Insert a new element in an Rd object possibly surrounding it with new lines
Insert a new element in an Rd object possibly surrounding it with new lines.
an Rd object
the content to insert, an Rd object.
a logical value, controls the insertion of new lines before and after
val, see `Details'.
val is inserted in
rdo at an appropriate
Rdo_get_insert_pos for detailed
newline is TRUE, newline elements are inserted before and
val but only if they are not already there.
val is a section of an Rd object and
an Rd object which is being constructed or modified.