Re: Can math elements have attributes

[A A <amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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I see. It sounds like there is definitely an advantage here. Thanks.

On Thu, 23 Feb 2023 at 10:30, Bastien DUMONT <bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org>
wrote:

> Semantically, it signals the text as a mathematical expression.
> Pragmatically, you get access to it via the Math element in your writer,
> where it is represented as a plain string, not as a list of Inlines, which
> makes it more easy to handle and prevents it to be interpreted as markdown
> (think of what could happen with the characters ^ and _).
>
> Le Thursday 23 February 2023 à 10:17:35AM, A A a écrit :
> > I see, thank you both for your response. I guess I will have to go with
> > enclosing things in a Span or Div element.
> >
> > If I’m designing my own writer though, I’m not sure why this:
> >
> > [$x = 1+2$]{ .cs #math:equation caption=test}
> >
> > Is any better than this:
> >
> > [x = 1+2]{ .cs #math:equation caption=test}
> >
> > Because in both cases I have access to the LaTeX math inside of the
> span. What
> > added advantage does including the mathematical expression between
> dollar signs
> > $...$ provide?
> >
> > Regards,
> >
> > Amine
> >
> >
> > On Wed, 22 Feb 2023 at 17:38, Bastien DUMONT <[1]
> bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org>
> > wrote:
> >
> >     For spans, it would rather be:
> >
> >     [$$x = 1+2$$]{ .cs #math:equation caption=test}
> >
> >     [$x = 1+2$]{ .cs #math:equation caption=test}
> >
> >     (Backticks are for code elements.)
> >
> >     Le Wednesday 22 February 2023 à 08:33:36AM, Julien Dutant a écrit :
> >     > I'd check out if there's an extension flag ([2]https://pandoc.org/
> >     MANUAL.html#
> >     > extensions) you can add to commonmark_x input for it to process
> multiline
> >     > attributes. Or one that can be added to markdown to process math
> >     attributes.
> >     >
> >     > As the Pandoc AST doesn't have attributes on Math elements
> ([3]https://
> >     pandoc.org/
> >     > lua-filters.html#type-math) the common mark reader turns them into
> >     attributes
> >     > of a container Span element, as your output shows. So an
> alternative
> >     would be
> >     > to simply write the span in Pandoc's markdown by simply adding a
> backtick
> >     > before and after:
> >     >
> >     > `$$x = 1+2$$`{ .cs #math:equation caption=test}
> >     >
> >     > `$x = 1+2$ `{ .cs #math:equation caption=test}
> >     >
> >     > ~~~{
> >     >   .cs
> >     >   #lst:my-listing
> >     >   caption=test }
> >     > def f(x):
> >     >    return x
> >     > ~~~
> >     >
> >     > Writing a Lua filter that picks up either is also an option.
> Picking up
> >     > attributes list after equations is probably a bit complicated. But
> using
> >     > pattern matching to process the initial {...} in a code block is
> more
> >     feasible.
> >     >
> >     > All the best,
> >     >
> >     > On Wednesday, February 22, 2023 at 8:15:53 AM UTC A A wrote:
> >     >
> >     >     Anyone? I also opened an issue in Github but no response.
> >     >
> >     >     On Fri, 17 Feb 2023 at 12:01, A A <[4]amine.ab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> wrote:
> >     >
> >     >         Dear all,
> >     >
> >     >
> >     >         Having not received a response to my query below, I ran a
> few of
> >     my own
> >     >         tests to try to understand what is going on.
> >     >
> >     >         It seems that commonmark_x does recognize attributes for
> both
> >     inline
> >     >         and display math. If I have the following in my markdown
> file:
> >     >
> >     >         $$x = 1+2$${ .cs #math:equation caption=test}
> >     >
> >     >         $x = 1+2${ .cs #math:equation caption=test}
> >     >
> >     >         ~~~{
> >     >           .cs
> >     >           #lst:my-listing
> >     >           caption=test
> >     >           }
> >     >         def f(x):
> >     >             return x
> >     >         ~~~
> >     >
> >     >         And I run pandoc --from commonmark_x --to native test.md I
> will
> >     get the
> >     >         following:
> >     >
> >     >         [ Para
> >     >             [ Span
> >     >                 ( "math:equation" , [ "cs" ] , [ ( "caption" ,
> "test" ) ]
> >     )
> >     >                 [ Math DisplayMath "x = 1+2" ]
> >     >             ]
> >     >         , Para
> >     >             [ Span
> >     >                 ( "math:equation" , [ "cs" ] , [ ( "caption" ,
> "test" ) ]
> >     )
> >     >                 [ Math InlineMath "x = 1+2" ]
> >     >             ]
> >     >         , CodeBlock
> >     >             ( "" , [ "{" ] , [] )
> >     >             "  .cs \n  #lst:my-listing \n  caption=test\n  }\ndef
> f(x):\
> >     n    return x"
> >     >         ]
> >     >
> >     >         Notice that the multiline attributes for the CodeBlock
> element
> >     are not
> >     >         picked up. If I instead try pandoc --from markdown --to
> native
> >     test.md:
> >     >
> >     >         [ Para
> >     >             [ Math DisplayMath "x = 1+2"
> >     >             , Str "{"
> >     >             , Space
> >     >             , Str ".cs"
> >     >             , Space
> >     >             , Str "#math:equation"
