Remove mentions of 'psyco' from docs and examples

The psyco package has been declared umaintained and dead. It is no
longer receiving bug fixes including for security issues. From
http://psyco.sourceforge.net/

> 12 March 2012
>
> Psyco is unmaintained and dead. Please look at PyPy for the
> state-of-the-art in JIT compilers for Python.

Avoid recommending the use of an unmaintained package (since 2012).
Users can continue to use PyPy for the latest and greatest in Python
JIT.

1 files changed, 2 insertions, 12 deletions

diff --git a/docs/HowToUsePyparsing.rst b/docs/HowToUsePyparsing.rst
index 7d39e30..62dc677 100644
--- a/docs/HowToUsePyparsing.rst
+++ b/docs/HowToUsePyparsing.rst
@@ -226,13 +226,6 @@ Usage notes
   or expressions that may occur within an ``And`` expression; an early element

   of an ``And`` may match, but the overall expression may fail.

 

-- Performance of pyparsing may be slow for complex grammars and/or large

-  input strings.  The psyco_ package can be used to improve the speed of the

-  pyparsing module with no changes to grammar or program logic - observed

-  improvments have been in the 20-50% range.

-

-.. _psyco: http://psyco.sourceforge.net/

-

 

 Classes

 =======

@@ -363,11 +356,8 @@ methods for code to use are:
   performance enhancement, known as "packrat parsing".  packrat parsing is

   disabled by default, since it may conflict with some user programs that use

   parse actions.  To activate the packrat feature, your

-  program must call the class method ParserElement.enablePackrat().  If

-  your program uses psyco to "compile as you go", you must call

-  enablePackrat before calling psyco.full().  If you do not do this,

-  Python will crash.  For best results, call enablePackrat() immediately

-  after importing pyparsing.

+  program must call the class method ParserElement.enablePackrat(). For best

+  results, call enablePackrat() immediately after importing pyparsing.

 

 

 Basic ParserElement subclasses