}}{\detokenize{true}}}
{\settoggle{del:p}{true}\settoggle{del:m}{false}}% ...=true
{\ifthenelse{\equal{\detokenize{#1}}{\detokenize{false}}}
{\settoggle{del:p}{false}\settoggle{del:m}{true}}% ...=false
{\PackageError{biblatex-mla}
{Option 'containerized=#1' invalid}
{The option you have supplied is invalid.\MessageBreak
Please choose among auto, true, and false.}}% ...!=auto;!=true;!=false
}% ...!=auto;!=true
}% ...!=auto
}%
\ExecuteBibliographyOptions{containerized=auto}
\ExecuteBibliographyOptions[inreference]{useeditor=false}
\newbool{bbx:gnoreminfo}%
\setbool{bbx:gnoreminfo}{false}
\DeclareBibliographyOption{noremoteinfo}[true]{\setbool{bbx:gnoreminfo}{#1}}
\newbool{bbx:lnoreminfo}%
\setbool{bbx:lnoreminfo}{false}
\DeclareEntryOption{noremoteinfo}[true]{\setbool{bbx:lnoreminfo}{#1}}
\newtoggle{bbx:isan}
\DeclareBibliographyOption{isan}[true]{\settoggle{bbx:isan}{#1}}%
\newtoggle{bbx:ismn}
\DeclareBibliographyOption{ismn}[true]{\settoggle{bbx:ismn}{#1}}%
\newtoggle{bbx:isrn}
\DeclareBibliographyOption{isrn}[true]{\settoggle{bbx:isrn}{#1}}%
\newtoggle{bbx:issn}
\DeclareBibliographyOption[boolean]{issn}[true]{\settoggle{bbx:issn}{#1}}%
\newboolean{mla@nodate}%
\DeclareEntryOption{nodate}[true]{\setbool{mla@nodate}{#1}}
\ExecuteBibliographyOptions{maxnames=2,datezeros=false,eprint=true}%
\newrobustcmd{\openrangeformat}[1]{%
\begingroup%
\let\blx@org@rangedash=\bibrangedash%
\def\bibrangedash{%
\blx@org@rangedash%
\futurelet\@let@token\blx@openrangeformat}%
#1%
\endgroup}
\newcommand*{\blx@openrangeformat}{%
\ifx\@let@token\endgroup%
\openrangemark%
\fi}
\newcommand*{\openrangemark}{\mbox{ }}%
\newbibmacro*{bbx:savehash}{%
\savefield{fullhash}{\bbx@lasthash}}
\iftoggle{bbx:longdash}% MLA Handbook 9 says either is viable if used consistently
{\newcommand*{\mlanamedash}{\textemdash\textemdash\textemdash}}
{\newcommand*{\mlanamedash}{-{}-{}-}}
\renewcommand*{\bibnamedash}{%
\iftoggle{bbx:longdash}% MLA Handbook 9 says either is viable if used consistently
{\printtext[noformat]{\textemdash\textemdash\textemdash}}%
{\printtext[noformat]{-{}-{}-}}%
% \printtext[noformat]{\mlanamedash}%
\iffieldundef{nameaddon}%
{\setunit{\addperiod\addspace}}%
{\setunit{\nopunct}}}%
\renewbibmacro*{author}{%
\ifthenelse{\ifuseauthor\AND\NOT\ifnameundef{author}}
{\usebibmacro{bbx:dashcheck}%
{\bibnamedash}%
{\ifbool{bbx@totalnames}%
{\printnames[sortname][-\value{listtotal}]{author}}
{\printnames{author}}%
\usebibmacro{bbx:savehash}}%
\iffieldundef{nameaddon}%
{}%
{\setunit{\addspace}%
\printfield{nameaddon}}%
\iffieldundef{authortype}%
{}%
{\newunit%
\usebibmacro{authorstrg}}}%
{\global\undef\bbx@lasthash}}
\renewbibmacro*{editor}{%
\ifthenelse{\ifuseeditor\AND\NOT\ifnameundef{editor}}%
{\ifthenelse{\iffieldequals{namehash}{\bbx@lasthash}\AND\NOT
\iffirstonpage}%
{\mbox{\mlanamedash\unspace\addcomma\addspace}}%
{\ifbool{bbx@totalnames}%
{\printnames[sortname][-\value{listtotal}]{editor}}%
{\printnames{editor}}%
\newunit%
\savefield{namehash}{\bbx@lasthash}}%
\usebibmacro{editorstrg}\clearname{editor}\setunit{\addperiod\space}}%
{\global\undef\bbx@lasthash}}
