[Tex/LaTex] How to create two column footnotes when using parallel package

footnotesparallel

I am using parallel package for two column parallel texts. By default the footnotes are all formatted in one column. Is there any way to generate two column footnotes under parallel environment? I am not asking to separate left and right column footnotes, just feel single column too space-wasting.

I've tried some packages like whatever in How to achieve a multi-column layout for footnotes?.
But they don't seem to work with parallel.
Here is my pseudo code (using dblfnote package)

\documentclass{article}
\usepackage[Verbose]{parallel}
\usepackage{dblfnote}

\begin{document}
\begin{Parallel}{0.45\textwidth}{0.45\textwidth}

\ParallelLText{
    Aperture Science \footnote{where GLaDOS lives}
}

\ParallelRText{
    We do what we must, because we can
    \footnote{test subject}
    \footnote{test subject}
    \footnote{test subject}
    \footnote{test subject}
    ...
}

\end{Parallel}
\end{document}

Any thoughts or ideas would be much appreciated.

Best Answer

The ledmac and ledpar might be overkill for your needs, but you could do something like this:

\documentclass{article}
\usepackage{ledmac, ledpar, lipsum}
\usepackage{showframe}
\foottwocolX{A}
\let\footnote\footnoteA
\parindent 0pt
\begin{document}
\lipsum[2]
\begin{pairs}

  \begin{Leftside}
    \beginnumbering\pstart
    % \firstlinenum{100}\linenumincrement{100}% <-- to 'hide' line numbers
    \lipsum[1] Aperture
    Science%
    \footnote{where GLaDOS lives} 
    \pend\endnumbering
  \end{Leftside}

  \begin{Rightside}
    \beginnumbering\pstart
    % \firstlinenum{100}\linenumincrement{100}% <-- to 'hide' line numbers
    \lipsum[2]
    We do what we must, because we can %
    \footnote{test subject} %
    \footnote{test subject} %
    \footnote{test subject} %
    \footnote{test subject} 
    \pend\endnumbering
  \end{Rightside}

\Columns
\end{pairs}

\lipsum[2]

\end{document}

Note also that you could create some commands to simplify the expectations ledmac and ledpar have regarding the starting and stopping of paragraphs and parallel columns.

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