Fastfix for previous two commits (sorry) and chroma update.

Well, doing "git add ." not from repository's root is a bad idea.

Updated chroma dependency, added more languages to syntax highlighting.

vendor/github.com/alecthomas/chroma/lexers/h/http.go

@@ -34,7 +34,7 @@ var HTTP = internal.Register(httpBodyContentTypeLexer(MustNewLexer(
 )))
 
 func httpContentBlock(groups []string, lexer Lexer) Iterator {
-	tokens := []*Token{
+	tokens := []Token{
 		{Generic, groups[0]},
 	}
 	return Literator(tokens...)
@@ -42,7 +42,7 @@ func httpContentBlock(groups []string, lexer Lexer) Iterator {
 }
 
 func httpHeaderBlock(groups []string, lexer Lexer) Iterator {
-	tokens := []*Token{
+	tokens := []Token{
 		{Name, groups[1]},
 		{Text, groups[2]},
 		{Operator, groups[3]},
@@ -54,7 +54,7 @@ func httpHeaderBlock(groups []string, lexer Lexer) Iterator {
 }
 
 func httpContinuousHeaderBlock(groups []string, lexer Lexer) Iterator {
-	tokens := []*Token{
+	tokens := []Token{
 		{Text, groups[1]},
 		{Literal, groups[2]},
 		{Text, groups[3]},
@@ -76,8 +76,8 @@ func (d *httpBodyContentTyper) Tokenise(options *TokeniseOptions, text string) (
 		return nil, err
 	}
 
-	return func() *Token {
-		for token := it(); token != nil; token = it() {
+	return func() Token {
+		for token := it(); token != EOF; token = it() {
 			switch {
 			case token.Type == Name && strings.ToLower(token.Value) == "content-type":
 				{
@@ -85,6 +85,7 @@ func (d *httpBodyContentTyper) Tokenise(options *TokeniseOptions, text string) (
 				}
 			case token.Type == Literal && isContentType:
 				{
+					isContentType = false
 					contentType = strings.TrimSpace(token.Value)
 					pos := strings.Index(contentType, ";")
 					if pos > 0 {
@@ -111,7 +112,7 @@ func (d *httpBodyContentTyper) Tokenise(options *TokeniseOptions, text string) (
 						if err != nil {
 							panic(err)
 						}
-						return nil
+						return EOF
 					}
 				}
 
@@ -121,11 +122,11 @@ func (d *httpBodyContentTyper) Tokenise(options *TokeniseOptions, text string) (
 		}
 
 		if subIterator != nil {
-			for token := subIterator(); token != nil; token = subIterator() {
+			for token := subIterator(); token != EOF; token = subIterator() {
 				return token
 			}
 		}
-		return nil
+		return EOF
 
 	}, nil
 }