Template:Issubst/doc
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Revision as of 20:54, 13 September 2016 by imported>Pppery (Fix heading level and remove merged templates)
![]() | This is a documentation subpage for Template:Issubst. It contains usage information, categories and other content that is not part of the original template page. |
Usage =
Meta template that returns "yes" if evaluated during substitution, and the empty string if evaluated during transclusion.
Note that this template must be used in safesubst mode to work properly:
{{ {{{|safesubst:}}}issubst}}
Examples
- "
{{issubst}}
" → "" - "
{{subst:issubst}}
" → "yes"
List of subst helper templates
- {{require substitution}}: Prints an error unless substituted.
- {{always substitute}}: For the doc of the above templates; prints a message asking for it be substituted.
- {{never substitute}}: The reverse of {{always substitute}}. For the doc of templates which should not be substituted; prints a message asking for it not to be substituted.
- {{substitution}}: Allows free-fill description of whether the template should be substituted and under what conditions.
- {{issubst}}: Returns "yes" if substituted.
- {{ifsubst}}: Forks if substituted or not.
- Module:Unsubst: Prevents substitution.
- Module:Unsubst-infobox: Prevents substitution for infoboxes, cleans up parameters.