Performed some keyword related clean-ups.

docs/language/dart.sty

Index: docs/language/dart.sty
diff --git a/docs/language/dart.sty b/docs/language/dart.sty
index d22dde61305695619a89aec8edacc358ae7a3cfb..281692ec6b8287c8a7d8a8cb7a552afa1ac7bf84 100644
--- a/docs/language/dart.sty
+++ b/docs/language/dart.sty
@@ -3,64 +3,59 @@
 \def\comment#1{\textit{#1}}
 \def\capt#1{\rmfamily \caption{#1}}
 \newcommand{\cd}[1]{\textsf{#1}}
-\def\lt{$<$}
-\def\gt{$>$}
-\def\<{$\langle$}
-\def\>{$\rangle$}
+\def\lt{\ensuremath{<}}
+\def\gt{\ensuremath{>}}
+\def\<{\ensuremath{\langle}}
+\def\>{\ensuremath{\rangle}}
 \def\metavar#1{\ensuremath{\mathit{#1}}}
+
 \def\ABSTRACT{\builtinId{abstract}}
 \def\AS{\builtinId{as}}
+\def\DEFERRED{\builtinId{deferred}}
+\def\DYNAMIC{\builtinId{dynamic}}
+\def\EXPORT{\builtinId{export}}
+\def\EXTERNAL{\builtinId{external}}
+\def\FACTORY{\builtinId{factory}}
+\def\GET{\builtinId{get}}
+\def\IMPLEMENTS{\builtinId{implements}}
+\def\IMPORT{\builtinId{import}}
+\def\LIBRARY{\builtinId{library}}
+\def\OPERATOR{\builtinId{operator}}
+\def\PART{\builtinId{part}}
+\def\SET{\builtinId{set}}
+\def\STATIC{\builtinId{static}}
+\def\TYPEDEF{\builtinId{typedef}}
+
 \def\ASSERT{\keyword{assert}}
 \def\ASYNC{\keyword{async}}
 \def\AWAIT{\keyword{await}}
-\def\BOOLEAN{\keyword{boolean}}
 \def\BREAK{\keyword{break}}
-\def\CASE{\keyword{case}}
-\def\CLASS{\keyword{class}}
 \def\CALL{\keyword{call}}
+\def\CASE{\keyword{case}}
 \def\CATCH{\keyword{catch}}
+\def\CLASS{\keyword{class}}
 \def\CONST{\keyword{const}}
 \def\CONTINUE{\keyword{continue}}
 \def\DEFAULT{\keyword{default}}
-\def\DEFERRED{\keyword{deferred}}
-\def\DYNAMIC{\builtinId{dynamic}}
 \def\DO{\keyword{do}}
 \def\ELSE{\keyword{else}}
 \def\ENUM{\keyword{enum}}
-\def\EQUALS{\keyword{equals}}
-\def\EXPORT{\builtinId{export}}
 \def\EXTENDS{\keyword{extends}}
-\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{\builtinId{get}}
 \def\HIDE{\keyword{hide}}
 \def\IF{\keyword{if}}
-\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{\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{\builtinId{operator}}
-\def\PART{\builtinId{part}}
-\def\PRIVATE{\keyword{private}}
+\def\ON{\keyword{on}}
 \def\RETHROW{\keyword{rethrow}}
 \def\RETURN{\keyword{return}}
-\def\SET{\builtinId{set}}
 \def\SHOW{\keyword{show}}
-\def\SOURCE{\keyword{source}}
-\def\STATIC{\builtinId{static}}
 \def\SUPER{\keyword{super}}
 \def\SWITCH{\keyword{switch}}
 \def\SYNC{\keyword{sync}}
@@ -68,19 +63,14 @@
 \def\THROW{\keyword{throw}}
 \def\TRUE{\keyword{true}}
 \def\TRY{\keyword{try}}
-\def\TYPEDEF{\builtinId{typedef}}
-\def\THIS{\keyword{this}}
 \def\VAR{\keyword{var}}
 \def\VOID{\keyword{void}}
 \def\WHILE{\keyword{while}}
 \def\WITH{\keyword{with}}
 \def\YIELD{\keyword{yield}}
-\def\TRUE{\keyword{true}}
 
 \newenvironment{Q}[1]{{\bf #1}}
-
 \newenvironment{rationale}[1]{{\it #1}}
-
 \newenvironment{commentary}[1]{{\sf #1}}
 
 \newenvironment{dartCode}[1][!ht] {