\renewbibmacro*{editor+others}{%
\ifthenelse{\ifuseeditor\AND\NOT\ifnameundef{editor}}%
{\ifthenelse{\iffieldequals{namehash}{\bbx@lasthash}\AND\NOT
\iffirstonpage}%
{\mbox{\mlanamedash\unspace\addcomma\addspace}}%
{\ifbool{bbx@totalnames}%
{\printnames[sortname][-\value{listtotal}]{editor}}%
{\printnames[sortname]{editor}}%
\newunit%
\savefield{namehash}{\bbx@lasthash}}%
\usebibmacro{editor+othersstrg}\clearname{editor}\clearfield{editortype}}%
{\global\undef\bbx@lasthash}}
\renewbibmacro*{translator}{%
\ifthenelse{\ifusetranslator\AND\NOT\ifnameundef{translator}}%
{\ifthenelse{\iffieldequals{namehash}{\bbx@lasthash}\AND\NOT
\iffirstonpage}%
{\mbox{\mlanamedash\unspace\addcomma\addspace}}%
{\ifbool{bbx@totalnames}%
{\printnames[sortname][-\value{listtotal}]{translator}}%
{\printnames[sortname]{translator}}%
\newunit%
\savefield{namehash}{\bbx@lasthash}}%
\usebibmacro{translatorstrg}\clearname{translator}}%
{\global\undef\bbx@lasthash}}
\renewbibmacro*{translator+others}{%
\ifthenelse{\ifusetranslator\AND\NOT\ifnameundef{translator}}%
{\ifthenelse{\iffieldequals{namehash}{\bbx@lasthash}\AND\NOT
\iffirstonpage}%
{\mbox{\mlanamedash\unspace\addcomma\addspace}}%
{\ifbool{bbx@totalnames}%
{\printnames[sortname][-\value{listtotal}]{translator}}%
{\printnames[sortname]{translator}}%
\newunit%
\savefield{namehash}{\bbx@lasthash}}%
\usebibmacro{translator+othersstrg}\clearname{translator}}%
{\global\undef\bbx@lasthash}}
\renewbibmacro*{bytranslator+othersstrg}{%
\let\abx@tempb=\empty
\ifnamesequal{editor}{translator}
{\iffieldundef{editortype}
{\def\abx@tempa{byeditortr}}
{\edef\abx@tempa{by\thefield{editortype}tr}}
\appto\abx@tempb{\clearname{editor}}}
{\def\abx@tempa{bytranslator}}%
\ifnamesequal{translator}{commentator}
{\appto\abx@tempa{co}%
\clearname{commentator}}
{\ifnamesequal{translator}{annotator}
{\appto\abx@tempa{an}%
\clearname{annotator}}
{}}%
\ifnamesequal{translator}{introduction}
{\appto\abx@tempa{in}%
\clearname{introduction}}
{\ifnamesequal{translator}{foreword}
{\appto\abx@tempa{fo}%
\clearname{foreword}}
{\ifnamesequal{translator}{afterword}
{\appto\abx@tempa{af}%
\clearname{afterword}}
{}}}%
\bibstring{\abx@tempa}\abx@tempb}
\newbibmacro*{journal+issue+year+pages}{%
\usebibmacro{journal+ser+vol+num}%
\setunit{\addspace}%
\printtext[parens]{%
\iffieldundef{issue}%
{\iffieldundef{month}%
{\printfield{year}\clearfield{year}}%
{\iffieldundef{day}%
{\printfield{month}\clearfield{month}%
\setunit{\addspace}%
\printfield{year}\clearfield{year}}%
{\printtext{\bibdate}\clearfield{year}\clearfield{month}\clearfield{day}}}}%
{\printfield{issue}%
\setunit{\addspace}%
\printfield{year}\clearfield{year}}}%
\newunit%
\printfield{pages}}
\renewbibmacro*{url+urldate}{%
\printfield[mla:capital:web]{url}\clearfield{url}%
\printunit{\addperiod\space}\newblock%
\iffieldundef{urlyear}{}{\bibstring{urlseen}\space\printurldate\clearfield{urlyear}}%
}
\newbibmacro*{mla:container:top}{%
\usebibmacro{bibindex}%
\usebibmacro{author/editor+others/translator+others}% bibnamedash
\setunit{\addperiod\space}\newblock%
\ifthenelse{\iffieldequalstr{entrytype}{suppbook}%
