Add vendor files for go build

vendor/github.com/alecthomas/chroma/lexers/d/dtd.go

@@ -0,0 +1,69 @@
+package d
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Dtd lexer.
+var Dtd = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "DTD",
+		Aliases:   []string{"dtd"},
+		Filenames: []string{"*.dtd"},
+		MimeTypes: []string{"application/xml-dtd"},
+		DotAll:    true,
+	},
+	Rules{
+		"root": {
+			Include("common"),
+			{`(<!ELEMENT)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("element")},
+			{`(<!ATTLIST)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("attlist")},
+			{`(<!ENTITY)(\s+)(\S+)`, ByGroups(Keyword, Text, NameEntity), Push("entity")},
+			{`(<!NOTATION)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("notation")},
+			{`(<!\[)([^\[\s]+)(\s*)(\[)`, ByGroups(Keyword, NameEntity, Text, Keyword), nil},
+			{`(<!DOCTYPE)(\s+)([^>\s]+)`, ByGroups(Keyword, Text, NameTag), nil},
+			{`PUBLIC|SYSTEM`, KeywordConstant, nil},
+			{`[\[\]>]`, Keyword, nil},
+		},
+		"common": {
+			{`\s+`, Text, nil},
+			{`(%|&)[^;]*;`, NameEntity, nil},
+			{`<!--`, Comment, Push("comment")},
+			{`[(|)*,?+]`, Operator, nil},
+			{`"[^"]*"`, LiteralStringDouble, nil},
+			{`\'[^\']*\'`, LiteralStringSingle, nil},
+		},
+		"comment": {
+			{`[^-]+`, Comment, nil},
+			{`-->`, Comment, Pop(1)},
+			{`-`, Comment, nil},
+		},
+		"element": {
+			Include("common"),
+			{`EMPTY|ANY|#PCDATA`, KeywordConstant, nil},
+			{`[^>\s|()?+*,]+`, NameTag, nil},
+			{`>`, Keyword, Pop(1)},
+		},
+		"attlist": {
+			Include("common"),
+			{`CDATA|IDREFS|IDREF|ID|NMTOKENS|NMTOKEN|ENTITIES|ENTITY|NOTATION`, KeywordConstant, nil},
+			{`#REQUIRED|#IMPLIED|#FIXED`, KeywordConstant, nil},
+			{`xml:space|xml:lang`, KeywordReserved, nil},
+			{`[^>\s|()?+*,]+`, NameAttribute, nil},
+			{`>`, Keyword, Pop(1)},
+		},
+		"entity": {
+			Include("common"),
+			{`SYSTEM|PUBLIC|NDATA`, KeywordConstant, nil},
+			{`[^>\s|()?+*,]+`, NameEntity, nil},
+			{`>`, Keyword, Pop(1)},
+		},
+		"notation": {
+			Include("common"),
+			{`SYSTEM|PUBLIC`, KeywordConstant, nil},
+			{`[^>\s|()?+*,]+`, NameAttribute, nil},
+			{`>`, Keyword, Pop(1)},
+		},
+	},
+))