Can your PL/I grammar support no reserved words?

[The-Futurist]

Can the Antlr PL/I grammar parse an assignment to a variable that has same spelling as a keyword? e.g

call = 100;

declare = 100;

goto = if;

/* and */

if if = else then
    else = then;
else
    then = if;

etc.

Also see this: antlr/antlr4#4018