\OR\iffieldequalstr{entrytype}{suppcollection}}%
{\usebibmacro{title}%
\printunit{\addperiod\space}\newblock%
\printfield[mla:capital]{entrysubtype}}% 2.0 adjusted to show both title and entrysubtype
{\ifentrytype{book}
{\usebibmacro{booktitle}}
{\usebibmacro{maintitle+booktitle}}}%
\newunit%
% \usebibmacro{byauthor}%
\printunit{\addperiod\space}\newblock%
\ifthenelse{\ifentrytype{letter}}
{\usebibmacro{mla:archival}\newunit}
{}
}
\newbibmacro*{mla:imageholder:top}{% 2.1 used for works containing a cited image
\ifthenelse{\iffieldequalstr{entrytype}{suppbook}%
\OR\iffieldequalstr{entrytype}{suppcollection}}%
{\usebibmacro{title}%
\printunit{\addperiod\space}\newblock%
\printfield[mla:capital]{entrysubtype}}%
{\ifentrytype{book}
{\usebibmacro{booktitle}}
{\usebibmacro{maintitle+booktitle}}}%
\newunit%
\usebibmacro{byauthor}%
\newunit%
}
\newbibmacro*{mla:container:one}{%
\ifthenelse{\iffieldequalstr{entrytype}{software}}%
{\usebibmacro{mla:container:software}}%
{\usebibmacro{mla:article:journal+issuetitle}}%
\newunit\newblock
\printfield{note}\clearfield{note}%
\newunit%
\printfield{pages}%
\newunit%
\ifthenelse{\iffieldundef{eprinttype}\OR%
\(\iffieldundef{eprinttype}\AND%
\iffieldundef{eprint}\)}%
{}%\usebibmacro{url+urldate}}% mla9 - drop
{}%
}
\newbibmacro*{mla:container:two}{%
\usebibmacro{mla:isbn/issn+doi+eprint}%
\ifthenelse{\iffieldequalstr{entrytype}{software}}%
{\ifthenelse{\iffieldundef{eventyear}}
{}
{\bibstring{urlseen}\space\printeventdate%
\clearfield{eventyear}\clearfield{eventmonth}\clearfield{eventday}}}% 2.1
{}%
\newunit
\printfield{note}\clearfield{note}%
\newunit
\usebibmacro{url+urldate}%
\newunit
\printfield{addendum}%
\printunit{\addperiod\space}\newblock%
\usebibmacro{pageref}%
}
\newbibmacro*{mla:container:software}{%
\newunit\newblock
\printfield{version}\clearfield{version}%
\newunit%
\printlist{publisher}\clearlist{publisher}
}
\DeclareFieldFormat{titlea}{\mkbibemph{#1}}
\DeclareFieldFormat{titleb}{\mkbibemph{#1}}
\DeclareFieldFormat[mlasource]{mla:unstyled}{#1}
\DeclareFieldFormat[mlasource]{mla:complete}{\mkbibemph{#1}}
\DeclareFieldFormat[mlasource]{mla:part}{\mkbibquote{#1}}
\newbibmacro*{mla:source}{%
\usebibmacro{bibindex}%
\usebibmacro{author/editor+others/translator+others}%
\setunit{\addperiod\space}\newblock%
\iffieldundef{titletype}
{\iffieldundef{titlea}
{\printfield[mla:complete]{title}}
{\printfield[mla:part]{title}}}
{\printfield[mla:\thefield{titletype}]{title}}
\setunit{\addperiod\space}\newblock%
\printfield[noformat]{supplemental}
}
\newbibmacro*{mla:containera}{%
\printfield{titlea}%
\newunit\newblock
\printfield{contributora}%
\newunit\newblock
\printfield{versiona}%
\newunit\newblock
\printfield{numbera}%
\newunit\newblock
\printfield{publishera}%
\newunit\newblock
\printfield{datea}%
\newunit\newblock
\printfield{locationa}%
\newunit\newblock
\printfield{supplementala}%
}
\newbibmacro*{mla:containerb}{%
\printfield{titleb}%
\newunit
\printfield{contributorb}%
\newunit
\printfield{versionb}%
\newunit
\printfield{numberb}%
\newunit
\printfield{publisherb}%
\newunit
\printfield{dateb}%
\newunit
