Fixes a bug when indexing some non-breaking spaces in extended mode #128

Job	Run time
Publish to Github and Crates (windows, windows-latest, stable, x86_64-pc-windows-msvc, x86_64-pc-...	3m 10s
Publish to Github and Crates (linux, ubuntu-latest, stable, x86_64-unknown-linux-musl, x86_64-unk...	3m 15s
Publish to Github and Crates (linux, ubuntu-latest, stable, aarch64-unknown-linux-musl, x86_64-un...	3m 16s
Publish to Github and Crates (macos, macos-latest, stable, x86_64-apple-darwin, x86_64-apple-darw...	3m 9s
Publish to Github and Crates (macos-m1, macos-latest, stable, aarch64-apple-darwin, x86_64-apple-...	3m 9s
Publish to GitHub	1s
Publish Binary NPM packages	1s
Publish Crate	1s
Publish NPM packages	1s
	16m 3s

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