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More information:
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on its
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(Appearance → Show hidden categories) is set.
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en masse
" (for example, pages using deprecated syntax), or that may need to be edited at someone's earliest convenience.
- These categories also serve to aggregate members of several lists or sub-categories into a larger, more efficient list (
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|
| Administrators: Please do not delete this category as empty!
This category may be empty occasionally or even most of the time.
|
This is a tracking category for
CS1 citations
that have empty parameter whose names are not known.
This error message highlights CS1|2 templates that hold empty parameters with names that are not known to a given CS1|2 template. This error message is a companion to
Unknown parameter |xxxx= ignored
.
Empty positional parameters, which typically look like two adjacent pipes in a template,
| |
, or a pipe and then the end of the template,
|}}
, are identified as numbered parameters:
|1=
. Similarly, a pipe followed by an HTML comment that encloses everything before the next pipe or closing brace,
| <!--<
param name/value pair
>--> |
will be identified as an empty numbered parameter. Parameters that have both a pipe and an equal sign but do not have a name are identified as empty-string parameters:
|=
or
| =
→
|(empty string)=
. Various templates that wrap CS1|2 templates may cause this error when they use constructs like this:
|{{#if:{{{2|}}}|title}}={{{2|}}}
. When
{{{2|}}}
does not have a value, the template creates
|=
.
To resolve this error:
- remove the extra pipe,
- correct the parameter name,
- remove the parameter from the CS1|2 template, or
- change the citation to use a more appropriate template (e.g. change
{{
Cite document
}}
to
{{
Cite web
}}
)
Pages with this error are automatically placed in Category:CS1 errors: empty unknown parameters.
[a]
Notes
[
edit
]
- ^
Pages in the Category talk, Draft talk, File talk, Help talk, MediaWiki talk, Module talk, Portal talk, Talk, Template talk, User, User talk, and Wikipedia talk namespaces are not included in the tracking categories. In addition, pages with names matching the patterns '/[Ss]andbox', '/[Tt]estcases', '/[^/]*[Ll]og', and '/[Aa]rchive' are not included in the tracking categories.