Merge pull request #3 from sfackler/master

Update to match rust-lang/rust#34753

src/lib.rs

diff --git a/src/lib.rs b/src/lib.rs
index 7a6c59d..e7a350d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -172,7 +172,9 @@
                         "$u20$", => " ",
                         "$u27$", => "'",
                         "$u5b$", => "[",
-                        "$u5d$", => "]"
+                        "$u5d$", => "]",
+                        "$u7b$", => "{",
+                        "$u7d$", => "}"
                     }
                 } else {
                     let idx = rest.find('$').unwrap_or(rest.len());