From d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Wed, 17 May 2017 16:51:25 -0400
Subject: Upgrading server dependancies (#6431)

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 vendor/github.com/dimchansky/utfbom/README.md | 81 +++++++++++++++++++++++++++
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 create mode 100644 vendor/github.com/dimchansky/utfbom/README.md

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+# utfbom [![Godoc](https://godoc.org/github.com/dimchansky/utfbom?status.png)](https://godoc.org/github.com/dimchansky/utfbom) [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![Build Status](https://travis-ci.org/dimchansky/utfbom.svg?branch=master)](https://travis-ci.org/dimchansky/utfbom) [![Go Report Card](https://goreportcard.com/badge/github.com/dimchansky/utfbom)](https://goreportcard.com/report/github.com/dimchansky/utfbom) [![Coverage Status](https://coveralls.io/repos/github/dimchansky/utfbom/badge.svg?branch=master)](https://coveralls.io/github/dimchansky/utfbom?branch=master)
+
+The package utfbom implements the detection of the BOM (Unicode Byte Order Mark) and removing as necessary. It can also return the encoding detected by the BOM.
+
+## Installation
+
+    go get -u github.com/dimchansky/utfbom
+    
+## Example
+
+```go
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+
+	"github.com/dimchansky/utfbom"
+)
+
+func main() {
+	trySkip([]byte("\xEF\xBB\xBFhello"))
+	trySkip([]byte("hello"))
+}
+
+func trySkip(byteData []byte) {
+	fmt.Println("Input:", byteData)
+
+	// just skip BOM
+	output, err := ioutil.ReadAll(utfbom.SkipOnly(bytes.NewReader(byteData)))
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println("ReadAll with BOM skipping", output)
+
+	// skip BOM and detect encoding
+	sr, enc := utfbom.Skip(bytes.NewReader(byteData))
+	var encStr string
+	switch enc {
+	case utfbom.UTF8:
+		encStr = "UTF8"
+	case utfbom.UTF16BigEndian:
+		encStr = "UTF16 big endian"
+	case utfbom.UTF16LittleEndian:
+		encStr = "UTF16 little endian"
+	case utfbom.UTF32BigEndian:
+		encStr = "UTF32 big endian"
+	case utfbom.UTF32LittleEndian:
+		encStr = "UTF32 little endian"
+	default:
+		encStr = "Unknown, no byte-order mark found"
+	}
+	fmt.Println("Detected encoding:", encStr)
+	output, err = ioutil.ReadAll(sr)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println("ReadAll with BOM detection and skipping", output)
+	fmt.Println()
+}
+```
+
+Output:
+
+```
+$ go run main.go
+Input: [239 187 191 104 101 108 108 111]
+ReadAll with BOM skipping [104 101 108 108 111]
+Detected encoding: UTF8
+ReadAll with BOM detection and skipping [104 101 108 108 111]
+
+Input: [104 101 108 108 111]
+ReadAll with BOM skipping [104 101 108 108 111]
+Detected encoding: Unknown, no byte-order mark found
+ReadAll with BOM detection and skipping [104 101 108 108 111]
+```
+
+
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