# Test undo of \sqrt in \frac
# 

Lang C
TestBegin test.lyx > bug-math-undo.loga.txt 2>&1
KK: \Amm\\frac \\sqrt \Cz
KK: \[Return]
TestEnd
Lang C
Assert ! pcregrep -M 'SIGSEGV' bug-math-undo.loga.txt