Template:1

From HFUnderground

This template performs a single Template:Wd (See Template:Wpd) but without the overhead 'code' of the Template:Tl. This is much easier to subst, in particular.Template:2Like {{I}} and other members of the indent family of templates it has some beneficial inheritance attributes within wikimarkup.

Actual code content:
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This is a substable formating utility that duplicates the modified line wrapping behavior of Template:Tl, but without the ability to indent.

It is thus far less costly of template pre-expansion and post expansion memory limits, making it more suitable for formatting in articles wherein a lot of templates are used pushing such limits. Template:Indent family usage