URL:
<https://savannah.gnu.org/bugs/?63985>
Summary: [troff] diagnose when attempting to remove an
ordinary character
Group: GNU roff
Submitter: gbranden
Submitted: Fri 31 Mar 2023 04:43:10 PM UTC
Category: Core
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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Follow-up Comments:
-------------------------------------------------------
Date: Fri 31 Mar 2023 04:43:10 PM UTC By: G. Branden Robinson <gbranden>
Attempts to undefine ordinary characters (U+0021..U+007E) silently fail.
$ nroff
.nf
abc
.rchar a
abc
.pl \n(nlu
abc
abc
They should gripe at the user instead. This would also help users who might
assume that they only need to specify a special character _identifier_ as an
argument to `rchar` or `rfschar`. Instead you need the full special character
escape sequence syntax.
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