anchor.diff:  javascript,JavaScript,SpiderMonkey,JavaScript SpiderMonkey,JavaScript&nbsp;<strong>SpiderMonkey</strong>,ubiquitous web-browser embedded scripting ,6/25/2005,1,perl,
   tracemonkey,JavaScript,TraceMonkey,JavaScript TraceMonkey,JavaScript&nbsp;<strong>TraceMonkey</strong>,ubiquitous web-browser embedded scripting ,9/28/2008,1,perl,
   jsc,JavaScript,JavaScriptCore,JavaScript JavaScriptCore,JavaScript&nbsp;<strong>JavaScriptCore</strong>,WebKit-based ECMA scripting implementation,6/25/2005,0,javascript,jsc
  -regina,Rexx,Regina,Rexx Regina,Rexx <strong>Regina</strong>,historic - originally ibm - scripting,9/25/2005,0,perl,rexx
  -javaxint,Java,6 -Xint,Java 6 -Xint,Java <strong>6 -Xint</strong>,ubiquitous bytecode interpreter virtual machine,11/1/2005,0,perl,
  -javaclient,Java,6 -client,Java 6 -client,Java <strong>6 -client</strong>,ubiquitous jit client virtual machine,11/1/2005,0,java,
  +regina,Rexx,Regina,Rexx Regina,Rexx&nbsp;<strong>Regina</strong>,historic - originally ibm - scripting,9/25/2005,0,perl,rexx
  +javaxint,Java,6 -Xint,Java 6 -Xint,Java&nbsp;<strong>6 -Xint</strong>,ubiquitous bytecode interpreter virtual machine,11/1/2005,0,perl,
  +javaclient,Java,6 -client,Java 6 -client,Java&nbsp;<strong>6 -client</strong>,ubiquitous jit client virtual machine,11/1/2005,0,java,
   scala,Scala,Scala,Scala,<strong>Scala</strong>,higher-order type-safe programming for jvm,11/2/2005,0,java,scala
   io,Io,Io,Io,<strong>Io</strong>,everything is a prototype object minimalism,11/2/2005,0,perl,io
   rebol,Rebol,Rebol,Rebol,<strong>Rebol</strong>,metadata scripting for distributed computing,11/12/2005,0,perl,rebol
   swiprolog,Prolog,SWI,Prolog SWI,Prolog&nbsp;<strong>SWI</strong>,goal-oriented pattern-matching rules and facts,11/13/2005,0,perl,prolog
   vw,Smalltalk,VisualWorks,Smalltalk VisualWorks,Smalltalk&nbsp;<strong>VisualWorks</strong>,uniform reflective environment - real live objects,11/27/2005,1,java,
   vb,Basic,MonoBASIC,Basic MonoBASIC,Basic&nbsp;<strong>MonoBASIC</strong>,,12/5/2005,0,java,basic
  -parrot,Parrot,PIR,Parrot PIR,Parrot <strong>PIR</strong>,intermediate code for parrot byte code or parrot asm,12/19/2005,0,perl,
  +parrot,Parrot,PIR,Parrot PIR,Parrot&nbsp;<strong>PIR</strong>,intermediate code for parrot byte code or parrot asm,12/19/2005,0,perl,
   petitnasm,Scheme,Petit Larceny,Scheme Petit Larceny,Scheme&nbsp;<strong>Petit&nbsp;Larceny</strong>,portable research implementation,1/19/2006,0,java,
   ch,C,Ch,C Ch,C&nbsp;<strong>Ch</strong>,iso c99 interpreter,2/24/2006,0,perl,
   cint,C,CINT,C CINT,C&nbsp;<strong>CINT</strong>,seamless c c++ interpreter compiler,2/24/2006,0,perl,
   fbasic,BASIC,FreeBASIC,BASIC FreeBASIC,BASIC&nbsp;<strong>FreeBASIC</strong>,quickbasic compatible imperative programming,2/25/2006,0,gpp,
   rhino,JavaScript,Rhino,JavaScript Rhino,JavaScript&nbsp;<strong>Rhino</strong>,web-browser to jvm scripting,2/27/2005,0,javascript,
   jscript,JavaScript,JScript,JavaScript JScript,JavaScript&nbsp;<strong>JScript</strong>,web-browser to .net scripting,2/28/2005,0,perl,
  -iron,Python,IronPython,Python IronPython,Python <strong>IronPython</strong>,scripting for .net (mono is not ms .net),3/3/2006,0,python,
  -occam,Occam,KRoC,Occam KRoC,Occam <strong>KRoC</strong>,concurrent processes communicating through channels,3/5/2006,0,gpp,
  -luajit,Lua,LuaJIT,Lua LuaJIT,Lua <strong>LuaJIT</strong>,"jit compiler fully compatible with lua 5.1",3/16/2006,0,perl,
  -yarv,Ruby,1.9,Ruby 1.9,Ruby <strong>1.9</strong>,the new Ruby,3/22/2006,0,ruby,
