Wrap PR 1213 to 80 columns

Author: dtolnay

src/read.rs

@@ -977,10 +977,11 @@ fn push_wtf8_codepoint(n: u32, scratch: &mut Vec<u8>) {
 
     scratch.reserve(4);
 
-    // SAFETY: After the `reserve` call, `scratch` has at least 4 bytes of allocated but
-    // unintialized memory after its last initialized byte, which is where `ptr` points. All
-    // reachable match arms write `encoded_len` bytes to that region and update the length
-    // accordingly, and `encoded_len` is always <= 4.
+    // SAFETY: After the `reserve` call, `scratch` has at least 4 bytes of
+    // allocated but unintialized memory after its last initialized byte, which
+    // is where `ptr` points. All reachable match arms write `encoded_len` bytes
+    // to that region and update the length accordingly, and `encoded_len` is
+    // always <= 4.
     unsafe {
         let ptr = scratch.as_mut_ptr().add(scratch.len());