Template:List of subst helper templates

List of subst helper templates

• {{require substitution}} – Prints an error unless substituted.
  • {{always substitute}} – For the Template documentation 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.
• Module:Unsubst – Prevents substitution.
• Module:Unsubst-infobox – Prevents substitution for infoboxes, cleans up parameters.