URL:
<https://savannah.gnu.org/bugs/?61408>
Summary: [man] Warning about an empty \*[an-extra1]
Project: GNU troff
Submitted by: bjarniig
Submitted on: Mon 01 Nov 2021 01:49:42 AM UTC
Category: Macro - man
Severity: 3 - Normal
Item Group: Warning/Suspicious behaviour
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Details:
[man] Warning about an empty \*[an-extra1]
"man patch" causes warnings:
troff: backtrace: '/home/bg/git/groff/build/s-tmac/an.tmac':273: macro
'an-prepare-inner-footer'
troff: backtrace: '/home/bg/git/groff/build/s-tmac/an.tmac':350: macro
'an-footer'
troff: backtrace: '/home/bg/git/groff/build/s-tmac/an.tmac':61: trap-called
macro 'an-end'
troff: warning: start (0) and end (0) index of substring out of range
This is caused by the line
.TH PATCH 1 "" GNU
line 61 corresponds to line an-footer
line 273 -"- substring an-half-cfoot 0
\\n[an-half-cfoot-length]
line 350 -"- an-prepare-inner-footer
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