Template:List of subst helper templates

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.