URL: <https://savannah.gnu.org/bugs/?67746>
Summary: [troff] misleading diagnostic when delimited form of
`\s` escape sequence given invalid argument
Group: GNU roff
Submitter: gbranden
Submitted: Sun 30 Nov 2025 09:05:10 AM UTC
Category: Core
Severity: 3 - Normal
Item Group: Warning/Suspicious behaviour
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Unlocked
Planned Release: None
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Follow-up Comments:
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Date: Sun 30 Nov 2025 09:05:10 AM UTC By: G. Branden Robinson <gbranden>
This is an old one.
$ printf '\\s"1a"\n' | ~/groff-1.22.3/bin/groff -a
<standard input>:1: missing closing delimiter
<beginning of page>
"
$ printf '\\s"1a"\n' | ~/groff-1.22.4/bin/groff -a
troff: <standard input>:1: missing closing delimiter
<beginning of page>
"
$ printf '\\s"1a"\n' | ~/groff-1.23.0/bin/groff -a
troff:<standard input>:1: error: missing closing delimiter in type size escape
sequence
<beginning of page>
"
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