Package: groff-base Version: 1.22.4-8 Severity: normal Dear Maintainer,
Consider the following manual:
-- >8 --
'\" e
.\" SPDX-License-Identifier: 0BSD
.\"
.Dd
.Dt CKSUM 1
.Os
.
.Sh NAME
.Nm cksum
.Nd compute Ethernet checksum
.
.EQ
delim %%
.EN
.
.Sh STANDARDS
Conforms to
.St -p1003.1-2008 .
The CRC polynomial is
% x sup 32 + x sup 26 + x sup 23 + x sup 22 + x sup 16 + x sup 12 + x sup 11 +
x sup 10 + x sup 8 + x sup 7 + x sup 5 + x sup 4 + x sup 2 + x + 1 %,
the same one used by
.St -iso8802-3 Pq Ethernet .
-- >8 --
mandoc trunk renders it as
-- >8 --
CKSUM(1) General Commands Manual CKSUM(1)
NAME
cksum – compute Ethernet checksum
STANDARDS
Conforms to IEEE Std 1003.1-2008 (“POSIX.1”). The CRC polynomial is x^32
+ x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4
+ x^2 + x + 1, the same one used by ISO 8802-3: 1989 (Ethernet).
Linux 5.10.0-14-amd64 Linux 5.10.0-14-amd64
-- >8 --
with all `x`es being fI (as expected for a variable).
Compare it to groff 1.22.4-8:
-- >8 --
CKSUM(1) BSD General Commands Manual
CKSUM(1)
NAME
cksum — compute Ethernet checksum
STANDARDS
Conforms to IEEE Std 1003.1-2008 (“POSIX.1”). The CRC polynomial is
x32+x26+x23+x22+x16+x12+x11+x10+x8+x7+x5+x4+x2+x+1, the same one used by
ISO/IEC 8802-3:1989 (Ethernet).
BSD Epoch
BSD
-- >8 --
`x`es are also fI, but the rest is a mess. What's more important is the
`sup`s were lost entirely! It's just a soup of text (in this case it's
obvious from context what that means, but that doesn't always hold,
obviously).
Best,
наб
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