URL: <https://savannah.gnu.org/bugs/?68435>
Summary: Using eqn in a tbl - confusing warnings
Group: GNU roff
Submitter: deri
Submitted: Mon 08 Jun 2026 09:15:24 PM UTC
Category: Preprocessor - others/general
Severity: 2 - Minor
Item Group: Warning/Suspicious behaviour
Status: Need Info
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 08 Jun 2026 09:15:24 PM UTC By: Deri James <deri>
While checking current groff against the utp_book, a table in ch09.t throws up
warnings which I don't uderstand. Attached is a minimal reproducer.
[derij@pip build (master)]$ test-groff -Tpdf -et ch09.trf |okular -
eqn:"ch09.trf:16: error: unquoted escape
eqn:"ch09.trf:18: error: unquoted escape
troff:ch09.trf:43: error: ignoring invalid numeric expression containing a
left italic-corrected node token
troff:ch09.trf:44: warning: missing closing delimiter in width computation
escape sequence; expected nonexistent special character or class 'EQ', got a
newline [-w delim]
troff:ch09.trf:45: error: ignoring invalid numeric expression containing a
left italic-corrected node token
troff:ch09.trf:46: warning: missing closing delimiter in width computation
escape sequence; expected nonexistent special character or class 'EQ', got a
newline [-w delim]
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File Attachments:
Name: ch09.trf Size: 147B
<https://file.savannah.gnu.org/file/ch09.trf?file_id=58694>
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