\printfield{locationb}%
\newunit
\printfield{supplementalb}%
}
\DeclareBibliographyDriver{mlasource}{%
\usebibmacro{mla:source}%
\printunit{\addperiod\space}\newblock%
\usebibmacro{mla:containera}%
\printunit{\addperiod\space}\newblock%
\usebibmacro{mla:containerb}%
\usebibmacro{finentry}}
\DeclareBibliographyDriver{book}{%
\usebibmacro{mla:container:top}%
\printunit{\addperiod\space}\newblock%
\newunit{}%
\usebibmacro{test:mla:delayed}% 2.1 new test and toggle
\usebibmacro{byauthor}% 2.1 moved
\newunit{}%
\usebibmacro{bytranslator+others}%
\newunit%
\usebibmacro{byeditor+others}%
\newunit%
\printfield{edition}\isdot%
\newunit%
\iffieldundef{maintitle}% 2.1
% \iftoggle{mla:delayed}% 2.1
% \ifnumcomp{\value{containing}}{<}{2}% 2.1
{\printfield{volume}\clearfield{volume}\printfield{part}}%
{}%
% \newunit%
% \iffieldundef{volume}{\printfield{volumes}\clearfield{volumes}}{}%% 2.0 undefined to show later
\newunit%
\printfield{note}%
\newunit%
\iftoggle{mla:delayed}%
{}%
{\printfield{version}\clearfield{version}%
\newunit%
\iftoggle{bbx:showlocation}%
{\printlist{location}\clearlist{location}}%
{}%
\newunit%
\printlist{publisher}\clearlist{publisher}%
\newunit%
\printlist{institution}\clearlist{institution}}%
\newunit%
\usebibmacro{mla:date}%
% \printdate\clearfield{year}\clearfield{month}\clearfield{day}%
\newunit%
\printfield{pages}% really?
\newunit\newblock%
\usebibmacro{mla:isbn/issn+doi+eprint}%
\newunit%
\usebibmacro{url+urldate}%
\newunit%
\iffieldundef{origtitle}%
{}%
{\usebibmacro{mla:reprint}}%
\setunit{\addperiod\addspace}%
% \ifthenelse{\NOT\iffieldundef{volume}%
% \AND\NOT\iffieldundef{maintitle}}% 2.1
% {\printfield{volume}\clearfield{volume}%
% \setunit{\addspace\bibstring{ofseries}\addspace}%
% \usebibmacro{mla:multivolumes}}%
% {}%
% \newunit%
\usebibmacro{mla:series+maintitle+combo}% 2.1
% \newunit%
% \iffieldundef{volumes}%
% {}%
% {\usebibmacro{mla:multivolumes}}% mla:series+maintitle+combo
\newunit%
\printfield[mla:sentence-case]{addendum}%
\newunit%
\usebibmacro{pageref}%
\newunit%
\usebibmacro{finentry}}
\DeclareBibliographyDriver{article}{%
\usebibmacro{mla:container:top}%
\printunit{\addperiod\space}\newblock%
\ifnameundef{translator}% 2.1 include article translator
{}
{\usebibmacro{bytranslator+othersstrg}%
\setunit{\addspace}%
\ifnamesequal{labelname}{translator}%
{\printnames[mla:last]{translator}}%
{\printnames[byauthor]{translator}}%
\clearname{translator}}%
\printunit{\addperiod\space}\newblock%
\usebibmacro{mla:container:one}%
\ifthenelse{\iffieldequalstr{entrysubtype}{newspaper} \or \iffieldequalstr{entrysubtype}{magazine} \or \iffieldequalstr{entrysubtype}{blog} \or \iffieldequalstr{entrysubtype}{comment} \or \iffieldequalstr{entrysubtype}{online} \or \iffieldequalstr{entrytype}{online} \or \iffieldequalstr{entrytype}{software}}%
{\printunit{\addcomma\space}\newblock}% 2.1
{\printunit{\addperiod\space}\newblock}%
\usebibmacro{mla:container:two}%
\usebibmacro{finentry}}
\newbibmacro*{test:mla:delayed}{% 2.1
\setcounter{containing}{0}
\ifthenelse{\iffieldequalstr{editortype}{generaleditor}\OR%
