mirror of
https://github.com/pds-nest/nest.git
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390 lines
13 KiB
TeX
390 lines
13 KiB
TeX
\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{footnotehyper-sphinx}%
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[2021/02/04 v1.1d hyperref aware footnote.sty for sphinx (JFB)]
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%%
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%% Package: footnotehyper-sphinx
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%% Version: based on footnotehyper.sty 2021/02/04 v1.1d
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%% as available at https://www.ctan.org/pkg/footnotehyper
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%% License: the one applying to Sphinx
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%%
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%% Refer to the PDF documentation at https://www.ctan.org/pkg/footnotehyper for
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%% the code comments.
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%%
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%% Differences:
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%% 1. a partial tabulary compatibility layer added (enough for Sphinx mark-up),
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%% 2. use of \spx@opt@BeforeFootnote from sphinx.sty,
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%% 3. use of \sphinxunactivateextrasandspace from sphinx.sty,
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%% 4. macro definition \sphinxfootnotemark,
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%% 5. macro definition \sphinxlongtablepatch
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%% 6. replaced some \undefined by \@undefined
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\newif\iffootnotehyperparse\footnotehyperparsetrue
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\DeclareOption*{\PackageWarning{footnotehyper-sphinx}{Option `\CurrentOption' is unknown}}%
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\ProcessOptions\relax
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\newbox\FNH@notes
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\newtoks\FNH@toks % 1.1c
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\newdimen\FNH@width
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\let\FNH@colwidth\columnwidth
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\newif\ifFNH@savingnotes
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\AtBeginDocument {%
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\let\FNH@latex@footnote \footnote
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\let\FNH@latex@footnotetext\footnotetext
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\let\FNH@H@@footnotetext \@footnotetext
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\let\FNH@H@@mpfootnotetext \@mpfootnotetext
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\newenvironment{savenotes}
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{\FNH@savenotes\ignorespaces}{\FNH@spewnotes\ignorespacesafterend}%
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\let\spewnotes \FNH@spewnotes
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\let\footnote \FNH@footnote
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\let\footnotetext \FNH@footnotetext
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\let\endfootnote \FNH@endfntext
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\let\endfootnotetext\FNH@endfntext
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\@ifpackageloaded{hyperref}
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{\ifHy@hyperfootnotes
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\let\FNH@H@@footnotetext\H@@footnotetext
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\let\FNH@H@@mpfootnotetext\H@@mpfootnotetext
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\else
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\let\FNH@hyper@fntext\FNH@nohyp@fntext
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\fi}%
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{\let\FNH@hyper@fntext\FNH@nohyp@fntext}%
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}%
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\def\FNH@hyper@fntext{\FNH@fntext\FNH@hyper@fntext@i}%
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\def\FNH@nohyp@fntext{\FNH@fntext\FNH@nohyp@fntext@i}%
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\def\FNH@fntext #1{%
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\ifx\ifmeasuring@\@undefined
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\expandafter\@secondoftwo\else\expandafter\@firstofone\fi
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% these two lines modified for Sphinx (tabulary compatibility):
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{\ifmeasuring@\expandafter\@gobbletwo\else\expandafter\@firstofone\fi}%
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{\ifx\equation$\expandafter\@gobbletwo\fi #1}%$
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}%
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\long\def\FNH@hyper@fntext@i#1{%
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\global\setbox\FNH@notes\vbox
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{\unvbox\FNH@notes
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\FNH@startnote
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\@makefntext
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{\rule\z@\footnotesep\ignorespaces
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\ifHy@nesting\expandafter\ltx@firstoftwo
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\else\expandafter\ltx@secondoftwo
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\fi
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{\expandafter\hyper@@anchor\expandafter{\Hy@footnote@currentHref}{#1}}%
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{\Hy@raisedlink
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{\expandafter\hyper@@anchor\expandafter{\Hy@footnote@currentHref}%
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{\relax}}%
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\let\@currentHref\Hy@footnote@currentHref
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\let\@currentlabelname\@empty
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#1}%
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\@finalstrut\strutbox
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}%
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\FNH@endnote
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}%
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}%
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\long\def\FNH@nohyp@fntext@i#1{%
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\global\setbox\FNH@notes\vbox
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{\unvbox\FNH@notes
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\FNH@startnote
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\@makefntext{\rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
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\FNH@endnote
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}%
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}%
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\def\FNH@startnote{%
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\hsize\FNH@colwidth
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\interlinepenalty\interfootnotelinepenalty
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\reset@font\footnotesize
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\floatingpenalty\@MM
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\@parboxrestore
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\protected@edef\@currentlabel{\csname p@\@mpfn\endcsname\@thefnmark}%
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\color@begingroup
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}%
