[Python-ideas] Extending expressions using ellipsis

[Greg Ewing]

Guido van Rossum wrote:
> Would this be enforced in the grammar or by the lexer? Since you say
> you expect the indentation to be enforced, that suggests it would be
> done by the grammar,

I think it could be done by having the lexer enter a mode
where it swallows a newline that is followed by an indentation
to a level greater than the starting level of the construct.
Then no change would be needed to the grammar.

-- 
Greg