\iffieldequalstr{editoratype}{generaleditor}\OR%
\iffieldequalstr{editorbtype}{generaleditor}\OR%
\iffieldequalstr{editorctype}{generaleditor}}%
{\addtocounter{containing}{1}}%
{}%
\ifthenelse{\NOT\iffieldundef{maintitle}\AND%
\(\NOT\iffieldundef{booktitle}\OR
\NOT\iffieldundef{title}\)}%
{\addtocounter{containing}{1}}%
{}%
\ifthenelse{\NOT\iffieldundef{eventdate}}%
{\addtocounter{containing}{1}}%
{}%
\ifthenelse{\NOT\iffieldundef{volumes}}%
{\addtocounter{containing}{1}}%
{}%
\ifthenelse{\NOT\iffieldundef{volume}}%
{\addtocounter{containing}{1}}%
{}%
\iftoggle{del:p}% if delay plus
{\addtocounter{containing}{10}}
{}
\iftoggle{del:m}% if delay minus
{\addtocounter{containing}{-10}}
{}
\ifnumcomp{\value{containing}}{>}{2}%
{\settoggle{mla:delayed}{true}}%
{\settoggle{mla:delayed}{false}}%
}
\DeclareBibliographyDriver{periodical}{%
\usebibmacro{bibindex}%
\usebibmacro{author/editor+others/translator+others}%
\setunit{\addperiod\space}\newblock%
\usebibmacro{mla:article:journal+issuetitle}%
\newunit\newblock%
\printfield{note}%
\newunit%
\printfield{pages}%
\newunit\newblock%
\usebibmacro{mla:isbn/issn+doi+eprint}%
\newunit\newblock%
\usebibmacro{url+urldate}%
\newunit\newblock%
\printfield{addendum}%
\newunit\newblock%
\usebibmacro{pageref}%
\newunit%
\usebibmacro{finentry}}
\newbibmacro*{mla:date}{% 2.1
\iftoggle{bbx:datebrackets}%
{\printtext[date:brackets]{\printdate}}%
{\printdate}%
\clearfield{year}%
}%
\newbibmacro*{mla:reprint}{%
\iffieldundef{origtitle}%
{\newunit}%
{\iflistundef{origlanguage}
{\setunit{\newunitpunct\bibstring{reprintof}\addspace}}%
{\setunit{\newunitpunct\bibstring{translationof}\addspace}}%
}%
\printfield[title:\strfield{entrytype}]{origtitle}%
\newunit\newblock%
\iffieldequalstr{entrysubtype}{artwork}%
{}%
{\printlist{origlocation}\clearlist{origlocation}%
\newunit%
\printlist{origpublisher}\clearlist{origpublisher}%
\newunit}%
\ifbool{bbx@mla-incollection}%
{\ifthenelse{\iffieldequalstr{entrytype}{music}\OR%
\iffieldequalstr{entrytype}{audio}}%
{\iffieldundef{origyear}%
{}%
{\bibstring{recorded}% platypus - localize this
\addspace%
\printorigdate\clearfield{origyear}}}%
{%\printfield[bibliography:origyear]{origyear}
\printorigdate\clearfield{origyear}%
\newunit%
\iffieldequalstr{entrysubtype}{artwork}%
{\printlist{institution}\clearlist{institution}%
\newunit%
\printlist{origlocation}\clearlist{location}}%
{}
}%
}%
{\ifthenelse{\iffieldundef{volume}\OR\iffieldundef{volumes}}%
{\printorigdate\clearfield{origyear}}%
{}%
}%
}
\newbibmacro*{mla:multivolumes}{% 2.0 improvement for mla-compliant multivolumes
\usebibmacro{maintitle}%
\newunit%
\usebibmacro{mla:generaleditor}%
\newunit%
\printfield{volume}%
\newunit%
\printfield{version}\clearfield{version}%
\newunit%
\iftoggle{bbx:showlocation}%
{\printlist{location}\clearlist{location}}%
{}%
\newunit%
\printlist{publisher}\clearlist{publisher}%
\newunit%
\printeventdate\clearfield{eventyear}%
\setunit{\addperiod\addspace}%
\iffieldequalstr{eventendyear}{}%
{\printfield[openrangevolumes]{volumes}\clearfield{volumes}}%
{\printfield{volumes}\clearfield{volumes}}%
}
\renewbibmacro*{byeditorx}{%