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\def\FNH@endnote{\color@endgroup}%
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\def\FNH@savenotes{%
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\begingroup
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\ifFNH@savingnotes\else
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\FNH@savingnotestrue
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\let\@footnotetext \FNH@hyper@fntext
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\let\@mpfootnotetext \FNH@hyper@fntext
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\let\H@@mpfootnotetext\FNH@nohyp@fntext
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\FNH@width\columnwidth
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\let\FNH@colwidth\FNH@width
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\global\setbox\FNH@notes\box\voidb@x
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\let\FNH@thempfn\thempfn
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\let\FNH@mpfn\@mpfn
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\ifx\@minipagerestore\relax\let\@minipagerestore\@empty\fi
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\expandafter\def\expandafter\@minipagerestore\expandafter{%
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\@minipagerestore
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\let\thempfn\FNH@thempfn
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\let\@mpfn\FNH@mpfn
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}%
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\fi
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}%
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\def\FNH@spewnotes {%
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\if@endpe\ifx\par\@@par\FNH@toks{}\else
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\FNH@toks\expandafter{\expandafter
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\def\expandafter\par\expandafter{\par}\@endpetrue}%
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\expandafter\expandafter\expandafter
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\FNH@toks
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\expandafter\expandafter\expandafter
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{\expandafter\the\expandafter\FNH@toks
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\expandafter\def\expandafter\@par\expandafter{\@par}}%
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\expandafter\expandafter\expandafter
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\FNH@toks
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\expandafter\expandafter\expandafter
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{\expandafter\the\expandafter\FNH@toks
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\expandafter\everypar\expandafter{\the\everypar}}\fi
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\else\FNH@toks{}\fi
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\expandafter
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\endgroup\the\FNH@toks
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\ifFNH@savingnotes\else
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\ifvoid\FNH@notes\else
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\begingroup
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\let\@makefntext\@empty
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\let\@finalstrut\@gobble
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\let\rule\@gobbletwo
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\ifx\@footnotetext\@mpfootnotetext
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\expandafter\FNH@H@@mpfootnotetext
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\else
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\expandafter\FNH@H@@footnotetext
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\fi{\unvbox\FNH@notes}%
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\endgroup
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\fi
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\fi
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}%
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\def\FNH@footnote@envname {footnote}%
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\def\FNH@footnotetext@envname{footnotetext}%
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\def\FNH@footnote{%
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% this line added for Sphinx:
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\spx@opt@BeforeFootnote
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\ifx\@currenvir\FNH@footnote@envname
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\expandafter\FNH@footnoteenv
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\else
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\expandafter\FNH@latex@footnote
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\fi
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}%
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\def\FNH@footnoteenv{%
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% this line added for Sphinx (footnotes in parsed literal blocks):
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\catcode13=5 \sphinxunactivateextrasandspace
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\@ifnextchar[%
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\FNH@footnoteenv@i %]
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{\stepcounter\@mpfn
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\protected@xdef\@thefnmark{\thempfn}%
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\@footnotemark
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\def\FNH@endfntext@fntext{\@footnotetext}%
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\FNH@startfntext}%
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}%
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\def\FNH@footnoteenv@i[#1]{%
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\begingroup
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\csname c@\@mpfn\endcsname #1\relax
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\unrestored@protected@xdef\@thefnmark{\thempfn}%
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\endgroup
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\@footnotemark
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\def\FNH@endfntext@fntext{\@footnotetext}%
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\FNH@startfntext
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}%
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\def\FNH@footnotetext{%
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\ifx\@currenvir\FNH@footnotetext@envname
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\expandafter\FNH@footnotetextenv
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\else
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\expandafter\FNH@latex@footnotetext
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\fi
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}%
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\def\FNH@footnotetextenv{%
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\@ifnextchar[%
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\FNH@footnotetextenv@i %]
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{\protected@xdef\@thefnmark{\thempfn}%
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\def\FNH@endfntext@fntext{\@footnotetext}%
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\FNH@startfntext}%
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}%
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\def\FNH@footnotetextenv@i[#1]{%
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\begingroup
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\csname c@\@mpfn\endcsname #1\relax
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\unrestored@protected@xdef\@thefnmark{\thempfn}%
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\endgroup
