diff --git a/Cargo.lock b/Cargo.lock
index 80ed7ab..ef2ba6d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -566,9 +566,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.9"
+version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ff1f980957787286a554052d03c7aee98d99cc32e09f6d45f0a814133c87978"
+checksum = "7d82ee10ce34d7bc12c2122495e7593a9c41347ecdd64185af4ecf72cb1a7f83"
 dependencies = [
  "cfg-if 1.0.0",
  "once_cell",
@@ -685,7 +685,7 @@ checksum = "453440c271cf5577fd2a40e4942540cb7d0d2f85e27c8d07dd0023c925a67541"
 [[package]]
 name = "eframe"
 version = "0.18.0"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "bytemuck",
  "egui",
@@ -705,7 +705,7 @@ dependencies = [
 [[package]]
 name = "egui"
 version = "0.18.1"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "ahash",
  "epaint",
@@ -717,7 +717,7 @@ dependencies = [
 [[package]]
 name = "egui-winit"
 version = "0.18.0"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "arboard",
  "egui",
@@ -731,7 +731,7 @@ dependencies = [
 [[package]]
 name = "egui_glow"
 version = "0.18.1"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "bytemuck",
  "egui",
@@ -751,7 +751,7 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 [[package]]
 name = "emath"
 version = "0.18.0"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "bytemuck",
  "serde",
@@ -760,7 +760,7 @@ dependencies = [
 [[package]]
 name = "epaint"
 version = "0.18.1"
-source = "git+https://github.com/Titaniumtown/egui.git#31c1ff98cc7f079e39992075ba5b7fe528fab1bc"
+source = "git+https://github.com/Titaniumtown/egui.git#bc631d802bdaca930e07e78b7497ba626944b8d7"
 dependencies = [
  "ab_glyph",
  "ahash",
@@ -1047,9 +1047,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.9.0"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c6392766afd7964e2531940894cffe4bd8d7d17dbc3c1c4857040fd4b33bdb3"
+checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -1057,9 +1057,9 @@ dependencies = [
 
 [[package]]
 name = "inferno"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "244ae9456c246081801028c893ee0e2b71be4f0380894e2cd53974c3beea0c64"
+checksum = "9a262875c8e10820b9366e991ed6710cd80dc93578375e5d499fcbd408985937"
 dependencies = [
  "ahash",
  "atty",
@@ -1309,9 +1309,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
+checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf"
 dependencies = [
  "libc",
  "log",
@@ -1522,9 +1522,9 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
 dependencies = [
  "autocfg",
  "num-bigint",
@@ -1869,9 +1869,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.39"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
+checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
 dependencies = [
  "unicode-ident",
 ]
@@ -1887,9 +1887,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.19"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f53dc8cf16a769a6f677e09e7ff2cd4be1ea0f48754aac39520536962011de0d"
+checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
 dependencies = [
  "proc-macro2",
 ]
@@ -2034,7 +2034,7 @@ dependencies = [
 [[package]]
 name = "ruzstd"
 version = "0.2.4"
-source = "git+https://github.com/KillingSpark/zstd-rs.git#b354d185315df90a84d0cbec311703d3c5a10963"
+source = "git+https://github.com/KillingSpark/zstd-rs.git#ebe150630b1d750dfc18c6dd3434c51fa594b5ce"
 dependencies = [
  "byteorder",
  "twox-hash",
@@ -2174,9 +2174,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
+checksum = "cc88c725d61fc6c3132893370cac4a0200e3fedf5da8331c570664b1987f5ca2"
 
 [[package]]
 name = "smithay-client-toolkit"
@@ -2198,12 +2198,30 @@ dependencies = [
 ]
 
 [[package]]
-name = "smithay-clipboard"
-version = "0.6.5"
+name = "smithay-client-toolkit"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "610b551bd25378bfd2b8e7a0fcbd83d427e8f2f6a40c47ae0f70688e9949dd55"
+checksum = "f307c47d32d2715eb2e0ece5589057820e0e5e70d07c247d1063e844e107f454"
 dependencies = [
- "smithay-client-toolkit",
+ "bitflags",
+ "dlib",
+ "lazy_static",
+ "log",
+ "memmap2 0.5.4",
+ "nix 0.24.1",
+ "pkg-config",
+ "wayland-client",
+ "wayland-cursor",
+ "wayland-protocols",
+]
+
+[[package]]
+name = "smithay-clipboard"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a345c870a1fae0b1b779085e81b51e614767c239e93503588e54c5b17f4b0e8"
+dependencies = [
+ "smithay-client-toolkit 0.16.0",
  "wayland-client",
 ]
 
@@ -2393,9 +2411,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709595b8878a4965ce5e87ebf880a7d39c9afc6837721b21a5a816a8117d921"
+checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
 dependencies = [
  "once_cell",
  "valuable",
@@ -2479,9 +2497,9 @@ checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
+checksum = "81dee68f85cab8cf68dec42158baf3a79a1cdc065a8b103025965d6ccb7f6cbd"
 dependencies = [
  "tinyvec",
 ]
@@ -2855,7 +2873,7 @@ dependencies = [
  "parking_lot 0.11.2",
  "percent-encoding",
  "raw-window-handle",
- "smithay-client-toolkit",
+ "smithay-client-toolkit 0.15.4",
  "wasm-bindgen",
  "wayland-client",
  "wayland-protocols",
diff --git a/tests/parsing.rs b/tests/parsing.rs
index d888fd1..8dcbcff 100644
--- a/tests/parsing.rs
+++ b/tests/parsing.rs
@@ -204,6 +204,7 @@ fn split_function_multiplication() {
 		("10*10", vec!["10", "10"]),
 		("a1b2c3d4", vec!["a1b2c3d4"]),
 		("cos(sin(x)cos(x))", vec!["cos(sin(x)", "cos(x))"]),
+		("", Vec::new()),
 	]);
 
 	for (key, value) in values {
@@ -218,10 +219,13 @@ fn split_function_multiplication() {
 fn split_function_terms() {
 	use parsing::SplitType;
 
-	let values = HashMap::from([(
-		"cos(sin(x)cos(x))",
-		vec!["cos(", "sin(", "x)", "cos(", "x))"],
-	)]);
+	let values = HashMap::from([
+		(
+			"cos(sin(x)cos(x))",
+			vec!["cos(", "sin(", "x)", "cos(", "x))"],
+		),
+		("", Vec::new()),
+	]);
 
 	for (key, value) in values {
 		assert_eq!(parsing::split_function(key, SplitType::Term), value);