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