Merge branch 'nightlark-preprocessor-docs'

* nightlark-preprocessor-docs:
  Correct preprocessor docs
  Preprocessor definitions doc update
  Remove BUILDING_NOTE_EXTENSION from docs
  Add missing preprocessor defines to the docs list

Author: wsfulton

Doc/Manual/Preprocessor.html

@@ -110,11 +110,13 @@ <H2><a name="Preprocessor_condition_compilation">11.3 Conditional Compilation</a
                                 such as 0x010311 (corresponding to SWIG-1.3.11).
 
 SWIGCSHARP                      Defined when using C#
+SWIGD                           Defined when using D
+SWIGGO                          Defined when using Go
 SWIGGUILE                       Defined when using Guile
 SWIGJAVA                        Defined when using Java
 SWIGJAVASCRIPT                  Defined when using Javascript
-SWIG_JAVASCRIPT_JSC             Defined when using Javascript for JavascriptCore
-SWIG_JAVASCRIPT_V8              Defined when using Javascript for v8 or node.js 
+SWIG_JAVASCRIPT_JSC             Defined when using Javascript with -jsc
+SWIG_JAVASCRIPT_V8              Defined when using Javascript with -v8 or -node
 SWIGLUA                         Defined when using Lua
 SWIGMZSCHEME                    Defined when using Mzscheme
 SWIGOCAML                       Defined when using OCaml
@@ -143,12 +145,24 @@ <H2><a name="Preprocessor_condition_compilation">11.3 Conditional Compilation</a
 </pre>
 </div>
 
+<p>
+The following are language specific symbols that might be defined:
+</p>
+
+<div class="code"><pre>
+SWIG_D_VERSION                  Unsigned integer target version when using D
+SWIGGO_CGO                      Defined when using Go for cgo
+SWIGGO_GCCGO                    Defined when using Go for gccgo
+SWIGGO_INTGO_SIZE               Size of the Go type int when using Go (32 or 64)
+SWIGPYTHON_PY3                  Defined when using Python with -py3
+SWIGPYTHON_BUILTIN              Defined when using Python with -builtin
+SWIG_RUBY_AUTORENAME            Defined when using Ruby with -autorename
+</pre></div>
+
 <p>
 Interface files can look at these symbols as necessary to change the
 way in which an interface is generated or to mix SWIG directives with
-C code. These symbols are also defined within the C code generated by
-SWIG (except for the symbol `<tt>SWIG</tt>' which is only defined
-within the SWIG compiler).
+C code.
 </p>
 
 <H2><a name="Preprocessor_nn5">11.4 Macro Expansion</a></H2>