It will be a little more fragile, but if you're *sure* that you will use 
heading at the end of document, then you can skip over it, like this:

    import Text.Pandoc.JSON 
>
>
>>     main :: IO () 
>
>     main = toJSONFilter addHangPara 
>
>
>>     addHangPara :: Maybe Format -> Block -> Block 
>
>     addHangPara (Just (Format "latex")) (Div ("",["references"],[]) 
>> (h:blocks)) = 
>
>       Div ("",["references"],[]) ( [h , latex "\\begin{hangparas}"]  ++ 
>
>         blocks ++ [latex "\\end{hangparas}"] ) 
>
>       where latex = RawBlock (Format "latex") 
>
>     addHangPara _ x = x 
>
>
It is of course possible to handle cases with no heading as well by 
pattern-matching "h" as "h@(Header 1 _ _)", and adding handler for other 
cases, if you need to, but that tends to be unnecessarily verbose.

пятница, 27 марта 2015 г., 11:19:17 UTC+3 пользователь nickba...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 
написал:
>
> Thanks a lot. – However, this encloses the "References" section header, 
> too – and doesn't work since the \section command cancels out the effects 
> of \begin{hangparas}.
>
> Actual output:
>
> \begin{hangparas}
>
> \section*{References}\label{references}
> \addcontentsline{toc}{section}{References}
>
> \hyperdef{}{ref-item2}{}
> Doe, John. ``Article.'' \emph{Journal of Generic Studies} 6, no. 4
> (2006): 33--34.
>
> \end{hangparas}
>
>
> Expected output:
>
> \section*{References}\label{references}
> \addcontentsline{toc}{section}{References}
>
> \begin{hangparas}
>
> \hyperdef{}{ref-item2}{}
> Doe, John. ``Article.'' \emph{Journal of Generic Studies} 6, no. 4
> (2006): 33--34.
>
> \end{hangparas}
>
>
> On Friday, 27 March 2015 04:05:49 UTC, John MacFarlane wrote:
>>
>> Sure.  After the pandoc-citeproc filter is done, your document will 
>> end with a 
>>
>>     Div ("",["references"],[]) [...list of blocks...] 
>>
>> So you could write a filter that adds a bit of raw 
>> latex "\begin{hangparas}" at the beginning of ...list of blocks... 
>> and another bit "\end{hangparas}" at the end. 
>>
>> Something like (untested): 
>>
>>     import Text.Pandoc.JSON 
>>
>>     main :: IO () 
>>     main = toJSONFilter addHangPara 
>>
>>     addHangPara :: Maybe Format -> Block -> Block 
>>     addHangPara (Format "latex") (Div ("",["references"],[]) blocks) = 
>>       Div ("",["references"],[]) ( [latex "\\begin{hangparas}"] ++ 
>>         blocks ++ [latex "\\end{hangparas}"] ) 
>>       where latex = RawBlock (Format "latex") 
>>     addHangPara _ x = x 
>>
>> Just make sure you use this filter *after* pandoc-citeproc: 
>>
>>     -F pandoc-citeproc -F ./addhangpara.hs 
>>
>> +++ nickba...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org [Mar 26 15 12:57 ]: 
>> >Is there any way – a filter, e.g. – that would let me enclose just the 
>> >reference list entries – *without* the "References" section header – in 
>> >latex environment such as `\begin{hangparas} ... \end{hangparas}`? 
>> > 
>> >-- 
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>>
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>>
>>

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