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I use tikz-boxes and tcolorbox and I want to have the footnotes outside of the boxes at the bottom of the page with the same numbering with the others. To sum up, I want the tikz or tcolorbox footnotes NOT to be different with the others.

So I tried Martin Scharrer's solution to this question, that uses savenotes environment. I wrap savenotes environment around tikzpicture and tcolorbox. The tikz-box is OK, but not the tcolorbox. The footnote's text is at the bottom of the page (OK with this), but it has other numbering.

The code is below:

\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{shapes,snakes}

\usepackage[most]{tcolorbox}

\usepackage{footnote}

\usepackage{environ}

\renewcommand{\thefootnote}{[\Roman{footnote}]}

\tikzstyle{mybox} = [draw=black, fill=white, very thick,
rectangle, rounded corners, inner sep=10pt, inner ysep=20pt]
\NewEnviron{tikzbox}{
    \begin{savenotes} % I add this!!!
            \begin{tikzpicture}
\node [mybox] (box){
    \begin{minipage}{0.50\textwidth}
            \BODY
    \end{minipage}
};
\end{tikzpicture}
\end{savenotes}% I add this!!!

}

\NewEnviron{Tbox}{
        \begin{savenotes}
    \begin{tcolorbox}[enhanced,
        breakable]
        \BODY
    \end{tcolorbox}
\end{savenotes}

}


\begin{document}

Some main text Some main text Some main text Some main text Some main text Some main text\footnote{The first footnote.}

Other main text Other main text Other main text Other main text\footnote{The second footnote.}

\begin{tikzbox}
Some tikzboxed text Some tikzboxed text Some tikzboxed text\footnote{This is OK.}
\end{tikzbox}

\begin{Tbox}
Some tcolorboxed text Some tcolorboxed text Some tcolorboxed text Some tcolorboxed text Some tcolorboxed text Some tcolorboxed text\footnote{This is not OK. I want this footnote outside of the box, at the bottom of the page and with number [IV].}
\end{Tbox}

\end{document}

and this is how it looks like:

enter image description here

1 Answer 1

2

tcolorboxes in the end are minipages. You need to revert to normal footnotes by adding suiting definitions for \@mpfn and \thempfn (I also shortened the code somewhat):

\documentclass{article}

\usepackage[most]{tcolorbox}
\usepackage{footnote}
\renewcommand{\thefootnote}{[\Roman{footnote}]}

\makeatletter
\newtcolorbox{Tbox}{
  enhanced, breakable,
  before upper=\def\@mpfn{footnote}\def\thempfn{\thefootnote}%
}
\makeatother
\makesavenoteenv{Tbox}

\begin{document}

Some main text Some main text Some main text Some main text Some main text
Some main text\footnote{The first footnote.}

Other main text Other main text Other main text Other main text\footnote{The
  second footnote.}

\begin{Tbox}
  Some tcolorboxed text Some tcolorboxed text Some tcolorboxed text Some
  tcolorboxed text Some tcolorboxed text Some tcolorboxed text\footnote{This
    is not OK. I want this footnote outside of the box, at the bottom of the
    page and with number [III].}
\end{Tbox}

\end{document}

enter image description here

enter image description here

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