"+" function is to be used for concatenation of pot elements.
Concatenation of 2 pot objects returns a pot (of length 2).
Usage
# S3 method for pot
+(e1, e2)
Arguments
e1
a pot object or a character (vector of length 1).
e2
a pot object or a character (vector of length 1).
Details
at least one of the two objects must be a pot object.
If one of the 2 parameters is a simple string, it is converted as a
pot object with no associated format ; therefore, document default document style
will be used (see addParagraph).