Tidy the ported drag block, and format fill.rs as master left it

core/dr-pano/src/fill.rs

@@ -745,8 +745,16 @@ mod tests {
             tile: 64,
             seen: Vec::new(),
         };
-        let tiles = fill_border(&mut rgb, 300, 40, &known, &mut model, test_params(0), &mut |_, _| {})
-            .unwrap();
+        let tiles = fill_border(
+            &mut rgb,
+            300,
+            40,
+            &known,
+            &mut model,
+            test_params(0),
+            &mut |_, _| {},
+        )
+        .unwrap();
         assert!(tiles > 0, "no tile fitted a picture shorter than the tile");
         for i in 0..300 * 40 {
             if !known[i] {

ui/dr-ui/src/collections_ui/drag.rs

@@ -177,16 +177,6 @@ pub(super) fn forget_drag_image_file() {
     }
 }
 
-/// Draw one thumbnail into the composite, scaled to `tw`×`th` at `dx`,`dy`.
-///
-/// Nearest-neighbour: this is a transient 160px cursor bitmap, and a filtered
-/// resample would cost more than it could visibly buy. `dim` darkens the layers
-/// beneath the top one so the stack reads as depth rather than as a smear.
-///
-/// The buffer is premultiplied, so the alpha applied here is baked into the
-/// colour channels as well.
-#[allow(clippy::too_many_arguments)]
-
 /// Draw one thumbnail into the composite, scaled to `tw`×`th` at `dx`,`dy`.
 ///
 /// Nearest-neighbour: this is a transient 160px cursor bitmap, and a filtered