cmd/sgblog/http.go | 6 +++---

diff --git a/cmd/sgblog/http.go b/cmd/sgblog/http.go
index a7653372b043a309d09a7a8cce757dd34db03ad83bff2196de3f3bf1fb55afb1..4b6c9c8475f82b89cfa94052098b18e3df7b0ec1130281894fdb47b35916cd8c 100644
--- a/cmd/sgblog/http.go
+++ b/cmd/sgblog/http.go
@@ -149,7 +149,7 @@ }
 
 func checkETag(etag hash.Hash) {
 	ifNoneMatch := os.Getenv("HTTP_IF_NONE_MATCH")
-	if ifNoneMatch != "" && ifNoneMatch == etagString(etag) {
+	if ifNoneMatch == etagString(etag) {
 		fmt.Printf("Status: 304\nETag: %s\n\n", ifNoneMatch)
 		os.Exit(0)
 	}
@@ -705,10 +705,10 @@ 							"#comment", comment.n,
 						}, ""),
 					}},
 					Published: atom.TimeStr(
-						strings.Replace(comment.date, " ", "T", -1),
+						strings.ReplaceAll(comment.date, " ", "T"),
 					),
 					Updated: atom.TimeStr(
-						strings.Replace(comment.date, " ", "T", -1),
+						strings.ReplaceAll(comment.date, " ", "T"),
 					),
 					Content: &atom.Text{
 						Type: "html",