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Template:COinS safe

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Usage

This template is a notice for templates that may be used in citation templates. By default, it indicates the template is safe for use as shown above.

To indicate a template that should not be used in a citation template:

{{COinS safe|n}}

  • |addtext= — additional text shown after the main message

When the template is set to not safe, the page is placed into Category:Templates not safe for use in citation templates.

Issue

Citation templates such as Citation Style 1 and Citation Style 2 generate COinS metadata. If a template is used in a citation template field, then it may inject HTML into the metadata.

Compare the rendered HTML for {{cite book}} with |author= using no template and using {{smallcaps}}.

Markup Renders as
{{cite book |author=Sam Drucker |title=Title}}

Sam Drucker. Title.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

<cite class="citation book">Sam Drucker. ''Title''.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Title&rft.au=Sam+Drucker&rfr_id=info%3Asid%2Fnordiclarp.org%3ATemplate%3ACOinS+safe" class="Z3988"></span><templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

{{cite book |author={{smallcaps|Sam Drucker}} |title=Title}}

<templatestyles src="smallcaps/styles.css"/>Sam Drucker. Title.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

<cite class="citation book"><templatestyles src="smallcaps/styles.css"/><span class="smallcaps">Sam Drucker</span>. ''Title''.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Title&rft.au=%3Ctemplatestyles+src%3D%22smallcaps%2Fstyles.css%22%2F%3E%3Cspan+class%3D%22smallcaps%22%3ESam+Drucker%3C%2Fspan%3E&rfr_id=info%3Asid%2Fnordiclarp.org%3ATemplate%3ACOinS+safe" class="Z3988"></span><templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

The author metadata is in the rft.aulast field. In this case, it is percent-encoded and is rendered as <span class="smallcaps" style="font-variant:small-caps;">Sam Drucker</span>

Reference management software will interpret the entire span as the author name.

See also