We'll have to agree to disagree. I don't read anything in your quote of the 
Chicago Manual of style that justifies the current behavior. Thanks


Antonio


On Friday, September 23, 2022 at 1:07:51 AM UTC-7 Bastien Dumont wrote:

> Yes, but it is in line with the Chicago Manual of Style, which the default 
> stylesheet conforms to. At §15.50 (2017 edition) it gives the following 
> example:
>
> Google. 2016. "Privacy Policy." Privacy & Terms. Last modified March 25, 
> 2016. 
> http://www.google.com/policies/privacy/.
>
> The same paragraph states: “Chicago requires an access date in citations 
> of websites and other sources consulted online only if no date of 
> publication or revision can be determined from the source”.
>
> But you can modify the stylesheet according to your desiderata if you 
> don't care about following the CMS.
>
> Le Thursday 22 September 2022 à 11:35:32PM, Antonio Piccolboni a écrit :
> > Thanks, what I see in my case is that urldate is ignored if either year 
> or
> > date field are present. Year or date are mandatory or the key contains 
> the
> > letters n.d. I still find seeing the year twice redundant and not 
> consistent
> > with how other entry types @book or @article display. 
> > 
> > On Thursday, September 22, 2022 at 11:26:11 PM UTC-7 Bastien Dumont 
> wrote:
> > 
> > Here is a sample I got by exporting an item from Zotero and converting 
> the
> > CSL JSON file to BibLaTeX via Pandoc:
> > 
> > @online{PageWebSimple,
> > author = {Author, First Name},
> > title = {Title of the Web Page},
> > date = {2000-10-20},
> > urldate = {2019-07-20},
> > url = {[1]http://placeholder.url}
> > }
> > 
> > Le Thursday 22 September 2022 à 03:03:21PM, Antonio Piccolboni a écrit :
> > > In what field am I suppose to enter that "June 8, 2021"? I tried year 
> and
> > > urldate. The former is repeated twice verbatim, the latter ignored.
> > Thanks
> > > On Thursday, September 22, 2022 at 1:45:43 PM UTC-7 Bastien Dumont 
> wrote:
> > >
> > > Or to write a Lua filter, of course!
> > >
> > > Le Thursday 22 September 2022 à 08:44:17PM, Bastien DUMONT a écrit :
> > > > This is because the group ending with a dot contains the author-year
> > form
> > > of the reference with the year only, whereas the second date is part of
> > the
> > > full reference and would contain the full date if it were provided. The
> > > solution is to provide more information in order to get an output like
> > this
> > > one:
> > > >
> > > > Doe, John. 2021. “A DSL That Is Concise and Fun.” Twitter. June 8,
> > 2021.
> > > [1][2]https://web.archive.org/web/20211216060806/https://twitter.com/
> > scalding.
> > > >
> > > > Le Thursday 22 September 2022 à 12:49:11PM, John MacFarlane a écrit :
> > > > > the CSL has
> > > > >
> > > > > <layout suffix=".">
> > > > > <group delimiter=". ">
> > > > > <text macro="contributors"/>
> > > > > <text macro="date"/>
> > > > > <text macro="title"/>
> > > > > </group>
> > > > > <text macro="description"/>
> > > > > <text macro="secondary-contributors" prefix=". "/>
> > > > > <text macro="container-title" prefix=". "/>
> > > > > <text macro="container-contributors"/>
> > > > > <text macro="edition"/>
> > > > > <text macro="locators-chapter"/>
> > > > > <text macro="collection-title-journal" prefix=", " suffix=", "/>
> > > > > <text macro="locators"/>
> > > > > <text macro="collection-title" prefix=". "/>
> > > > > <text macro="issue"/>
> > > > > <text macro="locators-article"/>
> > > > > <text macro="access" prefix=". "/>
> > > > > </layout>
> > > > >
> > > > >
> > > > > and I think the first date is coming from the "date" macro, while 
> the
> > > second is coming from "access," which for web_page uses "issued" date.
> > > > >
> > > > > I don't know if this is a bug in the style or if there's some
> > subtlety
> > > that's wrong in pandoc's CSL processing. Maybe a CSL expert can chime 
> in
> > > here? Or try using Zotero with chicago-author-date.csl to see what it
> > does.
> > > > >
> > > > > > On Sep 22, 2022, at 12:35 PM, Antonio Piccolboni <
> > picc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > wrote:
> > > > > >
> > > > > > Hi, I am producing pdf and epub from markdown. The bibliography 
> is
> > in
> > > biblatex. There is a problem with @online items in that the year is
> > > repeated twice in the output, be it pdf or epub. This is an entry:
