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From: Robin Becker <robin@reportlab.com>
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Subject: Re: Want to play with or learn a parser system including a grammar for Python? See spark_parser on pypy
Date: Wed, 8 Jun 2016 17:50:41 +0100
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On 08/06/2016 11:38, rocky wrote:
...........
> [1] https://pypi.python.org/pypi/spark_parser/1.3.0
.......
the page above shows one can implement a time travel machine as it boldly states

"The original version of this was written by John Aycock and was described in 
his 1988 paper: “Compiling Little Languages in Python” at the 7th International 
Python Conference."

I suppose those early primitive pythons had some issue with integers as 
wackypedia states that

"Python was conceived in the late 1980s[1] and its implementation was started in 
December 1989[2] by Guido van Rossum at CWI in the Netherlands"

so that Aycocks's paper must have been at the -1st Python Conference
-parallely yrs-
Robin Becker