I get an assertion if I leave the cursor inside a math inset and quit lyx.
inset: 0xde6118 idx: 0 par: 971 pos: 477
inset: 0x1009a70 idx: 0 par: 0 pos: 4
Assertion triggered in Paragraph& DocIterator::paragraph() by failing
check "inTexted()" in file dociterator.C:157
Aborted
--
Lgb
