This is a regression. Scenario: search for a string, then backspace until it goes empty.
6PRGXS6XLC7P2EASPUU64OHJUIMEDWAWRLFB265KSFPJIMTKQ6WAC
4FTOQOPZLSWHIQ45X6BTMJ5RXP6NIOOYYYRBCXVMDADSTSJD4P6AC
5ZA3BRNYWKSGEBJ4JLA4UBC3LJPT5JBWYCU7PQYRSGX6MJMEWDIQC
LXTTOB33N2HCUZFIUDRQGGBVHK2HODRG4NBLH6RXRQZDCHF27BSAC
MSOQI3A5BC5PY2MZXZQAQ4EQDT4KICQJPN3YUZVDYTWXSPZWBLIAC
AMOPICKVRHMQERJLFPMAAEBV7TL5QACGGSBJWRCMV5R5O3KDVETAC
2L5MEZV344TOZLVY3432RHJFIRVXFD6O3GWLL5O4CV66BGAFTURQC