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REPLY(-4.00)[]; ASN(0.00)[asn:8075, ipnet:2a01:111:f000::/36, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N Hello. Gleb Popov wrote on 2022/11/29 15:47: > On Tue, Nov 29, 2022 at 12:14 AM Matthias Fechner wrote: >> But what does the last `:` at the end of this string? > > This one is a correct interpretation. > > As for the first one, I'm also unsure about the last ":" Maybe it is a > part of the :N argument? > I found something about this in function ApplyModifiers in /usr/src/contrib/bmake/var.c. I can't explain it well, but it seems to me that : is treated merely as a delimiter. It does not give an error for the last character being : . If there is a specification that the last character should not be a : , then this is a bug :) I am not sure about that :) Regards.