rustdoc: escape the deprecated and unstable reason text

Author: estebank

src/liballoc/boxed.rs

@@ -587,15 +587,15 @@ impl<I: FusedIterator + ?Sized> FusedIterator for Box<I> {}
 /// ```
 #[rustc_paren_sugar]
 #[unstable(feature = "fnbox",
-           reason = "will be deprecated if and when Box<FnOnce> becomes usable", issue = "28796")]
+           reason = "will be deprecated if and when `Box<FnOnce>` becomes usable", issue = "28796")]
 pub trait FnBox<A> {
     type Output;
 
     fn call_box(self: Box<Self>, args: A) -> Self::Output;
 }
 
 #[unstable(feature = "fnbox",
-           reason = "will be deprecated if and when Box<FnOnce> becomes usable", issue = "28796")]
+           reason = "will be deprecated if and when `Box<FnOnce>` becomes usable", issue = "28796")]
 impl<A, F> FnBox<A> for F
     where F: FnOnce<A>
 {
@@ -607,7 +607,7 @@ impl<A, F> FnBox<A> for F
 }
 
 #[unstable(feature = "fnbox",
-           reason = "will be deprecated if and when Box<FnOnce> becomes usable", issue = "28796")]
+           reason = "will be deprecated if and when `Box<FnOnce>` becomes usable", issue = "28796")]
 impl<'a, A, R> FnOnce<A> for Box<FnBox<A, Output = R> + 'a> {
     type Output = R;
 
@@ -617,7 +617,7 @@ impl<'a, A, R> FnOnce<A> for Box<FnBox<A, Output = R> + 'a> {
 }
 
 #[unstable(feature = "fnbox",
-           reason = "will be deprecated if and when Box<FnOnce> becomes usable", issue = "28796")]
+           reason = "will be deprecated if and when `Box<FnOnce>` becomes usable", issue = "28796")]
 impl<'a, A, R> FnOnce<A> for Box<FnBox<A, Output = R> + Send + 'a> {
     type Output = R;
 

src/librustdoc/html/render.rs

@@ -1844,7 +1844,7 @@ fn short_stability(item: &clean::Item, cx: &Context, show_reason: bool) -> Vec<S
 
     if let Some(stab) = item.stability.as_ref() {
         let deprecated_reason = if show_reason && !stab.deprecated_reason.is_empty() {
-            format!(": {}", stab.deprecated_reason)
+            format!(": {}", Escape(&stab.deprecated_reason))
         } else {
             String::new()
         };
@@ -1875,7 +1875,7 @@ fn short_stability(item: &clean::Item, cx: &Context, show_reason: bool) -> Vec<S
                 String::new()
             };
             let unstable_reason = if show_reason && !stab.unstable_reason.is_empty() {
-                format!(": {}", stab.unstable_reason)
+                format!(": {}", Escape(&stab.unstable_reason))
             } else {
                 String::new()
             };
@@ -1884,7 +1884,7 @@ fn short_stability(item: &clean::Item, cx: &Context, show_reason: bool) -> Vec<S
         };
     } else if let Some(depr) = item.deprecation.as_ref() {
         let note = if show_reason && !depr.note.is_empty() {
-            format!(": {}", depr.note)
+            format!(": {}", Escape(&depr.note))
         } else {
             String::new()
         };