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\ifFNH@savingnotes
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\def\FNH@endfntext@fntext{\FNH@nohyp@fntext}%
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\else
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\def\FNH@endfntext@fntext{\FNH@H@@footnotetext}%
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\fi
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\FNH@startfntext
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}%
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\def\FNH@startfntext{%
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\setbox\z@\vbox\bgroup
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\FNH@startnote
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\FNH@prefntext
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\rule\z@\footnotesep\ignorespaces
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}%
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\def\FNH@endfntext {%
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\@finalstrut\strutbox
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\FNH@postfntext
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\FNH@endnote
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\egroup
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\begingroup
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\let\@makefntext\@empty\let\@finalstrut\@gobble\let\rule\@gobbletwo
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\FNH@endfntext@fntext {\unvbox\z@}%
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\endgroup
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}%
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\let\FNH@prefntext\@empty
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\let\FNH@postfntext\@empty
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\AtBeginDocument{\iffootnotehyperparse\expandafter\FNH@check\fi}%
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\def\FNH@safeif#1{%
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\iftrue\csname if#1\endcsname\csname fi\endcsname\expandafter\@firstoftwo
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\else\csname fi\endcsname\expandafter\@secondoftwo
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\fi
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}%
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\def\FNH@check{%
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\ifx\@makefntextFB\@undefined\expandafter\FNH@check@
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\else\expandafter\FNH@frenchb@
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\fi
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}%
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\def\FNH@frenchb@{%
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\def\FNH@prefntext{%
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\localleftbox{}%
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\let\FBeverypar@save\FBeverypar@quote
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\let\FBeverypar@quote\relax
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\FNH@safeif{FB@koma}%
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{\FNH@safeif{FBFrenchFootnotes}%
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{\ifx\footnote\thanks
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\let\@@makefnmark\@@makefnmarkTH
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\@makefntextTH{} % space as in french.ldf
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\else
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\let\@@makefnmark\@@makefnmarkFB
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\@makefntextFB{} % space as in french.ldf
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\fi
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}{\let\@@makefnmark\@@makefnmarkORI
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\@makefntextORI{}% no space as in french.ldf
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}%
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}%
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{\FNH@safeif{FBFrenchFootnotes}%
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{\@makefntextFB{}}%
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{\@makefntextORI{}}%
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}%
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}%
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\def\FNH@postfntext{%
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\let\FBeverypar@quote\FBeverypar@save
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\localleftbox{\FBeveryline@quote}%
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}%
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}%
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\def\FNH@check@{%
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\expandafter\FNH@check@a\@makefntext{1.2!3?4,}%
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\FNH@@@1.2!3?4,\FNH@@@\relax
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}%
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\long\def\FNH@check@a #11.2!3?4,#2\FNH@@@#3{%
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\ifx\relax#3\expandafter\FNH@checkagain@
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\else
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\def\FNH@prefntext{#1}\def\FNH@postfntext{#2}%
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\expandafter\FNH@check@b
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\fi
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}%
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\def\FNH@checkagain@{%
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\expandafter\FNH@checkagain@a
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\detokenize\expandafter{\@makefntext{1.2!3?4,}}\relax\FNH@@@
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}%
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\edef\FNH@temp{\noexpand\FNH@checkagain@a ##1\string{1.2!3?4,\string}}%
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\expandafter\def\FNH@temp#2#3\FNH@@@{%
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\ifx\relax#2%
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\def\FNH@prefntext{\@makefntext{}}%
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\else\FNH@bad@makefntext@alert
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\fi
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}%
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\def\FNH@check@b #1\relax{%
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\expandafter\expandafter\expandafter\FNH@check@c
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\expandafter\meaning\expandafter\FNH@prefntext
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\meaning\FNH@postfntext1.2!3?4,\FNH@check@c\relax
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}%
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\def\FNH@check@c #11.2!3?4,#2#3\relax{%
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\ifx\FNH@check@c#2\else\FNH@bad@makefntext@alert\fi
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}%
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% slight reformulation for Sphinx
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\def\FNH@bad@makefntext@alert{%
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\PackageWarningNoLine{footnotehyper-sphinx}%
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{Footnotes will be sub-optimal, sorry. This is due to the document class or^^J
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some package modifying macro \string\@makefntext.^^J
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You can try to report this incompatibility at^^J
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https://github.com/sphinx-doc/sphinx with this info:}%
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\typeout{\meaning\@makefntext}%
