Re: Org mode AUTHOR and KEYWORDS parsing seems instinctively "wrong"

[Garry Cairns <garryjcairns-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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That makes sense, thanks. Since the behaviour is fine I suspect the 
simplest thing for me will be to specify Pandoc < 2.10 in my cabal file

On Thursday, 13 May 2021 at 13:31:00 UTC+1 Albert Krewinkel wrote:

> We aim to stay close to the Emacs reference implementation, and the new
> behavior is consistent with that of Org mode exporters as of org-version
> 9.4. The changelog for pandoc 2.10 has this info:
>
> + The behavior of the `#+AUTHOR` and `#+KEYWORD` export
> settings has changed: Org now allows multiple such lines
> and adds a space between the contents of each line. Pandoc
> now always parses these settings as meta inlines; setting
> values are no longer treated as comma-separated lists.
> Note that a Lua filter can be used to restore the previous
> behavior.
>
> Here's a sample Lua filter to restore the old behavior (untested):
>
>
> --- Split a string on the given separator char.
> local function split_string (str, sep)
> local acc = pandoc.List()
> for substr in str:gmatch('([^' .. sep .. ']*)') do
> acc:insert(tostring(substr))
> end
> return acc
> end
>
> function Meta (meta)
> meta.author = split_string(pandoc.utils.stringify(meta.author,','))
> return meta
> end
>
> See https://pandoc.org/lua-filters.html for more details.
>
> HTH,
> Albert
>
> Garry Cairns <garryj...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
> > tl;dr
> > I'd expect KEYWORDS and AUTHOR to be parsed as MetaList types. But it 
> seems
> > they are individual strings/MetaInlines. Am I just misunderstanding the
> > intent?
> >
> > Background
> > I've used Slick as a static site generator for a little while
> > (https://ilikewhenitworks.gitlab.io/). I don't post very often, and 
> when I
> > tried to write a post recently a rebuild of the code showed it no longer
> > worked. I should be able to fix my personal issue by downgrading 
> versions,
> > but the root of the problem seems generally applicable. Given an org-mode
> > file with headers:
> >
> > #+TITLE: Org Mode in Hakyll
> > #+AUTHOR: Garry Cairns, Someone Else
> > #+DATE: 2019-03-17
> > #+KEYWORDS: emacs, haskell
> > #+STARTUP: showall
> >
> > I'd expect KEYWORDS and AUTHOR to be parsed as MetaList types. But it 
> seems
> > they are individual strings both from how my static site builder now 
> fails
> > with an expected Array got String error, and from the following output:
> >
> > [nix-shell:~/code/ILikeWhenItWorks]$ pandoc -s -t native
> > posts/2019-03-17-org-test.org
> > Pandoc (Meta {unMeta = fromList [("author",MetaInlines [Str
> > "Garry",Space,Str "Cairns,",Space,Str "Someone",Space,Str
> > "Else"]),("date",MetaInlines [Str "2019-03-17"]),("keywords",MetaInlines
> > [Str "emacs,",Space,Str "haskell"]),("title",MetaInlines [Str
> > "Org",Space,Str "Mode",Space,Str "in",Space,Str "Hakyll"])]})
> >
> > This is with
> >
> > [nix-shell:~/code/ILikeWhenItWorks]$ pandoc --version
> > pandoc 2.10.1
> > Compiled with pandoc-types 1.21, texmath 0.12.0.2, skylighting 0.8.5
> >
> > Am I misunderstanding here?
>
>
> --
> Albert Krewinkel
> GPG: 8eed e3e2 e8c5 6f18 81fe e836 388d c0b2 1f63 1124
>

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