diff --git a/src/ink/termio/ansi.ts b/src/ink/termio/ansi.ts
index c6e8eff..a3e7a7e 100644
--- a/src/ink/termio/ansi.ts
+++ b/src/ink/termio/ansi.ts
@@ -73,3 +73,4 @@ export function isC0(byte: number): boolean {
 export function isEscFinal(byte: number): boolean {
   return byte >= 0x30 && byte <= 0x7e
 }
+