Revert "language: Remove buffer fingerprinting (#9007)"

This reverts commit 6f2f61c9b1.

Cargo.lock

@@ -1567,6 +1567,17 @@ dependencies = [
  "workspace",
 ]
 
+[[package]]
+name = "bromberg_sl2"
+version = "0.6.0"
+source = "git+https://github.com/zed-industries/bromberg_sl2?rev=950bc5482c216c395049ae33ae4501e08975f17f#950bc5482c216c395049ae33ae4501e08975f17f"
+dependencies = [
+ "digest 0.9.0",
+ "lazy_static",
+ "rayon",
+ "seq-macro",
+]
+
 [[package]]
 name = "bstr"
 version = "1.6.2"
@@ -7746,6 +7757,7 @@ name = "rope"
 version = "0.1.0"
 dependencies = [
  "arrayvec 0.7.4",
+ "bromberg_sl2",
  "gpui",
  "log",
  "rand 0.8.5",
@@ -8325,6 +8337,12 @@ version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
 
+[[package]]
+name = "seq-macro"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a9f47faea3cad316faa914d013d24f471cd90bfca1a0c70f05a3f42c6441e99"
+
 [[package]]
 name = "serde"
 version = "1.0.196"