Add the data to ParaPortion for now; there is one per SwTextFrame but there doesn't seem to be anything currently in the layout that exists once per SwTextNode.
38a88d7ff92f sw_redlinehide: add function to create merged paragraph data
sw/source/core/text/itratr.hxx | 6 ++--
sw/source/core/text/porlay.hxx | 42 ++++++++++++++++++++++
sw/source/core/text/redlnitr.cxx | 75 ++++++++++++++++++++++++++++++++++++++--
3 files changed, 119 insertions(+), 4 deletions(-)