From 743c3684c5bfa9cb373742268baeb66bc50b1035 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 10 Jun 2014 10:32:59 -0700
Subject: [PATCH] comments

---
 main.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.go b/main.go
index 89fccc73a..dabc2e084 100644
--- a/main.go
+++ b/main.go
@@ -114,6 +114,9 @@ func wrappedMain() int {
 	return exitCode
 }
 
+// copyOutput uses output prefixes to determine whether data on stdout
+// should go to stdout or stderr. This is due to panicwrap using stderr
+// as the log and error channel.
 func copyOutput(r io.Reader) {
 	pr, err := prefixedio.NewReader(r)
 	if err != nil {