The first sentence reads "A /reentrant/ program is one which does not
alter in the course of execution; in other words, it consists entirely
of /pure/ (read-only) code. "
Some points which confuse me:
1. "alters" what? The object is not mentioned. Did you mean that it
does not alter non-loc
In 3.4.6 Actions the format of a name, as in RULE[name}, not mentioned
nor is the scope of the name, nor any constraint. For purposes of this
discussion we define EBNF tag as the RULE name. Am I correct in assuming
that:
1. A EBNF tag is composed of alphabetic, numeric characters and a dash
