URL: <https://savannah.gnu.org/bugs/?67817>
Summary: restore defined-character detail to approximate (-a)
output
Group: GNU roff
Submitter: barx
Submitted: Mon 15 Dec 2025 02:04:30 AM CST
Category: Core
Severity: 3 - Normal
Item Group: Rendering/Cosmetics
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: Mon 15 Dec 2025 02:04:30 AM CST By: Dave <barx>
Sometime since groff 1.23, approximate (-a) output has become less forthcoming
about document-defined characters. Below, "groff" is groff 1.23 (groff 1.22.4
also produces the same output) and "groff-latest" is git HEAD.
$ cat approximate.roff
.fschar S \[trademarksans] \N'228'
Enjoy a glass of Fluerma\fS\[trademarksans]\fP tonight.
$ groff -a approximate.roff
<beginning of page>
Enjoy a glass of Fluerma<S trademarksans> tonight.
$ groff-latest -a approximate.roff
<beginning of page>
Enjoy a glass of Fluerma<---> tonight.
In particular, when there are multiple .char-defined characters, the old -a
output distinguished them, while the new output collapses them all into the
same fairly meaningless string.
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