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\let\FNH@prefntext\@empty\let\FNH@postfntext\@empty
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}%
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% this macro from original footnote.sty is not used anymore by Sphinx
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% but for simplicity sake let's just keep it as is
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\def\makesavenoteenv{\@ifnextchar[\FNH@msne@ii\FNH@msne@i}%]
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\def\FNH@msne@i #1{%
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\expandafter\let\csname FNH$#1\expandafter\endcsname %$
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\csname #1\endcsname
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\expandafter\let\csname endFNH$#1\expandafter\endcsname %$
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\csname end#1\endcsname
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\FNH@msne@ii[#1]{FNH$#1}%$
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}%
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\def\FNH@msne@ii[#1]#2{%
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\expandafter\edef\csname#1\endcsname{%
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\noexpand\savenotes
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\expandafter\noexpand\csname#2\endcsname
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}%
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\expandafter\edef\csname end#1\endcsname{%
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\expandafter\noexpand\csname end#2\endcsname
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\noexpand\expandafter
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\noexpand\spewnotes
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\noexpand\if@endpe\noexpand\@endpetrue\noexpand\fi
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}%
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}%
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% some extras for Sphinx :
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% \sphinxfootnotemark: usable in section titles and silently removed from TOCs.
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\def\sphinxfootnotemark [#1]%
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{\ifx\thepage\relax\else\sphinxfootref{#1}\fi}%
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% \sphinxfootref:
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% - \spx@opt@BeforeFootnote is from BeforeFootnote sphinxsetup option
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% - \ref:
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% the latex.py writer inserts a \phantomsection\label{<scope>.<num>}
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% whenever
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% - the footnote was explicitly numbered in sources,
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% - or it was in restrained context and is rendered using footnotetext
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%
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% These are the two types of footnotes that \sphinxfootnotemark must
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% handle. But for explicitly numbered footnotes the same number
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% can be found in document. So a secondary part in <scope> is updated
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% at each novel such footnote to know what is the target from then on
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% for \sphinxfootnotemark and already encountered [1], or [2],...
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%
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% LaTeX package varioref is not supported by hyperref (from its doc: "There
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% are too many problems with varioref. Nobody has time to sort them out.
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% Therefore this package is now unsupported.") So we will simply use our own
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% macros to access the page number of footnote text and decide whether to print
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% it. \pagename is internationalized by latex-babel.
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\def\spx@thefnmark#1#2{%
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% #1=label for reference, #2=page where footnote was printed
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\ifx\spx@tempa\spx@tempb
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% same page
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#1%
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\else
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\sphinxthefootnotemark{#1}{#2}%
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\fi
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}%
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\def\sphinxfootref@get #1#2#3#4#5\relax{%
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\def\sphinxfootref@label{#1}%
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\def\sphinxfootref@page {#2}%
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\def\sphinxfootref@Href {#4}%
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}%
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\protected\def\sphinxfootref#1{% #1 always explicit number in Sphinx usage
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\spx@opt@BeforeFootnote
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\ltx@ifundefined{r@\thesphinxscope.#1}%
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{\gdef\@thefnmark{?}\H@@footnotemark}%
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{\expandafter\expandafter\expandafter\sphinxfootref@get
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\csname r@\thesphinxscope.#1\endcsname\relax
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\edef\spx@tempa{\thepage}\edef\spx@tempb{\sphinxfootref@page}%
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\protected@xdef\@thefnmark{\spx@thefnmark{\sphinxfootref@label}{\sphinxfootref@page}}%
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\let\spx@@makefnmark\@makefnmark
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\def\@makefnmark{%
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\hyper@linkstart{link}{\sphinxfootref@Href}%
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\spx@@makefnmark
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\hyper@linkend
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}%
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\H@@footnotemark
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\let\@makefnmark\spx@@makefnmark
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}%
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}%
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\AtBeginDocument{%
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% let hyperref less complain
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\pdfstringdefDisableCommands{\def\sphinxfootnotemark [#1]{}}%
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% to obtain hyperlinked footnotes in longtable environment we must replace
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% hyperref's patch of longtable's patch of \@footnotetext by our own
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\let\LT@p@ftntext\FNH@hyper@fntext
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% this *requires* longtable to be used always wrapped in savenotes environment
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}%
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\endinput
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%%
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%% End of file `footnotehyper-sphinx.sty'.
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