[tex-live] bug in TeX ?

Barbara Beeton bnb at ams.org
Thu Apr 17 17:49:46 CEST 2008

i am don knuth's bug collector.
i have retrieved the files, and will send
them through the required vetting procedure.

    It looks like I have found a bug in TeX : here are the files :

    The two files gregorio-good.tex and gregorio-bad.tex differ only in one
    \showthe, and yet the result is different...

    If it is not a bug can you explain my mistake, and if it is a bug where can
    I report it ?

    At the beginning I thought it was only a bug in omega, aleph and luaTeX, so
    I reported it on luatex (http://tracker.luatex.org/view.php?id=26) with the
    help of Arthur Reutenauer, but after removing all luaTeX and omega specific
    parts, it looks like the bug is also in TeX...

    Thank you in advance,

i must inform you that the periodic update
cycle has just been completed, and the next
review isn't scheduled to take place until
2013.  this information is posted on knuth's
web site, at

i'll inform you of the results as soon as the
vetting has been completed.
								-- bb

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