it's true. There is bug. I'll send actualised version tomorrow.


I haven't read the rest of the thread yet, but is this hunk not buggy?
yylex() is side-effecting, so the two calls to yylex() do not do what
the comment suggests.

> !     /* check FROM or IN keyword after direction's specification */
> !     if (check_FROM && (yylex() != K_FROM && yylex() != K_IN))
> !             yyerror("expected \"FROM/IN\"");
>       return fetch;


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