Fix spelling (#2448)

* spelling: access

* spelling: associated

* spelling: because

* spelling: characteristics

* spelling: chooses

* spelling: cleared

* spelling: clustering

* spelling: collaborators

* spelling: connection

* spelling: content

* spelling: conversion

* spelling: deferring

* spelling: detection

* spelling: displayed

* spelling: dispenser

* spelling: heuristic

* spelling: nonexistent

* spelling: oflisting

* spelling: preparses

* spelling: response

* spelling: responder

* spelling: sensitive

* spelling: specify

* spelling: simple

* spelling: spawning

* spelling: status

* spelling: unsupported

* spelling: upstream

* spelling: username

* spelling: whether

caddyhttp/httpserver/condition.go

@@ -191,7 +191,7 @@ func (m IfMatcher) Or(r *http.Request) bool {
 }
 
 // IfMatcherKeyword checks if the next value in the dispenser is a keyword for 'if' config block.
-// If true, remaining arguments in the dispinser are cleard to keep the dispenser valid for use.
+// If true, remaining arguments in the dispenser are cleared to keep the dispenser valid for use.
 func IfMatcherKeyword(c *caddy.Controller) bool {
 	if c.Val() == "if" || c.Val() == "if_op" {
 		// clear remaining args

caddyhttp/httpserver/mitm_test.go

@@ -335,7 +335,7 @@ func TestHeuristicFunctionsAndHandler(t *testing.T) {
 			// in other words, if one returns true, the others
 			// should return false, with as little logic as possible,
 			// but with enough logic to force TLS proxies to do a
-			// good job preserving characterstics of the handshake.
+			// good job preserving characteristics of the handshake.
 			if (isChrome && (isFirefox || isSafari || isEdge || isTor)) ||
 				(isFirefox && (isChrome || isSafari || isEdge || isTor)) ||
 				(isSafari && (isChrome || isFirefox || isEdge || isTor)) ||

caddyhttp/httpserver/plugin.go

@@ -228,7 +228,7 @@ func (h *httpContext) MakeServers() ([]caddy.Server, error) {
 	// make a rough estimate as to whether we're in a "production
 	// environment/system" - start by assuming that most production
 	// servers will set their default CA endpoint to a public,
-	// trusted CA (obviously not a perfect hueristic)
+	// trusted CA (obviously not a perfect heuristic)
 	var looksLikeProductionCA bool
 	for _, publicCAEndpoint := range caddytls.KnownACMECAs {
 		if strings.Contains(certmagic.CA, publicCAEndpoint) {

caddyhttp/httpserver/recorder.go

@@ -217,7 +217,7 @@ func (rb *ResponseBuffer) ReadFrom(src io.Reader) (int64, error) {
 		// https://go-review.googlesource.com/c/22134#message-ff351762308fe05f6b72a487d6842e3988916486
 		buf := respBufPool.Get().([]byte)
 		n, err := io.CopyBuffer(rb.ResponseWriterWrapper, src, buf)
-		respBufPool.Put(buf) // defer'ing this slowed down benchmarks a smidgin, I think
+		respBufPool.Put(buf) // deferring this slowed down benchmarks a smidgin, I think
 		return n, err
 	}
 	return rb.Buffer.ReadFrom(src)

caddyhttp/httpserver/replacer_test.go

@@ -76,7 +76,7 @@ func TestReplace(t *testing.T) {
 	request.Header.Set("CustomAdd", "caddy")
 	request.Header.Set("Cookie", "foo=bar; taste=delicious")
 
-	// add some respons headers
+	// add some response headers
 	recordRequest.Header().Set("Custom", "CustomResponseHeader")
 
 	hostname, err := os.Hostname()
@@ -303,7 +303,7 @@ func BenchmarkReplace(b *testing.B) {
 	request.Header.Set("CustomAdd", "caddy")
 	request.Header.Set("Cookie", "foo=bar; taste=delicious")
 
-	// add some respons headers
+	// add some response headers
 	recordRequest.Header().Set("Custom", "CustomResponseHeader")
 
 	now = func() time.Time {
@@ -336,7 +336,7 @@ func BenchmarkReplaceEscaped(b *testing.B) {
 	request.Header.Set("CustomAdd", "caddy")
 	request.Header.Set("Cookie", "foo=bar; taste=delicious")
 
-	// add some respons headers
+	// add some response headers
 	recordRequest.Header().Set("Custom", "CustomResponseHeader")
 
 	now = func() time.Time {
@@ -473,7 +473,7 @@ func TestRound(t *testing.T) {
 	}
 }
 
-func TestMillisecondConverstion(t *testing.T) {
+func TestMillisecondConversion(t *testing.T) {
 	var testCases = map[time.Duration]int64{
 		2 * time.Second:           2000,
 		9039492 * time.Nanosecond: 9,

caddyhttp/httpserver/siteconfig.go

@@ -86,7 +86,7 @@ type SiteConfig struct {
 }
 
 // Timeouts specify various timeouts for a server to use.
-// If the assocated bool field is true, then the duration
+// If the associated bool field is true, then the duration
 // value should be treated literally (i.e. a zero-value
 // duration would mean "no timeout"). If false, the duration
 // was left unset, so a zero-value duration would mean to

caddyhttp/httpserver/tplcontext_test.go

@@ -101,7 +101,7 @@ func TestInclude(t *testing.T) {
 	for i, test := range tests {
 		testPrefix := getTestPrefix(i)
 
-		// WriteFile truncates the contentt
+		// WriteFile truncates the content
 		err := ioutil.WriteFile(absInFilePath, []byte(test.fileContent), os.ModePerm)
 		if err != nil {
 			t.Fatal(testPrefix+"Failed to create test file. Error was: %v", err)
@@ -162,7 +162,7 @@ func TestMarkdown(t *testing.T) {
 	for i, test := range tests {
 		testPrefix := getTestPrefix(i)
 
-		// WriteFile truncates the contentt
+		// WriteFile truncates the content
 		err := ioutil.WriteFile(absInFilePath, []byte(test.fileContent), os.ModePerm)
 		if err != nil {
 			t.Fatal(testPrefix+"Failed to create test file. Error was: %v", err)