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| From: | G. Branden Robinson |
| Subject: | [bug #61173] [libgroff] off by one error in line numbers reported by device/font file diagnostics |
| Date: | Thu, 16 Sep 2021 18:52:02 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 |
URL:
<https://savannah.gnu.org/bugs/?61173>
Summary: [libgroff] off by one error in line numbers reported
by device/font file diagnostics
Project: GNU troff
Submitted by: gbranden
Submitted on: Thu 16 Sep 2021 10:52:00 PM UTC
Category: Core
Severity: 3 - Normal
Item Group: Warning/Suspicious behaviour
Status: In Progress
Privacy: Public
Assigned to: gbranden
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Details:
I took the devut8 DESC and R files and damaged them by inserting some
characters with the eighth bit set.
$ groff -T utf8 -F ./build/font
groff:./build/font/devutf8/DESC:6: invalid input character code '129'
./build/font/devutf8/DESC:6: error: invalid input character code '129'
./build/font/devutf8/R:0: error: invalid input character code '130'
$ sed -n '6,7p' ./build/font/devutf8/DESC | xxd
00000000: 666f 6e74 7320 3420 5220 4920 4220 4249 fonts 4 R I B BI
00000010: 0ac2 8174 636f 6d6d 616e 640a ...tcommand.
$ sed -n '1p' ./build/font/devutf8/R | xxd
00000000: c282 6e61 6d65 2052 0a ..name R.
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