[Bug 1785475] Re: Scrolling in files gives display isues

[Benno Schulenberg]

Thanks for the files you sent via private email.  However, I am unable
to reproduce the effect that you see.

Also, this report has *not* been confirmed.  You are the only person who
is seeing this effect -- or have only one machine that displays this
behavior.  I am suspecting an anomaly in your setup, which (when you
move to another page) makes ncurses think that there are already spaces
on the rows that it should draw and therefore does not bother to draw
them.

What is the output of 'stty size'?  Do you use 'stty' to change the
number of columns or rows from what they actually are?

Further, do you see the effect also when you use 'nano --ignore' instead
of plain 'nano'?  And what when you run 'LANGUAGE=en nano --ignore'?

The machine that you see the effect on, is it a server?  Did you see
this effect since 18.04 was installed, or did it develop later?  How
come that the locale of that machine is set to all "C"?  Because as far
as I know, most distros default to a Unicode locale nowadays.

** Changed in: nano (Ubuntu)
       Status: Confirmed => New

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https://bugs.launchpad.net/bugs/1785475

Title:
  Scrolling in files gives display isues

Status in nano package in Ubuntu:
  New

Bug description:
  By scrolling down a file the layout is screwd up.

  example i scrole in zone file of dns server i get this :

  dhcp                            IN      NS              ns1
  dhcp                            IN      NS              ns2
  dhcp                     IN      NS              every cns3
  dhcp                     IN      NSfresh (        ns4urs)

  vpn                      IN      NSxpire                ns1
  vpn                      IN      NSnimum (        ns2urs)
  vpn                             IN      NS              ns3
  vpn me servers                  IN      NS              ns4

  
  But i realy looks like this :

  dhcp                            IN      NS              ns1
  dhcp                            IN      NS              ns2
  dhcp                            IN      NS              ns3
  dhcp                            IN      NS              ns4

  vpn                             IN      NS              ns1
  vpn                             IN      NS              ns2
  vpn                             IN      NS              ns3
  vpn                             IN      NS              ns4

  
  When i edit and save everyting is stored correctly but on display it's wrong.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: nano 2.9.3-2
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Sun Aug  5 15:54:27 2018
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=C
   SHELL=/bin/bash
  SourcePackage: nano
  UpgradeStatus: No upgrade log present (probably fresh install)

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