URL:
<https://savannah.gnu.org/bugs/?65227>
Summary: [grog] mishandles options containing 'C'
Group: GNU roff
Submitter: gbranden
Submitted: Tue 30 Jan 2024 03:05:02 AM UTC
Category: Utilities
Severity: 3 - Normal
Item Group: Incorrect behaviour
Status: In Progress
Privacy: Public
Assigned to: gbranden
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Follow-up Comments:
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Date: Tue 30 Jan 2024 03:05:02 AM UTC By: G. Branden Robinson <gbranden>
Using _grog_ to view the _groff_mom_(7) page on my system produced a nasty
surprise of an ill-formatted documented.
Investigation revealed that that _grog_ inferred use of the _me_(7) macro
package for this _man_(7) document.
Further investigation revealed that my passage of the `-rCHECKSTYLE=4`
argument was causing the problem.
_grog_ thought it was supposed to be interpreting the document in
compatibility mode, which was incorrect.
The problem is a too-loose regex.
# Our do_line() needs to know if it should do compatibility parsing.
$use_compatibility_mode = 1 if ($arg =~ /C/);
This of course matches a "C" anywhere in $arg; Perl doesn't know that it's
looking at an option cluster.
I'm not marking this as a regression from 1.22.4 because that version's _grog_
didn't perform well with my (script-constructed) command line either.
$ /usr/bin/grog -Tutf8 -b -ww -P-i -rU1 -rCHECKSTYLE=4 -rPO=19n -rLL=80n
/home/branden/groff-HEAD/share/man/man7/groff_mom.7
groff -b -w -w -r -U1 -T utf8 -man
/home/branden/groff-HEAD/share/man/man7/groff_mom.7
Turning on unsafe mode isn't actually a brilliant move there.
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