Manuel Blanco <[log in to unmask]> proposes allowing spaces in LaTeX

l3keys variable names to be ignored.



I think that this is a BAD THING; Fortran did, and still does, it, but

almost all programming languages designed since Fortran disallow it,

and for good reasons.



TeX already has too many ambiguities such as:



	\foo \bar	execute \foo then execute \bar

	\foo \bar	execute \foo with \bar as its argument

	\foo \bar	assign \bar to \foo



Making spaces insignificant would add to the mess.





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