Typing \u crashes the application

[Poly2it]

Splendid app! Typing \u crashes it though.

thread '<unnamed>' panicked at /build/cargo-vendor-dir/rink-core-0.6.2/src/text_query.rs:298:60:
called `Result::unwrap()` on an `Err` value: ParseIntError { kind: Empty }
stack backtrace:
   0:     0x7f0a0fc74c49 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2f5a6b58013db6e9
   1:     0x7f0a0fc92a13 - core::fmt::write::hfa96557f28429d69
   2:     0x7f0a0fc61813 - std::io::Write::write_fmt::h37f3912886494215
   3:     0x7f0a0fc74a93 - std::sys::backtrace::BacktraceLock::print::h82a3e77ee14f93d1

I'm on the latest flake version.