.txt.txt | Firefox Recent |

When a user attempts to save a file as .txt.txt , a warning should appear stating: "The extension '.txt.txt' is unusual. Did you mean '.txt'?" This helps prevent user confusion. To make this feature even better, let me know:

if filename.endswith(".txt.txt"): safe_filename = filename.replace(".txt.txt", ".txt") # Log incident for user warn_user("Double extension detected. Renaming for safety.") Use code with caution. Copied to clipboard .txt.txt

Ensure File Open Dialogues include *.txt.txt in the "Plain Text Files" filter. 4. User Experience When a user attempts to save a file as