andys@ulysses.att.com (05/17/89)
When incoming mail has a time zone of the form +nnnn, rmail goes into
an infinite loop, creating empty preambles in the RMAIL file. The symptom
seen by the user is nothing happening, with an occasional flash of activity
from garbage collector on the bottom line.
Such time zone specifications are legal rfc822 specifications, as evidenced
by the following paragraph from rfc822
Time zone may be indicated in several ways. "UT" is Univer-
sal Time (formerly called "Greenwich Mean Time"); "GMT" is per-
mitted as a reference to Universal Time. The military standard
uses a single character for each zone. "Z" is Universal Time.
"A" indicates one hour earlier, and "M" indicates 12 hours ear-
lier; "N" is one hour later, and "Y" is 12 hours later. The
letter "J" is not used. The other remaining two forms are taken
from ANSI standard X3.51-1975. One allows explicit indication of
the amount of offset from UT; the other uses common 3-character
strings for indicating time zones in North America.
This bug was tickled by a lot of foreign mail from a mailing list that I
just subscribed to.
Andy Sherman
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