moved the (updated) contents of this file to the manual

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16815 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/symbols.txt

@@ -1,64 +0,0 @@
-This is a list of preprocessor symbols used in the wxWindows source.
-
-GUIs:
------
-
-__X__           any X, but not GTK
-__WXMOTIF__     Motif
-__WXXT__        Xt; mutually exclusive with WX_MOTIF (?)
-__WXGTK__       GTK
-__WXGTK12__     GTK 1.2 or higher
-__WXMSW__       Any Windows
-__WXWINE__      WINE (i.e. Win32 on Unix)
-__WXMAC__       MacOS
-__WXPM__        OS/2 native Presentation Manager
-__UNIX__        any Unix
-__WINDOWS__     any Windows
-__WIN95__       GUI for Windows 95 and above; NT 4.0 and above.
-__WIN32__       WIN32 API
-__NT__          Windows NT
-__WXCURSES__    CURSES
-__WXSTUBS__     Stubbed version ('template' wxWin implementation)
-
-In fact, they should better all start with __WX instead of __ only.
-The only GUIs implemented for 2.0 are __WXGTK__, __WXMSW__ and __WXMOTIF__
-yet. Any new ones, please start the define with __WX.
-
-OSes/machines:
-
-__HPUX__
-__SVR4__
-__SYSV__
-__LINUX__
-__SGI__
-__ULTRIX__
-__BSD__
-__VMS__
-__SUN__         Any Sun
-__SUNOS__
-__SOLARIS__
-__ALPHA__
-__AIX__
-__DATA_GENERAL__
-__OSF__
-__FREEBSD__
-
-Compilers:
-----------
-
-__GNUWIN32__    Gnu-Win32 compiler
-__DJGPP__       DJGPP
-__GNUG__        Gnu C++ on any platform
-__BORLANDC__    Borland C++
-__WATCOMC__     Watcom C++
-__SYMANTECC__   Symantec C++
-__VISUALC__     VC++
-__SUNCC__       Sun CC
-__XLC__         ?? compiler
-
-wxWindows modes:
-----------------
-
-__WXDEBUG__     usage: #ifdef __WXDEBUG__ (=> debug mode, else => release)
-WXDEBUG         usage: #if DEBUG (0: release, 1: minimal debug code, ...)
-