knitcitations (version 0.6-2)

check: check if the element is present before creating a RDFa span tag for it.

Description

check if the element is present before creating a RDFa span tag for it.

Usage

check(tag, element)

Arguments

element

the element of the bibentry whose existence we check for

tag

preceding span tag

Value

• if the element is present, return the span tag, followed by the element and closing span tag.