Rdo_modify_simple(rdo, text, section, ...)Rdo_modify.text is used to modify (as a replacement of or
addition to) the content of section section of rdo.
This function can be used for simple modifications of an Rd object
using character content without converting it separately to Rd.
text is converted to Rd with char2Rdpiece(text, section).
The result is passed to Rdo_modify, together with
the remaining arguments.Rdo_modify