diff --git a/bacon.toml b/bacon.toml
index 1c0870aa..de42f3d6 100644
--- a/bacon.toml
+++ b/bacon.toml
@@ -55,9 +55,15 @@ command = [ "cargo", "run", "--color", "always" ]
 need_stdout = true
 allow_warnings = true
 
+[jobs.parser]
+command = [ "treesitter", "test" ]
+need_stdout = true
+allow_warnings = true
+
 # You may define here keybindings that would be specific to
 # a project, for example a shortcut to launch a specific job.
 # Shortcuts to internal functions (scrolling, toggling, etc.)
 # should go in your personal prefs.toml file instead.
 [keybindings]
 n = "job:nextest"
+p = "job:parser"
diff --git a/examples/simple_exprs.tk b/examples/simple_exprs.tk
index b56d1b0f..8964a6f4 100644
--- a/examples/simple_exprs.tk
+++ b/examples/simple_exprs.tk
@@ -1,6 +1,7 @@
 #!/usr/bin/env tako
 // test: all
 
+/* /* */*/
 0;
 
 (0);
diff --git a/tree-sitter-tako/watch_highlight.sh b/tree-sitter-tako/watch_highlight.sh
new file mode 100755
index 00000000..f445240e
--- /dev/null
+++ b/tree-sitter-tako/watch_highlight.sh
@@ -0,0 +1 @@
+while true; do clear && tree-sitter highlight test.tk; sleep 2; done