Simplified the lexer output for doctypes.

lib/oga/lexer.rl

@@ -282,7 +282,7 @@ module Oga
 
       action start_doctype {
         emit_buffer
-        t(:T_DOCTYPE_START)
+        add_token(:T_DOCTYPE_START, nil)
         fcall doctype;
       }
 
@@ -300,7 +300,7 @@ module Oga
         whitespace;
 
         '>' => {
-          t(:T_DOCTYPE_END)
+          add_token(:T_DOCTYPE_END, nil)
           fret;
         };
       *|;

spec/oga/lexer/doctype_spec.rb

@@ -4,28 +4,28 @@ describe Oga::Lexer do
   context 'doctypes' do
     example 'lex the HTML5 doctype' do
       lex('<!DOCTYPE html>').should == [
-        [:T_DOCTYPE_START, '<!DOCTYPE html', 1],
-        [:T_DOCTYPE_END, '>', 1]
+        [:T_DOCTYPE_START, nil, 1],
+        [:T_DOCTYPE_END, nil, 1]
       ]
     end
 
     example 'lex a doctype with a public and system ID' do
       lex('<!DOCTYPE HTML PUBLIC "foobar" "baz">').should == [
-        [:T_DOCTYPE_START, '<!DOCTYPE HTML', 1],
+        [:T_DOCTYPE_START, nil, 1],
         [:T_DOCTYPE_TYPE, 'PUBLIC', 1],
         [:T_STRING, 'foobar', 1],
         [:T_STRING, 'baz', 1],
-        [:T_DOCTYPE_END, '>', 1]
+        [:T_DOCTYPE_END, nil, 1]
       ]
     end
 
     example 'lex a doctype with a public and system ID using single quotes' do
       lex("<!DOCTYPE HTML PUBLIC 'foobar' 'baz'>").should == [
-        [:T_DOCTYPE_START, '<!DOCTYPE HTML', 1],
+        [:T_DOCTYPE_START, nil, 1],
         [:T_DOCTYPE_TYPE, 'PUBLIC', 1],
         [:T_STRING, 'foobar', 1],
         [:T_STRING, 'baz', 1],
-        [:T_DOCTYPE_END, '>', 1]
+        [:T_DOCTYPE_END, nil, 1]
       ]
     end
   end

spec/oga/lexer/documents_spec.rb

@@ -14,8 +14,8 @@ describe Oga::Lexer do
       EOF
 
       lex(html).should == [
-        [:T_DOCTYPE_START, '<!DOCTYPE html', 1],
-        [:T_DOCTYPE_END, '>', 1],
+        [:T_DOCTYPE_START, nil, 1],
+        [:T_DOCTYPE_END, nil, 1],
         [:T_TEXT, "\n", 1],
 
         # <html>