Improve spell checking performance and impl. in several ways:

* do synchronous spell checking, avoiding an idle handler
* avoid continuous invalidations caused per-cell by spell-checking
* cache spell-checking information for a given SharedString to
avoid repeated checking of frequently recurring strings.

Change-Id: Ie251f263a8932465297dd8bd66dfc4aa10984947
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/104705
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

0 files changed, 0 insertions, 0 deletions