Description of problem:
Depending on the value of the TERM environment variable perldoc sometimes warns about binary content.
Version-Release number of selected component (if applicable):
Perldoc v3.28, under perl v5.026002 for linux
Steps to Reproduce:
1. TERM=xterm perldoc Time::HiRes
2. TERM=linux perldoc Time::HiRes
1. Everything fine
2. "/tmp/6UsPxoKooT" may be a binary file. See it anyway?
The warning doesn't come up if I use "man" instead of "perldoc".
This looks like an issue in Pod::Perldoc::ToTerm that adds ANSI sequences into the formatted output according to a current terminal:
E.g. the NAME section title changes:
This is saved into a file and a pager, "/usr/bin/less -isr" probably, is called on that file. In the TERM=linux case /usr/bin/less comes to a conclusion that the file is a binary garbage and asks for permission to spoil a terminal.
And indeed the TERM=linux output is not propebly displayed on Linux virtual terminal, an `O' letter hangs after the title. Whether it's a Pod::Perldoc::ToTerm or a terminal database bug I don't know.
There were numerous bug reports to Pod-Perldoc CPAN distribution, e.g.:
and that lead to Perl bug:
that was resolved by patching Pod::Perldoc to use plain text output without ANSI formatting (i.e. Pod::Perldoc::ToText instead of Pod::Perldoc::ToTerm).
I'm keen to apply the Perl patch to Fedora <= 28. It will disappear the bold highlighting but it makes the text legible on all terminals.
perl-Pod-Perldoc-3.28.01-1.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-9d12bea0f8
perl-Pod-Perldoc-3.28.01-1.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-9d12bea0f8
perl-Pod-Perldoc-3.28.01-1.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.
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