[notes]
for https://github.com/antlr/antlr4/issues/1398.
Seeing through a large expression takes 5 _minutes_ on
my fast box to complete.  After fix, it's instantaneous.

[type]
Parser

[grammar]
grammar Expr;

stat : expr ';'
     | expr '.'
     ;

expr
   : ID
   | 'not' expr
   | expr 'and' expr
   | expr 'or' expr
   | '(' ID ')' expr
   | expr '?' expr ':' expr
   | 'between' expr 'and' expr
   ;

ID: [a-zA-Z_][a-zA-Z_0-9]*;
WS: [ \t\n\r\f]+ -> skip;

[start]
stat

[input]
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4 and
between X1 and X2 or between X3 and X4
;

[skip]
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