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2025-11-15T03:43:59Z

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w>Jonesey95: nothing in this template requires the date parameter to be filled in, so this templatedata is incorrect

2024-03-01T17:15:49Z

nothing in this template requires the date parameter to be filled in, so this templatedata is incorrect

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{{Documentation subpage}}
{{High-use}}

{{COinS safe|n}}
{{Nosubst}}<includeonly>{{template shortcut|ISBN?}}</includeonly>
{{Tl|ISBN missing}} is an inline cleanup template for flagging a reference that is missing the [[International Standard Book Number|International Standard Book Number (ISBN)]] of the source document. The template adds [[:Category:Pages with missing ISBNs]] to the article.

==Usage==
{{tlc|ISBN missing|date={{CURRENTMONTHNAME}} {{CURRENTYEAR}}}} or {{tlc|ISBN?|date={{CURRENTMONTHNAME}} {{CURRENTYEAR}}}}

*With a reference formatted via a [[Help:Citation Style 1#Templates|Citation Style 1 template]] ({{Tlx|Cite web}}, {{Tlx|Cite book}}, {{Tlx|Citation}}, etc.):
:#Place {{tlc|ISBN missing|date={{CURRENTMONTHNAME}} {{CURRENTYEAR}}}} outside the citation template
:#{{warnsign|Do not place it in the {{para|isbn}} parameter of a Citation Style 1 template. The inclusion of text other than the digits of an ISBN in {{para|isbn}} corrupts the citation's [[WP:COinS|COinS]] metadata and the citation's link to [[Special:BookSources]].}}
*With a free-form reference, just append {{tlc|ISBN missing|date={{CURRENTMONTHNAME}} {{CURRENTYEAR}}}} to the end of the citation.
* With either method or format, it will render a {{ISBN?}} inline note.

==How to fix the problem flagged by this template==

'''<span style="color:red">Do not remove the <nowiki>{{ISBN missing}}</nowiki> template without fixing the problem in one of the following ways:</span>'''

*'''Determine the ISBN, add it to the reference, then remove the <nowiki>{{ISBN missing}}</nowiki> template'''
:For a reference formatted via a [[Help:Citation Style 1#Templates|Citation Style 1 template]], use its ISBN parameter:
::{{para|isbn|<var>X-XXXX-XXXX-X</var>}}
:For a free-form reference:
:#Add the ISBN as appropriate to the citation, preferably using the {{tl|ISBN}} template, or...
:#''Better yet'', convert the citation to a [[Help:Citation Style 1#Templates|Citation Style 1 template]].

*'''If you are certain that the source document does not have an ISBN, add a {{tl|No ISBN}} template to the reference, then remove the <nowiki>{{ISBN missing}}</nowiki> template'''
:For a reference formatted via a [[Help:Citation Style 1#Templates|Citation Style 1 template]]:
::1. Use its ISBN parameter to state explicitly that the ISBN does not exist:
:::{{para|isbn|<nowiki></nowiki>}} (''you must use HTML'' <code><nowiki></nowiki></code> ''comment tags to hide the message from the citation processing software'')
::2. Place {{Tlx|No ISBN}} outside the citation template
:For free-form reference, just add {{Tlx|No ISBN}} to the end of the citation.

'''<span style="color:red">If you remove the <nowiki>{{ISBN missing}}</nowiki> template without fixing the problem in one of the above ways, someone else will come along later and flag the reference with <nowiki>{{ISBN missing}}</nowiki> again!</span>'''

==TemplateData==
{{TemplateData header}}
<templatedata>
{
"params": {
"date": {
"label": "Month and year",
"autovalue": "{{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}"
}
},
"format": "inline"
}
</templatedata>

==See also==
*{{cl|Citation Style 1 templates}}, includes all Citation Style 1 templates
*[[Wikipedia:ISBN]], describes how to add an ISBN to an article
*{{tl|Lacking ISBN}}
*{{tl|Listed Invalid ISBN}}

<includeonly>{{Sandbox other||

[[Category:Inline citation cleanup templates]]
[[Category:International Standard Book Number templates]]
}}</includeonly>

Template:ISBN missing/doc - Revision history

C: 1 revision imported

w>Jonesey95: nothing in this template requires the date parameter to be filled in, so this templatedata is incorrect