UPDATE: Dump of initial files

base/src/test/test_escape_quotes.rs

@@ -0,0 +1,12 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::test::util::new_empty_model;
+
+#[test]
+fn escape_quotes() {
+    let mut model = new_empty_model();
+    model._set("A1", r#"="TEST""ABC""#);
+    model.evaluate();
+
+    assert_eq!(model._get_text("A1"), *r#"TEST"ABC"#);
+}