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oc-basic.el: Stringify year from CSL-JSON date-parts 

* lisp/oc-basic.el (org-cite-basic--parse-json): Make sure year
extracted from date-parts is returned as string.  Raise error if
original type other than number or string.

The stringifiation is motivated by errors like the following on Emacs 28
with nativecomp:

Error during redisplay: (jit-lock-function 544) signaled
(wrong-type-argument "Argument is not a string or a secondary string:
2007")

Additionally, the type check will warn users about problems in their
CSL-JSON bibliographies.

Fixes https://list.orgmode.org/875ykv4k2q.fsf@localhost/T/#t

TINYCHANGE
This commit is contained in:
David Lukes 2022-06-21 14:04:58 +02:00 committed by Ihor Radchenko
parent 02a22d6fad
commit 0dc27a8837
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1 changed files with 8 additions and 1 deletions
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@ -189,7 +189,14 @@ Return a hash table with citation references as keys and fields alist as values.
(cons 'year
(cond
((consp date)
(caar date))
(let ((year (caar date)))
(cond
((numberp year) (number-to-string year))
((stringp year) year)
(t
(error
"First element of CSL-JSON date-parts should be a number or string, got %s: %S"
(type-of year) year)))))
((stringp date)
(replace-regexp-in-string
(rx