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Old 16th April 2017, 01:23 AM
Doug G Offline
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mc upgrade broke line drawing via putty

I use mc a lot, often via putty from windows. The upgrade last week to 4.8.19-1 seems to have broken line drawing in putty terminals. I can fix lines by re-configuring putty from UTF8 to Latin1.

I used dnf to downgrade mc back to 4.8.17-2, and with this version, putty set to UTF8, line drawing in the panels is working properly. This tells me something was changed in mc in the last update.

Any ideas where to look for the cause? localectl shows the Fedora 25 shell is using UTF8.
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Old 19th April 2017, 12:16 AM
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Re: mc upgrade broke line drawing via putty

RPM packages usually have a change log with a summary of the changes for each release, which is one place to start looking. For installed packages, you can access the log as follows
Code:
$ rpm -q --changelog <package name> | less
As you have downgraded to a working version, here are the log entries up to the current version - lots of changes went into version 4.8.19-1.fc25!
Code:
* Mon Mar 27 2017 Tomasz Kłoczko <kloczek@fedoraproject.org> - 1:4.8.19-1
- updated to 4.8.19
- drop use slang and use ncurses. There are only few packages which are using
  slang. As ncurses support is fully working now it makes more sense to
  use it instead slang (Solaris 11.3 mc uses now ncurses)
- instead passing -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE to CFLAGS use
  --enable-largefile autoconf param
- removed Group, BuildRoot and %clear (new packaging policy)
- added pkgconfig to BuildRequires
- replaced groff by groff-base in BuildRequires (only nfroff is used)
- use %autosetup in %prep
- added using %{make_build} and %{make_build} macros
- "rm -rf $RPM_BUILD_ROOT" on beginning %install is no longer needed
- mcfs is no longer supported (removed --enable-vfs-mcfs autoconf option)
- added explicit enabled other VFSesess to force necessary checks

* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1:4.8.18-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild

* Fri Dec 09 2016 Richard W.M. Jones <rjones@redhat.com> - 1:4.8.18-3
- Downstream-only patch to make mc use /var/tmp for large temporary files
  (RHBZ#895444).

* Wed Nov 09 2016 Jon Ciesla <limburgher@gmail.com> - 1:4.8.18-1
- 4.8.18

* Wed Sep 21 2016 Jon Ciesla <limburgher@gmail.com> - 1:4.8.17-1
- 4.8.17
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  #3  
Old 19th April 2017, 03:29 AM
Doug G Offline
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windows_98_nt_2000firefox
Re: mc upgrade broke line drawing via putty

Thank you SteveGYBE.

If I were to guess I suspect something related to this change is the likely culprit.
Quote:
- drop use slang and use ncurses. There are only few packages which are using
slang. As ncurses support is fully working now it makes more sense to
use it instead slang (Solaris 11.3 mc uses now ncurses)
But I get lost with how character encoding flows from the program through ssh to putty to windows

At least this problem (to me) is only an annoyance, since I can either downgrade or change putty settings.
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