make arduino filetype detection less aggressive (zyedidia#3848)

Andriamanitra · web-flow · commit 4b2f8aa82840 · 2025-09-01T20:46:10.000+02:00
diff --git a/runtime/syntax/arduino.yaml b/runtime/syntax/arduino.yaml
@@ -1,7 +1,7 @@
 filetype: ino
 
 detect:
-    filename: "\\.?ino$"
+    filename: "\\.ino$"
 
 rules:
     - identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
