ebnf-iso-normalize-p is a variable defined in `ebnf2ps.el'.
Its value is

Non-nil means normalize ISO EBNF syntax names.

Normalize a name means that several contiguous spaces inside name become a
single space, so "A B C" is normalized to "A B C".

It's only used when `ebnf-syntax' is `iso-ebnf'.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 20 of Emacs.