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%% ALPHANUMERIC LIST ITEMS
%
% change this info string if making any custom modification
\ProvidesFile{sphinxlatexlists.sty}[2021/01/27 lists]
% Provides support for this output mark-up from Sphinx latex writer:
% - \sphinxsetlistlabels
% Dependencies: the \spx@opt@maxlistdepth from sphinx.sty
\newcommand\sphinxsetlistlabels[5]
{% #1 = style, #2 = enum, #3 = enumnext, #4 = prefix, #5 = suffix
% #2 and #3 are counters used by enumerate environement e.g. enumi, enumii.
% #1 is a macro such as \arabic or \alph
% prefix and suffix are strings (by default empty and a dot).
\@namedef{the#2}{#1{#2}}%
\@namedef{label#2}{#4\@nameuse{the#2}#5}%
\@namedef{p@#3}{\@nameuse{p@#2}#4\@nameuse{the#2}#5}%
}%
%% MAXLISTDEPTH
%
% remove LaTeX's cap on nesting depth if 'maxlistdepth' key used.
% This is a hack, which works with the standard classes: it assumes \@toodeep
% is always used in "true" branches: "\if ... \@toodeep \else .. \fi."
% will force use the "false" branch (if there is one)
\def\spx@toodeep@hack{\fi\iffalse}
% do nothing if 'maxlistdepth' key not used or if package enumitem loaded.
\ifnum\spx@opt@maxlistdepth=\z@\expandafter\@gobbletwo\fi
\AtBeginDocument{%
\@ifpackageloaded{enumitem}{\remove@to@nnil}{}%
\let\spx@toodeepORI\@toodeep
\def\@toodeep{%
\ifnum\@listdepth<\spx@opt@maxlistdepth\relax
\expandafter\spx@toodeep@hack
\else
\expandafter\spx@toodeepORI
\fi}%
% define all missing \@list... macros
\count@\@ne
\loop
\ltx@ifundefined{@list\romannumeral\the\count@}
{\iffalse}{\iftrue\advance\count@\@ne}%
\repeat
\loop
\ifnum\count@>\spx@opt@maxlistdepth\relax\else
\expandafter\let
\csname @list\romannumeral\the\count@\expandafter\endcsname
\csname @list\romannumeral\the\numexpr\count@-\@ne\endcsname
% workaround 2.6--3.2d babel-french issue (fixed in 3.2e; no change needed)
\ltx@ifundefined{leftmargin\romannumeral\the\count@}
{\expandafter\let
\csname leftmargin\romannumeral\the\count@\expandafter\endcsname
\csname leftmargin\romannumeral\the\numexpr\count@-\@ne\endcsname}{}%
\advance\count@\@ne
\repeat
% define all missing enum... counters and \labelenum... macros and \p@enum..
\count@\@ne
\loop
\ltx@ifundefined{c@enum\romannumeral\the\count@}
{\iffalse}{\iftrue\advance\count@\@ne}%
\repeat
\loop
\ifnum\count@>\spx@opt@maxlistdepth\relax\else
\newcounter{enum\romannumeral\the\count@}%
\expandafter\def
\csname labelenum\romannumeral\the\count@\expandafter\endcsname
\expandafter
{\csname theenum\romannumeral\the\numexpr\count@\endcsname.}%
\expandafter\def
\csname p@enum\romannumeral\the\count@\expandafter\endcsname
\expandafter
{\csname p@enum\romannumeral\the\numexpr\count@-\@ne\expandafter
\endcsname\csname theenum\romannumeral\the\numexpr\count@-\@ne\endcsname.}%
\advance\count@\@ne
\repeat
% define all missing labelitem... macros
\count@\@ne
\loop
\ltx@ifundefined{labelitem\romannumeral\the\count@}
{\iffalse}{\iftrue\advance\count@\@ne}%
\repeat
\loop
\ifnum\count@>\spx@opt@maxlistdepth\relax\else
\expandafter\let
\csname labelitem\romannumeral\the\count@\expandafter\endcsname
\csname labelitem\romannumeral\the\numexpr\count@-\@ne\endcsname
\advance\count@\@ne
\repeat
\PackageInfo{sphinx}{maximal list depth extended to \spx@opt@maxlistdepth}%
\@gobble\@nnil
}
\endinput
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