[NTG-pdftex] segfault with \pdfadjustinterwordglue

Karl Berry karl at freefriends.org
Thu May 28 00:58:07 CEST 2020

    Thanks.  I think the additions of (r<>null) are no-op
    thus can be removed.  (It does no harm, though.)

    I wonder if there is still some possibility of uninitialized
    save_tail (which is 0, not null).

Thanh also committed some tests in <pdftex>/tests/14-*. Maybe you could
add or change the tests to exhibit the uninitialized save_tail problem?

I defer on any changes to you and Thanh ... --thanks much, karl.

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