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From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Newsgroups: comp.lang.python
Subject: Re: Assignment Versus Equality
Date: Mon, 27 Jun 2016 07:30:01 -0400
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On Sun, 26 Jun 2016 16:56:18 +0100, BartC <bc@freeuk.com> declaimed the
following:

>
>(Note, for those who don't know (old) Fortran, that spaces and tabs are 
>not significant. So those dots are needed, otherwise "a eq b" would be 
>parsed as "aeqb".)

	Or my favorite example of a parser headache: which is the loop
instruction and which is the assignment

	DO10I=3,14
	DO 10 I = 3.14

	Until the parser reaches the , or . it could be going down the wrong
branch and have to backtrack to the beginning of the statement to recover.
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/