  +iron,Python,IronPython,Python IronPython,Python&nbsp;<strong>IronPython</strong>,scripting for .net (mono is not ms .net),3/3/2006,0,python,
  +occam,Occam,KRoC,Occam KRoC,Occam&nbsp;<strong>KRoC</strong>,concurrent processes communicating through channels,3/5/2006,0,gpp,
  +luajit,Lua,LuaJIT,Lua LuaJIT,Lua&nbsp;<strong>LuaJIT</strong>,"jit compiler fully compatible with lua 5.1",3/16/2006,0,perl,
  +yarv,Ruby,1.9,Ruby 1.9,Ruby&nbsp;<strong>1.9</strong>,the new Ruby,3/22/2006,0,ruby,
   neko,Neko,Neko,Neko,<strong>Neko</strong>,intermediate language and virtual machine,9/29/2006,0,perl,
   bigforth,Forth,bigForth,Forth bigForth,Forth&nbsp;<strong>bigForth</strong>,extensible postfix stack programming,9/29/2006,0,perl,
   gambit,Scheme,Gambit,Scheme Gambit,Scheme&nbsp;<strong>Gambit</strong>,"",11/10/2006,0,java,
   squeak,Smalltalk,Squeak,Smalltalk Squeak,Smalltalk&nbsp;<strong>Squeak</strong>,uniform reflective environment - real live objects,11/22/2006,0,vw,
   stx,Smalltalk,ST/X STC,Smalltalk ST/X STC,Smalltalk&nbsp;<strong>ST/X STC</strong>,native object files and (possibly shared) libraries,6/5/2007,0,vw,
  -jruby,Ruby,JRuby,Ruby JRuby,Ruby <strong>JRuby</strong>,everything is an object scripting for jvm,6/4/2007,0,ruby,
  +jruby,Ruby,JRuby,Ruby JRuby,Ruby&nbsp;<strong>JRuby</strong>,everything is an object scripting for jvm,6/4/2007,0,ruby,
   cal,CAL,CAL,CAL,<strong>CAL</strong>,lazy functional programming for jvm,6/19/2007,0,java,cal
   lisaac,Lisaac,Lisaac,Lisaac,<strong>Lisaac</strong>,everything is a prototype object plus design by contract,1/24/2008,0,gpp,lisaac
   yap,Prolog,YAP,Prolog YAP,Prolog&nbsp;<strong>YAP</strong>,goal-oriented pattern-matching rules and facts,3/28/2008,0,perl,
  
positive.code: ciao,Prolog,Ciao,Prolog Ciao,Prolog&nbsp;<strong>Ciao</strong>,constraint-enhanced Prolog platform,9/30/2004,0,java,
  python,Python,Python,Python,<strong>Python</strong>,"uncluttered imperative programming plus objects",9/30/2004,1,perl,python
  psyco,Python,Psyco,Python Psyco,Python&nbsp;<strong>Psyco</strong>,representation-based just-in-time specialization,9/30/2004,0,python,
  python3,Python 3,Python 3,Python 3,<strong>Python 3</strong>,the new Python,12/22/2008,0,python,
  ruby,Ruby,Ruby,Ruby,<strong>Ruby</strong>,programmer fun - everything is an object scripting,9/30/2004,1,perl,ruby
  slang,S-Lang,S-Lang,S-Lang,<strong>S-Lang</strong>,embeddable extension language,9/30/2004,0,perl,
  popsml,SML,PSML,SML PSML,SML&nbsp;<strong>PSML</strong>,sml hosted in poplog,9/30/2004,0,gpp,
  
negative.code: hugs,Haskell,HUGS,Haskell HUGS,Haskell&nbsp;<strong>HUGS</strong>,university-favored haskell interpreter,9/30/2004,0,perl,
  icon,Icon,Icon,Icon,<strong>Icon</strong>,high-level string processing,9/30/2004,0,perl,
  gcj,Java,GNU gcj,Java GNU gcj,Java&nbsp;<strong>GNU gcj</strong>,optimizing ahead-of-time compiler,9/30/2004,0,java,
  java,Java,6 -server,Java 6 -server,Java&nbsp;<strong>6 -server</strong>,ubiquitous jit server virtual machine,9/30/2004,1,gpp,java
  javaxx,Java,6 -Xms64m,Java 6 -Xms64m,Java&nbsp;<strong>6 -Xms64m</strong>,initial java server heap size 64m,6/9/2007,0,java,
  java14,Java,1.4 -server,Java 1.4 -server,Java&nbsp;<strong>1.4 -server</strong>,ubiquitous jit server virtual machine,9/30/2004,0,java,
  sablevm,Java,SableVM,Java SableVM,Java&nbsp;<strong>SableVM</strong>,"clean-room standards-compliant jvm and libraries",9/30/2004,0,java,
  gij,Java,GNU gij,Java GNU gij,Java&nbsp;<strong>GNU gij</strong>,GNU interpreted Java,9/30/2004,0,java,
  kaffe,Java,Kaffe,Java Kaffe,Java&nbsp;<strong>Kaffe</strong>,clean room jvm and libraries,9/30/2004,0,java,
  