Update of bug #64105 (group groff):
Summary: [eqn] off-by-one error in line numbering => [eqn]
off-by-one error in line numbering since groff 1.23.0
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Follow-up Comment #8:
Reduced reproducer:
$ nl ATTIC/eqn-misnumbered-lines.roff
1 .EQ
2 1
3 2
4 .EN
5 .pi
$ groff -ez -ww ATTIC/eqn-misnumbered-lines.roff
troff:ATTIC/eqn-misnumbered-lines.roff:4: warning: output piping request
expects a system command as argument [-w missing]
Doug's right that this was a regression:
$ for ver in HEAD 1.24.2 1.24.1 1.24.0 1.23.0 1.22.4 1.22.3; do echo -----
groff $ver; ~/groff-$ver/bin/groff -ez -ww ATTIC/eqn-misnumbered-lines.roff;
done
----- groff HEAD
troff:ATTIC/eqn-misnumbered-lines.roff:4: warning: output piping request
expects a system command as argument [-w missing]
----- groff 1.24.2
troff:ATTIC/eqn-misnumbered-lines.roff:4: warning: output piping request
expects a system command as argument
----- groff 1.24.1
troff:ATTIC/eqn-misnumbered-lines.roff:4: warning: output piping request
expects a system command as argument
----- groff 1.24.0
troff:ATTIC/eqn-misnumbered-lines.roff:4: warning: output piping request
expects a system command as argument
----- groff 1.23.0
troff:ATTIC/eqn-misnumbered-lines.roff:4: error: 'pi' request is not allowed
in safer mode
----- groff 1.22.4
troff: ATTIC/eqn-misnumbered-lines.roff:5: .pi request not allowed in safer
mode
----- groff 1.22.3
ATTIC/eqn-misnumbered-lines.roff:5: .pi request not allowed in safer mode
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