diff --git a/docs/language/dart.sty b/docs/language/dart.sty
index 2ef21643b2b..627ff443a9c 100644
--- a/docs/language/dart.sty
+++ b/docs/language/dart.sty
@@ -1,4 +1,5 @@
 \def\keyword#1{\textbf{#1}}
+\def\builtinId#1{\textbf{#1}}
 \def\comment#1{\textit{#1}}
 \def\capt#1{\rmfamily \caption{#1}}
 \newcommand{\cd}[1]{\textsf{#1}}
@@ -7,8 +8,8 @@
 \def\<{$\langle$}
 \def\>{$\rangle$}
 
-  \def\ABSTRACT{\keyword{abstract}}
-  \def\AS{\keyword{as}}  
+  \def\ABSTRACT{\builtinId{abstract}}
+  \def\AS{\builtinId{as}}  
   \def\ASSERT{\keyword{assert}}
   \def\BOOLEAN{\keyword{boolean}}
   \def\BREAK{\keyword{break}}
@@ -19,51 +20,51 @@
   \def\CONST{\keyword{const}}
   \def\CONTINUE{\keyword{continue}}
   \def\DEFAULT{\keyword{default}}
-  \def\DYNAMIC{\keyword{dynamic}}
+  \def\DYNAMIC{\builtinId{dynamic}}
   \def\DO{\keyword{do}}
   \def\ELSE{\keyword{else}}
     \def\ENUM{\keyword{enum}}
   \def\EQUALS{\keyword{equals}}
-  \def\EXPORT{\keyword{export}}
+  \def\EXPORT{\builtinId{export}}
   \def\EXTENDS{\keyword{extends}}
-  \def\EXTERNAL{\keyword{external}}
-  \def\FACTORY{\keyword{factory}}  
+  \def\EXTERNAL{\builtinId{external}}
+  \def\FACTORY{\builtinId{factory}}  
   \def\FALSE{\keyword{false}}  
   \def\FINAL{\keyword{final}} 
   \def\FINALLY{\keyword{finally}}
   \def\FOR{\keyword{for}}
-  \def\GET{\keyword{get}}  
+  \def\GET{\builtinId{get}}  
   \def\HIDE{\keyword{hide}}
   \def\IF{\keyword{if}}  
-  \def\IMPLEMENTS{\keyword{implements}}
-  \def\IMPORT{\keyword{import}}
+  \def\IMPLEMENTS{\builtinId{implements}}
+  \def\IMPORT{\builtinId{import}}
   \def\IN{\keyword{in}}
   \def\INT{\keyword{int}}
   \def\INTERFACE{\keyword{interface}}
   \def\IS{\keyword{is}}
-  \def\LIBRARY{\keyword{library}}
+  \def\LIBRARY{\builtinId{library}}
   \def\NATIVE{\keyword{native}}  
   \def\NEGATE{\keyword{negate}}  
   \def\NEW{\keyword{new}}      
   \def\NULL{\keyword{null}}
   \def\ON{\keyword{on}}  
   \def\OF{\keyword{of}}  
-  \def\OPERATOR{\keyword{operator}}
-  \def\PART{\keyword{part}} 
+  \def\OPERATOR{\builtinId{operator}}
+  \def\PART{\builtinId{part}} 
   \def\PRIVATE{\keyword{private}}
   \def\RETHROW{\keyword{rethrow}}
   \def\RETURN{\keyword{return}}
-  \def\SET{\keyword{set}} 
+  \def\SET{\builtinId{set}} 
   \def\SHOW{\keyword{show}} 
   \def\SOURCE{\keyword{source}}  
-  \def\STATIC{\keyword{static}}
+  \def\STATIC{\builtinId{static}}
   \def\SUPER{\keyword{super}}  
   \def\SWITCH{\keyword{switch}}  
   \def\THIS{\keyword{this}}
   \def\THROW{\keyword{throw}}
   \def\TRUE{\keyword{true}}
   \def\TRY{\keyword{try}}
-  \def\TYPEDEF{\keyword{typedef}}
+  \def\TYPEDEF{\builtinId{typedef}}
   \def\THIS{\keyword{this}}
   \def\VAR{\keyword{var}}  
   \def\VOID{\keyword{void}}