List of subst helper templates
{{require substitution}}– Prints an error unless substituted.{{substituted or transcluded}}– if-then-else metatemplate that checks if a template is currently being substituted or transcluded{{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.{{may be substituted}}– For the doc of templates whose substitution is optional.{{substitution}}– Allows free-fill description of whether the template should be substituted and under what conditions.
{{ifsubst}}– Forks if substituted or not.{{issubst}}– Returns "yes" if substituted.{{HTML comment}}– To sign substitutions with comments that contain wikitext expansions- Module:Unsubst – Prevents substitution.
- Module:Unsubst-infobox – Prevents substitution for infoboxes, cleans up parameters.