Template:Hidden code: Difference between revisions
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(Need to include the template parameter or code in it won't be parsed at all!) |
(Improve code and explain implementation details in a comment.) |
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<includeonly><div class="mw-empty-elt">{{{1}}}</div></includeonly><noinclude> | <includeonly><div class="mw-empty-elt">{{trim | {{{1}}} }}</div><!-- | ||
Implementation notes: | |||
* The template parameter {{{1}}} MUST be used, or else its contents won't even be parsed when this template is called. | |||
* The use of trim ensures that the hidden div in the HTML output doesn't contain a crapton of empty paragraphs if you have multiple "paragraphs" of code with empty lines in between. | |||
--></includeonly><noinclude> | |||
This template allows having pure code somewhere in a page's source without disturbing the output. For example, variable definitions, or uses of the <code><nowiki>{{#seo:}}</nowiki></code> tag. | This template allows having pure code somewhere in a page's source without disturbing the output. For example, variable definitions, or uses of the <code><nowiki>{{#seo:}}</nowiki></code> tag. | ||
Latest revision as of 01:26, 7 June 2024
This template allows having pure code somewhere in a page's source without disturbing the output. For example, variable definitions, or uses of the {{#seo:}} tag.
Consider the following:
First paragraph.
{{#lvardef: var1 | Value 1 }}
Second paragraph.
The variable definition in the middle will be parsed as an empty paragraph so the result will look like this:
First paragraph.
Second paragraph.
Using this template fixes the problem:
First paragraph.
{{hidden code|
{{#lvardef: var1 | Value 1 }}
}}
Second paragraph.
Result:
First paragraph.
Second paragraph.