> > > > > >
> > > > > >
> > > > > >
> > > > > > @online{scalding,
> > > > > > title={A DSL that is concise and fun},
> > > > > > url={[2][3]https://web.archive.org/web/20211216060806/https://
> > > [4]twitter.com/scalding},
> > > > > > year={2021}
> > > > > > }
> > > > > >
> > > > > > And this is the result:
> > > > > >
> > > > > > “A DSL That Is Concise and Fun.” 2021. 2021. [3]https://
> > > [5]web.archive.org/web/20211216060806/https://twitter.com/scalding.
> > > > > >
> > > > > > I am using the options --citeproc --bibliography biblio.biblatex
> > > > > >
> > > > > > Other item types look just fine.
> > > > > > Any suggestions? Thanks
> > > > > >
> > > > > >
> > > > > > Antonio
> > > > > >
> > > > > > --
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> > > > > > To view this discussion on the web visit [4][6]https://
> > groups.google.com
> > > /d/msgid/pandoc-discuss/
> > > 826a8e3a-24ed-407d-bc2b-8320ac9a75e0n%[7]40googlegroups.com.
> > > > >
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> > groups.google.com/d
> > > /msgid/pandoc-discuss/B3269C33-2E6B-403C-BC73-4139FC900699%[9]
> 40gmail.com
> > .
> > > >
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> > > > To view this discussion on the web visit [6][10]https://
> > groups.google.com/d/
> > > msgid/pandoc-discuss/YyzJIbTFWQuWhF0R%40localhost.
> > >
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> > > To view this discussion on the web visit [8][11]
> https://groups.google.com
> > /d/msgid/
> > > pandoc-discuss/6300be55-0355-4427-9e48-730a1656ffc9n%[12]
> > 40googlegroups.com.
> > >
> > > References:
> > >
> > > [1] [13]
> https://web.archive.org/web/20211216060806/https://twitter.com/
> > scalding
> > > [2] [14]
> https://web.archive.org/web/20211216060806/https://twitter.com/
> > scalding
> > > [3] [15]
> https://web.archive.org/web/20211216060806/https://twitter.com/
> > scalding
> > > [4] [16]https://groups.google.com/d/msgid/pandoc-discuss/
> > 826a8e3a-24ed-407d-bc2b-8320ac9a75e0n%40googlegroups.com
> > > [5] [17]https://groups.google.com/d/msgid/pandoc-discuss/
> > B3269C33-2E6B-403C-BC73-4139FC900699%40gmail.com
> > > [6] [18]https://groups.google.com/d/msgid/pandoc-discuss/
> > YyzJIbTFWQuWhF0R%40localhost
> > > [7] mailto:pandoc-discus...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > > [8] [19]https://groups.google.com/d/msgid/pandoc-discuss/
> > 6300be55-0355-4427-9e48-730a1656ffc9n%
> 40googlegroups.com?utm_medium=email&
> > utm_source=footer
> > 
> > 
> > --
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> > To view this discussion on the web visit [21]
> https://groups.google.com/d/msgid/
> > pandoc-discuss/568b34c1-c26d-4e14-8c7c-6c503d7a34een%40googlegroups.com.
> > 
> > References:
> > 
> > [1] http://placeholder.url/
> > [2] 
> https://web.archive.org/web/20211216060806/https://twitter.com/scalding
> > [3] https://web.archive.org/web/20211216060806/https://
> > [4] http://twitter.com/scalding
> > [5] 
> http://web.archive.org/web/20211216060806/https://twitter.com/scalding
> > [6] https://groups.google.com/
> > [7] http://40googlegroups.com/
> > [8] https://groups.google.com/d
> > [9] http://40gmail.com/
> > [10] https://groups.google.com/d/
> > [11] https://groups.google.com/d/msgid/
> > [12] http://40googlegroups.com/
> > [13] 
> https://web.archive.org/web/20211216060806/https://twitter.com/scalding
> > [14] 
> https://web.archive.org/web/20211216060806/https://twitter.com/scalding
> > [15] 
> https://web.archive.org/web/20211216060806/https://twitter.com/scalding
> > [16] 
> https://groups.google.com/d/msgid/pandoc-discuss/826a8e3a-24ed-407d-bc2b-8320ac9a75e0n%40googlegroups.com
> > [17] 
> https://groups.google.com/d/msgid/pandoc-discuss/B3269C33-2E6B-403C-BC73-4139FC900699%40gmail.com
> > [18] 
> https://groups.google.com/d/msgid/pandoc-discuss/YyzJIbTFWQuWhF0R%40localhost
> > [19] 
> https://groups.google.com/d/msgid/pandoc-discuss/6300be55-0355-4427-9e48-730a1656ffc9n%40googlegroups.com?utm_medium=email&utm_source=footer
> > [20] mailto:pandoc-discus...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > [21] 
> https://groups.google.com/d/msgid/pandoc-discuss/568b34c1-c26d-4e14-8c7c-6c503d7a34een%40googlegroups.com?utm_medium=email&utm_source=footer
>
>

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