Guido van Rossum 1c917072ca Very subtle syntax change: in a list comprehension, the testlist in ... "for <var> in <testlist> may no longer be a single test followed by a comma. This solves SF bug #431886. Note that if the testlist contains more than one test, a trailing comma is still allowed, for maximum backward compatibility; but this example is not: [(x, y) for x in range(10), for y in range(10)] ^ The fix involved creating a new nonterminal 'testlist_safe' whose definition doesn't allow the trailing comma if there's only one test: testlist_safe: test [(',' test)+ [',']]		2001-10-15 15:44:05 +00:00
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.cvsignore	Ignore Grammar/Makefile now that it's a made Makefile.	2000-08-21 12:25:17 +00:00
Grammar	Very subtle syntax change: in a list comprehension, the testlist in	2001-10-15 15:44:05 +00:00