The <var> HTML element represents the name of a variable in a mathematical expression or a programming context. It's typically presented using an italicized version of the current typeface, although that behavior is browser-dependent.
Usage
var(..., attr = NULL, separate = FALSE, collapse = "")
Value
A HTML tag string.
Arguments
...
A string or vector of content to pass to the tag.
attr
A named list or named vector, names are attribute names and values are attribute values.
separate
TRUE/FALSE, If TRUE, returns separate tags for each item of ...; if FALSE, returns one tag with the items of ... in the tag content.
collapse
A string. If NULL, returns a vector the same length as ... instead of collapsing the tags into one string.