Preserve FTP password and filename whitespace

src/control.rs

@@ -64,7 +64,9 @@ fn names_a_conflict(text: &str) -> bool {
     .collect();
   words.contains(&"exists")
     || words.contains(&"nonempty")
-    || words.windows(2).any(|pair| matches!(pair, ["not" | "non", "empty"]))
+    || words
+      .windows(2)
+      .any(|pair| matches!(pair, ["not" | "non", "empty"]))
 }
 
 /// What the first reply to a transfer command means. A transfer answers with
@@ -255,7 +257,10 @@ mod tests {
     ));
     // The same two conditions as other servers phrase them.
     assert!(matches!(
-      refusal(550, "550 Cannot create a file when that file already exists."),
+      refusal(
+        550,
+        "550 Cannot create a file when that file already exists."
+      ),
       Err(ErrorCode::Conflict)
     ));
     assert!(matches!(