Unexpectedly added period between author names and reference in prose-style citation

[jakubkaczor]

Description

Depending on citation style, an additional period is added between author names and a reference when using ”prose“ style. Here is an example using Association for Computing Machinery style.

bibliography.bib

@article{churchSetPostulatesFoundation1933,
	title = {A Set of Postulates For the Foundation of Logic},
	volume = {34},
	issn = {0003-486X},
	url = {https://www.jstor.org/stable/1968702},
	doi = {10.2307/1968702},
	pages = {839--864},
	number = {4},
	journaltitle = {Annals of Mathematics},
	author = {Church, Alonzo},
	urldate = {2025-01-06},
	date = {1933},
	note = {Publisher: Annals of Mathematics},
}

#set page(height: auto, width: 10cm)

= Good
@churchSetPostulatesFoundation1933

= Bad
#cite(form: "prose", <churchSetPostulatesFoundation1933>)

#bibliography("bibliography.bib", style: "association-for-computing-machinery")

If I understand correctly, in the latest released version of CSL there is no way to describe how the prose-style citation should look like¹, so I suppose this is Typst's invention.

I checked what suffix=". " attributes in Association for Computing Machinery CSL file cause this. I have found you need to remove 2 of them in order to fix it. Unfortunately, this also removes dots in bibliography, so it is not a viable solution.

An in-Typst workaround is

  // A hack around incorrectly added period after in-prose citation authors
  #show cite.where(form: "prose"): it => {
    show regex("\. \["): " ["
    it
  }

Reproduction URL

No response

Operating system

Linux

Typst version

• I am using the latest version of Typst

Footnotes

1. The cs:intext element was added in yet unreleased CSL 1.1. See https://github.com/citation-style-language/schema/pull/193. ↩