helloserver: implement -g flag It was documented and parsed but not used. Change-Id: I4c19429b3761819b3bae70f06fc2b55431c0f88c Reviewed-on: https://go-review.googlesource.com/c/example/+/514578 TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Russ Cox <rsc@golang.org>

diff --git a/helloserver/server.go b/helloserver/server.go
index 425386a..ea3977e 100644
--- a/helloserver/server.go
+++ b/helloserver/server.go

@@ -71,5 +71,5 @@
 	}
 
 	fmt.Fprintf(w, "<!DOCTYPE html>\n")
-	fmt.Fprintf(w, "Hello, %s!\n", html.EscapeString(name))
+	fmt.Fprintf(w, "%s, %s!\n", *greeting, html.EscapeString(name))
 }