ebnf-iso-alternative-p

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

nil

Documentation:
Non-nil means use alternative ISO EBNF.

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

This variable affects the following symbol set:

STANDARD ALTERNATIVE
| ==> / or !
[ ==> (/
] ==> /)
{ ==> (:
} ==> :)
; ==> .

You can customize this variable.

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