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