Auto merge of #18924 - mbrubeck:doc, r=Manishearth

Fix commonmark Markdown warnings in docs, part 1

Fixes warnings from rust-lang/rust#44229 when `--enable-commonmark` is passed to rustdoc.

This is mostly a global find-and-replace for bare URIs on lines by themselves in doc comments.

---

- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because they are doc formatting changes only

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18924)
<!-- Reviewable:end -->

1 files changed, 3 insertions, 3 deletions

diff --git a/components/script/dom/touchlist.rs b/components/script/dom/touchlist.rs
index 407a0e296d2..832d45baaeb 100644
--- a/components/script/dom/touchlist.rs
+++ b/components/script/dom/touchlist.rs
@@ -31,17 +31,17 @@ impl TouchList {
 }
 
 impl TouchListMethods for TouchList {
-    /// https://w3c.github.io/touch-events/#widl-TouchList-length
+    /// <https://w3c.github.io/touch-events/#widl-TouchList-length>
     fn Length(&self) -> u32 {
         self.touches.len() as u32
     }
 
-    /// https://w3c.github.io/touch-events/#widl-TouchList-item-getter-Touch-unsigned-long-index
+    /// <https://w3c.github.io/touch-events/#widl-TouchList-item-getter-Touch-unsigned-long-index>
     fn Item(&self, index: u32) -> Option<DomRoot<Touch>> {
         self.touches.get(index as usize).map(|js| DomRoot::from_ref(&**js))
     }
 
-    /// https://w3c.github.io/touch-events/#widl-TouchList-item-getter-Touch-unsigned-long-index
+    /// <https://w3c.github.io/touch-events/#widl-TouchList-item-getter-Touch-unsigned-long-index>
     fn IndexedGetter(&self, index: u32) -> Option<DomRoot<Touch>> {
         self.Item(index)
     }