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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