Similar to Template:Anchor-common-doc
Template:Str letter
Template:Str letterTemplate:Str letter/trim
Template:Str letter/trimTemplate:Str mid
Template:Str number
Template:Str numberTemplate:Str number/trim
Template:Str number/trimTemplate:Str rep
Template:Str repTemplate:Str right
Template:Str rightTemplate:Str sub new
Template:Str sub newTemplate:Str sub old
Template:Str sub oldTemplate:Str ≠ len
Template:Str ≠ len