From e7ea38652b0205bedf80794a0a19318359a090e3 Mon Sep 17 00:00:00 2001
From: majiang <majiang@users.noreply.github.com>
Date: Sat, 24 Feb 2018 19:45:36 +0900
Subject: [PATCH] Do not emit BOM for UTF-8 (Solve #88) (#89)

Do not emit BOM for UTF-8 (Solve #88)
merged-on-behalf-of: BBasile <BBasile@users.noreply.github.com>
---
 source/dyaml/emitter.d |  3 +--
 source/dyaml/stream.d  | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/source/dyaml/emitter.d b/source/dyaml/emitter.d
index f00b811..cbe1177 100644
--- a/source/dyaml/emitter.d
+++ b/source/dyaml/emitter.d
@@ -1177,11 +1177,10 @@ struct Emitter
         void writeStreamStart() @system
         {
             immutable(ubyte)[] bom;
-            //Write BOM (always, even for UTF-8)
+            //Write BOM (except for UTF-8)
             final switch(encoding_)
             {
                 case Encoding.UTF_8:
-                    bom = ByteOrderMarks[BOM.UTF8];
                     break;
                 case Encoding.UTF_16:
                     bom = std.system.endian == Endian.littleEndian 
diff --git a/source/dyaml/stream.d b/source/dyaml/stream.d
index 6a5ac00..eb58032 100644
--- a/source/dyaml/stream.d
+++ b/source/dyaml/stream.d
@@ -134,3 +134,18 @@ unittest
     // Clean up.
     remove("output.yaml");
 }
+
+unittest // #88, #89
+{
+    import dyaml.dumper, dyaml.loader;
+    import std.file : remove, read;
+
+    enum fn = "output.yaml";
+    scope (exit) fn.remove;
+
+    auto dumper = Dumper(fn);
+    dumper.YAMLVersion = null; // supress directive
+    dumper.dump(Loader.fromString("Hello world".dup).load);
+
+    assert (cast (char[]) fn.read()[0..3] == "Hel");
+}