diff --git a/newt-vscode/src/abbrev.ts b/newt-vscode/src/abbrev.ts
index 2edf5b6..8294dd6 100644
--- a/newt-vscode/src/abbrev.ts
+++ b/newt-vscode/src/abbrev.ts
@@ -11,5 +11,8 @@ export const ABBREV: Record<string, string> = {
   "\\>": "⟩",
   "\\_0": "₀",
   "\\_1": "₁",
+  "\\_2": "₂",
+  "\\_3": "₃",
+  "\\neg": "¬",
   "\\bN": "ℕ"
 };
diff --git a/newt-vscode/src/extension.ts b/newt-vscode/src/extension.ts
index 1f7087a..41587af 100644
--- a/newt-vscode/src/extension.ts
+++ b/newt-vscode/src/extension.ts
@@ -32,9 +32,9 @@ export function activate(context: vscode.ExtensionContext) {
 
     const lastChange = changes[changes.length - 1];
     const text = lastChange.text;
-
+    console.log("lastChange", lastChange)
     // Check if the last change is a potential shortcut trigger
-    if (!text || !" ')\\".includes(text)) return;
+    if (!text || !( " ')\\".includes(text) || text.startsWith('\n'))) return;
 
     const document = editor.document;
     const position = lastChange.range.end;
diff --git a/playground/src/cmeditor.ts b/playground/src/cmeditor.ts
index efae07e..3870436 100644
--- a/playground/src/cmeditor.ts
+++ b/playground/src/cmeditor.ts
@@ -169,9 +169,10 @@ export class CMEditor implements AbstractEditor {
         ])),
         EditorView.updateListener.of((update) => {
           let doc = update.state.doc;
-
+          console.log('update', update)
           update.changes.iterChanges((fromA, toA, fromB, toB, inserted) => {
-            if (" ')\\_".includes(inserted.toString())) {
+            console.log('inserted', inserted)
+            if (" ')\\_".includes(inserted.toString()) || inserted.lines > 1) {
               console.log("changes", update.changes, update.changes.desc);
               let line = doc.lineAt(fromA);
               let e = fromA - line.from;