some minor adjustments

Author: king6cong

examples/chain_err.rs

@@ -14,13 +14,13 @@ mod errors {
         foreign_links {
             Io(io::Error) #[doc = "Error during IO"];
         }
-        
+
         errors {
             Launch(phase: LaunchStage) {
                 description("An error occurred during startup")
                 display("Startup aborted: {:?} did not complete successfully", phase)
             }
-            
+
             ConfigLoad(path: String) {
                 description("Config file not found")
                 display("Unable to read file `{}`", path)

examples/quickstart.rs

@@ -63,7 +63,7 @@ fn alternative_main() {
 
 // Use this macro to auto-generate the main above. You may want to
 // set the `RUST_BACKTRACE` env variable to see a backtrace.
-//quick_main!(run);
+// quick_main!(run);
 
 
 // Most functions will return the `Result` type, imported from the

tests/tests.rs

@@ -1,7 +1,4 @@
 #![allow(dead_code)]
-//#![feature(trace_macros)]
-//
-//trace_macros!(true);
 
 #[macro_use]
 extern crate error_chain;
@@ -568,7 +565,7 @@ fn types_declarations() {
 
 #[test]
 /// Calling chain_err over a `Result` containing an error to get a chained error
-//// and constructing a MyError directly, passing it an error should be equivalent.
+/// and constructing a MyError directly, passing it an error should be equivalent.
 fn rewrapping() {
 
     use std::env::VarError::{self, NotPresent, NotUnicode};