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Fix #10695: old LaTeX does not allow \@ifpackageloaded usage in body #10696

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merged 2 commits into from Jul 23, 2022
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Fix #10695: old LaTeX does not allow \@ifpackageloaded usage in body #10696

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faccc21
Fix #10695: old LaTeX does not allow \@ifpackageloaded usage in body
jfbu Jul 23, 2022
d1b4a75
LaTeX: fix another incompatibility with old pict2e LaTeX
jfbu Jul 23, 2022
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21 changes: 21 additions & 0 deletions sphinx/texinputs/sphinx.sty
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Expand Up @@ -685,6 +685,27 @@
%% FRAMED ENVIRONMENTS
%
\RequirePackage{sphinxpackageboxes}
% This macro is possibly executed at begin document if the check
% whether radii setting options have been used turns out positive
\def\spx@RequirePackage@PictIIe{%
\IfFileExists{pict2e.sty}
{\RequirePackage{pict2e}}
{\PackageWarningNoLine{sphinx}{%
The package pict2e is required for rounded boxes.\MessageBreak
It does not seem to be available on your system.\MessageBreak
Options for setting radii will thus be ignored}%
\AtEndDocument{\PackageWarningNoLine{sphinx}{%
I issued a warning which may have gotten lost in the\MessageBreak
gigantic console output: pict2e.sty was not found,\MessageBreak
and radii setting options have been ignored}}%
\def\spx@boxes@fcolorbox@rounded{\spx@boxes@fcolorbox}%
}%
}%
% This at begin document will be executed after \spx@RequirePackage@PictIIe
\AtBeginDocument{%
\@ifpackageloaded{pict2e}{\let\spx@ifpackageloaded@pictiie\@firstoftwo}%
{\let\spx@ifpackageloaded@pictiie\@secondoftwo}%
}%
\input{sphinxlatexadmonitions.sty}
\input{sphinxlatexliterals.sty}
\input{sphinxlatexshadowbox.sty}
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2 changes: 1 addition & 1 deletion sphinx/texinputs/sphinxlatexadmonitions.sty
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Expand Up @@ -162,7 +162,7 @@
\ifdim\spx@boxes@radius@bottomleft >\z@0\fi
1\spx@boxes@fcolorbox{##1}%
\else
\@ifpackageloaded{pict2e}%
\spx@ifpackageloaded@pictiie
{\ifspx@boxes@insetshadow
\spx@boxes@fcolorbox{##1}%
\else
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2 changes: 1 addition & 1 deletion sphinx/texinputs/sphinxlatexliterals.sty
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Expand Up @@ -164,7 +164,7 @@
\ifdim\spx@pre@radius@bottomleft >\z@0\fi
1\spx@boxes@fcolorbox{\box\z@}%
\else
\@ifpackageloaded{pict2e}%
\spx@ifpackageloaded@pictiie
{\ifspx@pre@insetshadow
\spx@boxes@fcolorbox{\box\z@}%
\else
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2 changes: 1 addition & 1 deletion sphinx/texinputs/sphinxlatexshadowbox.sty
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Expand Up @@ -79,7 +79,7 @@
\ifdim\spx@topic@radius@bottomleft >\z@0\fi
1\spx@boxes@fcolorbox{\box\z@}%
\else
\@ifpackageloaded{pict2e}%
\spx@ifpackageloaded@pictiie
{\ifspx@topic@insetshadow
\spx@boxes@fcolorbox{\box\z@}%
\else
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30 changes: 7 additions & 23 deletions sphinx/texinputs/sphinxpackageboxes.sty
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Expand Up @@ -72,22 +72,6 @@
% if nothing else is changed (perhaps in future the title itself could be also
% rendered in a rounded box?)

\def\spx@RequirePackage@PictIIe{%
\IfFileExists{pict2e.sty}
{\RequirePackage{pict2e}}
{\PackageWarningNoLine{sphinx}{%
The package pict2e is required for rounded boxes.\MessageBreak
It does not seem to be available on your system.\MessageBreak
Options for setting radii will thus be ignored}%
\AtEndDocument{\PackageWarningNoLine{sphinx}{%
I issued a warning which may have gotten lost in the\MessageBreak
gigantic console output: pict2e.sty was not found,\MessageBreak
and radii setting options have been ignored}}%
\def\spx@boxes@fcolorbox@rounded{\spx@boxes@fcolorbox}%
}%
}%


%//// \spx@boxes@fcolorbox
% This box will have the same baseline as its argument (which is typeset in
% horizontal mode). It takes into account four border widths parameters, four
Expand Down Expand Up @@ -378,16 +362,16 @@
\dimexpr\dp\spx@tempboxa+\spx@boxes@padding@bottom+\spx@boxes@border\relax
\hbox{%
\begin{picture}%
% \strip@pt\dimexpr fot work around "old" LaTeX picture limitation
% \strip@pt\dimexpr to work around "old" LaTeX picture limitation
% (we could use the "picture" package, this would add another dependency)
(\strip@pt\wd\spx@tempboxa,\strip@pt\dimexpr\ht\spx@tempboxa+\dp\spx@tempboxa)%
(\strip@pt\dimexpr-.5\spx@boxes@border,\strip@pt\dimexpr-.5\spx@boxes@border)%
(\strip@pt\wd\spx@tempboxa,\strip@pt\dimexpr\ht\spx@tempboxa+\dp\spx@tempboxa\relax)%
(\strip@pt\dimexpr-.5\spx@boxes@border\relax,\strip@pt\dimexpr-.5\spx@boxes@border\relax)%
\ifspx@boxes@withshadow
\color{spx@boxes@shadowcolor}%
\put(\dimexpr\ifdim\spx@boxes@shadow@xoffset<\z@-\fi
0.5\spx@boxes@border+\spx@boxes@shadow@xoffset,%
\dimexpr\ifdim\spx@boxes@shadow@yoffset<\z@\else-\fi
0.5\spx@boxes@border-\spx@boxes@shadow@yoffset)
\put(\strip@pt\dimexpr\ifdim\spx@boxes@shadow@xoffset<\z@-\fi
0.5\spx@boxes@border+\spx@boxes@shadow@xoffset\relax,%
\strip@pt\dimexpr\ifdim\spx@boxes@shadow@yoffset<\z@\else-\fi
0.5\spx@boxes@border-\spx@boxes@shadow@yoffset\relax)
{\spx@boxes@borderpath\fillpath}%
{\ifspx@boxes@withbackgroundcolor\else
\color{white}% or rather try to use page color?
Expand Down