\ProvidesFile{csq-compat.def}
  [2019-12-06 v5.2j csquotes backwards compatibility (JAW)]

\def\csq@getversion#1{%
  \expandafter\csq@getversion@i
  \expandafter{\csq@vertonum#1\relax}}

\def\csq@getversion@i#1{%
  \ifcsdef{csq@version@#1}
    {\csq@info{Enabling v\csq@numtover#1\relax\space mode}%
     \csuse{csq@version@#1}}
    {\ifnumless{#1+1}\csq@version
       {\expandafter\csq@getversion@i
        \expandafter{\the\numexpr#1+1}}
       {\expandafter\csq@getversion@i
        \expandafter{\csq@version}}}}

\def\csq@vertonum#1.#2\relax{#1#2}
\def\csq@numtover#1#2\relax{#1.#2}

\csdef{csq@version@\csq@version}{%
  \DeclareAutoPunct{.,;:!?}%
  \renewcommand{\mktextquote}[6]{##1##2##4##3##6##5}%
  \renewcommand{\mkblockquote}[4]{##1##2##4##3}%
  \renewcommand{\mkbegdispquote}[2]{}%
  \renewcommand{\mkenddispquote}[2]{##2##1}%
  \renewcommand{\mkcitation}[1]{\space(##1)}%
  \ifdef\csq@leg@DeclarePlainStyle
    {\let\DeclarePlainStyle\csq@leg@DeclarePlainStyle
     \undef\csq@leg@DeclarePlainStyle}
    {}}

\csdef{csq@version@44}{%
  \DeclareAutoPunct{}%
  \providecommand*{\ifstringblank}{\ifblank}%
  \providecommand*{\ifquotepunct}{\ifpunct}%
  \providecommand*{\ifquoteterm}{\ifterm}%
  \providecommand*{\ifquotecomma}{\ifpunctmark{,}}%
  \providecommand*{\ifquotesemicolon}{\ifpunctmark{;}}%
  \providecommand*{\ifquotecolon}{\ifpunctmark{:}}%
  \providecommand*{\ifquoteperiod}{\ifpunctmark{.}}%
  \providecommand*{\ifquoteexclam}{\ifpunctmark{!}}%
  \providecommand*{\ifquotequestion}{\ifpunctmark{?}}%
  \providecommand*{\setblockthreshold}{\SetBlockThreshold}%
  \providecommand*{\setblockenvironment}{\SetBlockEnvironment}%
  \providecommand*{\RestoreQuotes}{\EnableQuotes}%
  \providecommand*{\@restorequotes}{\@enablequotes}%
  \providecommand*{\cquote}{\textcquote}%
  \providecommand*{\foreigncquote}{\foreigntextcquote}%
  \providecommand*{\hyphencquote}{\hyphentextcquote}%
  \providecommand*{\mkpretextpunct}[1]{}%
  \providecommand*{\mkmidtextpunct}[1]{}%
  \providecommand*{\mkfintextpunct}[1]{##1}%
  \providecommand*{\mkpreblockpunct}[1]{}%
  \providecommand*{\mkmidblockpunct}[1]{}%
  \providecommand*{\mkfinblockpunct}[1]{##1}%
  \providecommand*{\mkpredisppunct}[1]{}%
  \providecommand*{\mkmiddisppunct}[1]{}%
  \providecommand*{\mkfindisppunct}[1]{##1}%
  \providecommand*{\quotetext}{}%
  \let\endquotetext\@empty
  \providecommand*{\quoteblock}{}%
  \let\endquoteblock\@empty
  \renewcommand{\mktextquote}[6]{%
    ##1\quotetext##2\endquotetext\mkpretextpunct{##4}%
    ##3\mkmidtextpunct{##4}##6\mkfintextpunct{##4}##5}
  \renewcommand{\mkblockquote}[4]{%
    \quoteblock##1\endquoteblock\mkpreblockpunct{##2}%
    \mkmidblockpunct{##2}##4\mkfinblockpunct{##2}##3}
  \renewcommand{\mkbegdispquote}[2]{\quoteblock}
  \renewcommand{\mkenddispquote}[2]{%
    \endquoteblock\mkpredisppunct{##1}%
    \mkmiddisppunct{##1}##2\mkfindisppunct{##1}}%
  \renewcommand{\mkcitation}[1]{\space(##1)}%
  \ifdef\csq@leg@DeclarePlainStyle
    {\let\DeclarePlainStyle\csq@leg@DeclarePlainStyle
     \undef\csq@leg@DeclarePlainStyle}
    {}}

\csdef{csq@version@36}{%
  \csuse{csq@version@44}%
  \providecommand{\blockcite}[1]{\space(##1)}%
  \renewcommand*{\mkcitation}{\blockcite}%
  \ifdef\csq@leg@DeclarePlainStyle
    {\let\DeclarePlainStyle\csq@leg@DeclarePlainStyle
     \undef\csq@leg@DeclarePlainStyle}
    {}}

\csdef{csq@version@30}{%
  \csuse{csq@version@36}%
  \ifdef\csq@leg@DeclarePlainStyle
    {}
    {\let\csq@leg@DeclarePlainStyle\DeclarePlainStyle
     \renewrobustcmd*{\DeclarePlainStyle}[2]{%
       \csq@leg@DeclarePlainStyle{##1}{##1}{##2}{##2}}}}

\csdef{csq@version@29}{%
  \csq@error
    {Incompatible version}
    {Backwards compatibility with versions
     prior to 3.0 not supported}}

\endinput
