Address review feedback

Fix some cut'n'paste errors, and update README slightly.

crates/xilem_svg/README.md

@@ -1,7 +1,7 @@
 # Xilemsvg prototype
 
-This is a proof of concept showing how to use `xilem_core` to render interactive vector graphics into SVG DOM nodes, running in a browser. A next step would be to factor it into a library so that applications can depend on it, but at the moment the test scene is baked in.
+This is a proof of concept showing how to use `xilem_core` to render interactive vector graphics into SVG DOM nodes, running in a browser. It is provided as a library and some examples.
 
-The easiest way to run it is to use [Trunk]. Run `trunk serve`, then navigate the browser to the link provided (usually `http://localhost:8080`).
+The easiest way to run the examples is to use [Trunk]. Go into the appropriate subdirectory of `web_examples`, run `trunk serve`, then navigate the browser to the link provided (usually `http://localhost:8080`).
 
 [Trunk]: https://trunkrs.dev/

crates/xilem_svg/src/common_attrs.rs

@@ -13,14 +13,12 @@ use crate::{
 
 pub struct Fill<T, V> {
     child: V,
-    // This could reasonably be static Cow also, but keep things simple
     brush: Brush,
     phantom: PhantomData<T>,
 }
 
 pub struct Stroke<T, V> {
     child: V,
-    // This could reasonably be static Cow also, but keep things simple
     brush: Brush,
     style: peniko::kurbo::Stroke,
     phantom: PhantomData<T>,
@@ -140,7 +138,7 @@ impl<T, V: View<T>> View<T> for Stroke<T, V> {
         if self.brush != prev.brush || prev_id != *id {
             element
                 .as_element_ref()
-                .set_attribute("fill", &brush_to_string(&self.brush))
+                .set_attribute("stroke", &brush_to_string(&self.brush))
                 .unwrap();
             changed.insert(ChangeFlags::OTHER_CHANGE);
         }