HPCC-9822 Docs:Add linebreak logic

Fix HPCC-9822 Docs:Add linebreak logic
Added linebreak logic to fo(pdf)
html generation not automated yet.

Signed-off-by: g-pan <greg.panagiotatos@lexisnexis.com>
Merge pull request #4727 from g-pan/H9822-br

HPCC-9822 Docs:Add linebreak logic

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>