> >     >             , Space
> >     >             , Str "caption=test}"
> >     >             ]
> >     >         , Para
> >     >             [ Math InlineMath "x = 1+2"
> >     >             , Str "{"
> >     >             , Space
> >     >             , Str ".cs"
> >     >             , Space
> >     >             , Str "#math:equation"
> >     >             , Space
> >     >             , Str "caption=test}"
> >     >             ]
> >     >         , CodeBlock
> >     >             ( "lst:my-listing" , [ "cs" ] , [ ( "caption" , "test"
> ) ] )
> >     >             "def f(x):\n    return x"
> >     >         ]
> >     >
> >     >
> >     >         The attributes in the CodeBlock element are picked up, but
> the
> >     >         attributes for display and inline math are not.
> >     >
> >     >         Unfortunately, for my use case I would like to be able to
> assign
> >     >         multiline attributes to code block elements and assign
> attributes
> >     to
> >     >         display and inline math elements.
> >     >
> >     >         Is there a way to achieve both in the same markdown file?
> Thanks
> >     for
> >     >         your consideration.
> >     >
> >     >         Regards,
> >     >
> >     >         Amine
> >     >
> >     >
> >     >         ---------- Forwarded message ---------
> >     >         From: A A <[5]amine.ab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> >     >         Date: Wed, 8 Feb 2023 at 13:52
> >     >         Subject: Can math elements have attributes
> >     >         To: <[6]pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> >     >
> >     >
> >     >         Dear all,
> >     >
> >     >         I am writing my own pandoc to latex converter using
> panflute and
> >     would
> >     >         like to attach attributes to Math elements. I have tried
> the
> >     following
> >     >         syntax, but it seems that the attribute is not being
> picked up by
> >     >         panflute:
> >     >
> >     >         ```
> >     >         $$x=y$${ a=b }
> >     >         ```
> >     >
> >     >         I did some of my own research to figure out what I was
> doing
> >     wrong. And
> >     >         a couple of things became apparent:
> >     >
> >     >         - On the one hand, it looks like pandoc might not support
> this:
> >     >             - [1][7]https://github.com/jgm/pandoc/issues/684
> >     >             - [2][8]https://github.com/jgm/pandoc/issues/5286
> >     >         - On the other hand, `pandoc-crossref` seems to be able to
> handle
> >     this
> >     >         syntax:
> >     >             - [3][9]https://github.com/lierdakil/pandoc-crossref
> >     >             - [4][10]https://lierdakil.github.io/pandoc-crossref/#
> >     equation-labels
> >     >
> >     >         Is this currently supported by pandoc? If not then how is
> >     >         `pandoc-crossref` able to handle it? Thanks for your
> >     consideration.
> >     >
> >     >         Regards,
> >     >
> >     >         Amine
> >     >
> >     >
> >     >
> >     > --
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> >     > To view this discussion on the web visit [6][12]
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> >     /d/msgid/
> >     > pandoc-discuss/0845b275-aa43-4fc3-86a5-17b20de652een%[13]
> >     40googlegroups.com.
> >     >
> >     > References:
> >     >
> >     > [1] [14]https://github.com/jgm/pandoc/issues/684
> >     > [2] [15]https://github.com/jgm/pandoc/issues/5286
> >     > [3] [16]https://github.com/lierdakil/pandoc-crossref
> >     > [4] [17]
> https://lierdakil.github.io/pandoc-crossref/#equation-labels
> >     > [5] mailto:[18]pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> >     > [6] [19]https://groups.google.com/d/msgid/pandoc-discuss/
> >     0845b275-aa43-4fc3-86a5-17b20de652een%
> 40googlegroups.com?utm_medium=email&
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> >
> > References:
> >
> > [1] mailto:bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org
> > [2] https://pandoc.org/MANUAL.html#
> > [3] https://pandoc.org/
> > [4] mailto:amine.ab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
> > [5] mailto:amine.ab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
> > [6] mailto:pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > [7] https://github.com/jgm/pandoc/issues/684
> > [8] https://github.com/jgm/pandoc/issues/5286
> > [9] https://github.com/lierdakil/pandoc-crossref
> > [10] https://lierdakil.github.io/pandoc-crossref/#equation-labels
> > [11] mailto:pandoc-discuss%2Bunsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > [12] https://groups.google.com/d/msgid/
> > [13] http://40googlegroups.com/
> > [14] https://github.com/jgm/pandoc/issues/684
> > [15] https://github.com/jgm/pandoc/issues/5286
> > [16] https://github.com/lierdakil/pandoc-crossref
> > [17] https://lierdakil.github.io/pandoc-crossref/#equation-labels
> > [18] mailto:pandoc-discuss%2Bunsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > [19]
> https://groups.google.com/d/msgid/pandoc-discuss/0845b275-aa43-4fc3-86a5-17b20de652een%40googlegroups.com?utm_medium=email&utm_source=footer
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> > [21]
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> > [23]
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