GNU bug report logs - #64972
bibtex-autokey-get-year does not recognize biblatex date ranges

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Package: emacs; Severity: wishlist; Reported by: Gustavo Barros <gusbrs.2016@HIDDEN>; dated Mon, 31 Jul 2023 12:55:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Severity set to 'wishlist' from 'normal' Request was from Stefan Kangas <stefankangas@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Date: Wed, 23 Aug 2023 14:30:07 +0300
Message-Id: <83il96ro74.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: Roland Winkler <winkler@HIDDEN>, Paul Eggert <eggert@HIDDEN>
In-Reply-To: <87lee2ty9w.fsf@HIDDEN> (message from Roland Winkler on Tue, 22
 Aug 2023 19:09:31 -0500)
Subject: Re: bug#64972: bibtex-autokey-get-year does not recognize biblatex
 date ranges
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> From: Roland Winkler <winkler@HIDDEN>
> Cc: Gustavo Barros <gusbrs.2016@HIDDEN>,  64972 <at> debbugs.gnu.org
> Date: Tue, 22 Aug 2023 19:09:31 -0500
> 
> On Sat, Aug 05 2023, Eli Zaretskii wrote:
> >>       date         = {2020-10/2020-12},
> >> 
> >> Results in user-error "Year or date field ‘2020-10/2020-12’ invalid".
> >> 
> >> The "date" field, however, is valid `biblatex' syntax for a date
> >> range, according to the section "2.3.8 Date and Time Specifications"
> >> of `biblatex's manual.
> >
> > Roland, any comments?
> 
> biblatex permits dates and date ranges according to ISO 8601.
> 
> The problem in bibtex-autokey-get-year arises because iso8601-valid-p
> believes that the string "2020-10/2020-12" is not valid according to
> ISO 8601, though iso8601-parse-interval parses that string correctly.
> 
> So it seems to me that this problem requires, first of all, some changes
> in iso8601.el.  Who is familiar with this code and can possibly make
> suggestions?

I hope Paul (CC'ed) will.
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#64972; Package emacs. Full text available.

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From: Roland Winkler <winkler@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#64972: bibtex-autokey-get-year does not recognize biblatex
 date ranges
In-Reply-To: <837cq9u9e0.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 05 Aug
 2023 12:27:19 +0300")
References: <CAM9ALR_jAtd+vM6Gvb6Qw0NBBJaF52hPbgXFUqMNSfKrwkmyXg@HIDDEN>
 <837cq9u9e0.fsf@HIDDEN>
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On Sat, Aug 05 2023, Eli Zaretskii wrote:
>>       date         =3D {2020-10/2020-12},
>>=20
>> Results in user-error "Year or date field =E2=80=982020-10/2020-12=E2=80=
=99 invalid".
>>=20
>> The "date" field, however, is valid `biblatex' syntax for a date
>> range, according to the section "2.3.8 Date and Time Specifications"
>> of `biblatex's manual.
>
> Roland, any comments?

biblatex permits dates and date ranges according to ISO 8601.

The problem in bibtex-autokey-get-year arises because iso8601-valid-p
believes that the string "2020-10/2020-12" is not valid according to
ISO 8601, though iso8601-parse-interval parses that string correctly.

So it seems to me that this problem requires, first of all, some changes
in iso8601.el.  Who is familiar with this code and can possibly make
suggestions?

Roland
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#64972; Package emacs. Full text available.

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From: Roland Winkler <winkler@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#64972: bibtex-autokey-get-year does not recognize biblatex
 date ranges
In-Reply-To: <837cq9u9e0.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 05 Aug
 2023 12:27:19 +0300")
References: <CAM9ALR_jAtd+vM6Gvb6Qw0NBBJaF52hPbgXFUqMNSfKrwkmyXg@HIDDEN>
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On Sat, Aug 05 2023, Eli Zaretskii wrote:
>>     @Article{,
>>       author       =3D {Author, J.},
>>       title        =3D {Title},
>>       journaltitle =3D {Journal},
>>       date         =3D {2020-10/2020-12},
>>     }
>>=20
>> Results in user-error "Year or date field =E2=80=982020-10/2020-12=E2=80=
=99 invalid".
>>=20
>> The "date" field, however, is valid `biblatex' syntax for a date
>> range, according to the section "2.3.8 Date and Time Specifications"
>> of `biblatex's manual.
>
> Roland, any comments?

Thanks, I'll look into this!
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#64972; Package emacs. Full text available.

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From: Eli Zaretskii <eliz@HIDDEN>
To: Gustavo Barros <gusbrs.2016@HIDDEN>, Roland Winkler <winkler@HIDDEN>
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 (message from Gustavo Barros on Mon, 31 Jul 2023 09:53:41 -0300)
Subject: Re: bug#64972: bibtex-autokey-get-year does not recognize biblatex
 date ranges
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> From: Gustavo Barros <gusbrs.2016@HIDDEN>
> Date: Mon, 31 Jul 2023 09:53:41 -0300
> 
> Hi All,
> 
> I think this counts more as a feature request than a bug report.  But,
> currently, `bibtex.el's `bibtex-autokey-get-year' cannot handle
> `biblatex' date ranges, and it would be nice if it did.
> 
> For example, calling `M-: (bibtex-autokey-get-year)' with point inside
> the entry:
> 
>     @Article{,
>       author       = {Author, J.},
>       title        = {Title},
>       journaltitle = {Journal},
>       date         = {2020-10/2020-12},
>     }
> 
> Results in user-error "Year or date field ‘2020-10/2020-12’ invalid".
> 
> The "date" field, however, is valid `biblatex' syntax for a date
> range, according to the section "2.3.8 Date and Time Specifications"
> of `biblatex's manual.

Roland, any comments?

Thanks.
Information forwarded to bug-gnu-emacs@HIDDEN:
bug#64972; Package emacs. Full text available.

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From: Gustavo Barros <gusbrs.2016@HIDDEN>
Date: Mon, 31 Jul 2023 09:53:41 -0300
Message-ID: <CAM9ALR_jAtd+vM6Gvb6Qw0NBBJaF52hPbgXFUqMNSfKrwkmyXg@HIDDEN>
Subject: bibtex-autokey-get-year does not recognize biblatex date ranges
To: bug-gnu-emacs@HIDDEN
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Hi All,

I think this counts more as a feature request than a bug report.  But,
currently, `bibtex.el's `bibtex-autokey-get-year' cannot handle
`biblatex' date ranges, and it would be nice if it did.

For example, calling `M-: (bibtex-autokey-get-year)' with point inside
the entry:

    @Article{,
      author       =3D {Author, J.},
      title        =3D {Title},
      journaltitle =3D {Journal},
      date         =3D {2020-10/2020-12},
    }

Results in user-error "Year or date field =E2=80=982020-10/2020-12=E2=80=99=
 invalid".

The "date" field, however, is valid `biblatex' syntax for a date
range, according to the section "2.3.8 Date and Time Specifications"
of `biblatex's manual.

Best regards,
Gustavo.
Acknowledgement sent to Gustavo Barros <gusbrs.2016@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#64972; Package emacs. Full text available.
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