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

[Benno Schulenberg]

Hmmm...  When the line containing "Minimum" and the second "vpn" line
should 'overlap' when doing a single PageDown, then your terminal must
have 61 rows (when using --ignorercfiles).  But... when I alternately do
a PageDown and a PageUp, and look how exactly those two lines would
interweave, then I can never see "vpn IN NSnimum ( ns2urs)", as you have
posted, no matter what tabsize I use.  With --tabsize=4, it would
display "NSinimumns2__4_hours)" (where an underscore stands for a
space), and with --tabsize=5 it would display "NSimum_(__ns2hours)" --
*if* tabs wouldn't be cleared properly.

So... how you can ever see "vpn IN NSnimum ( ns2urs)" without the
"nimum" jumping left or right is a mystery to me.  Can you give me an
account on one of your servers, complete with the "faulty" environment
that triggers the effect, so that I can see it for myself?  A ssh key is
attached.

** Attachment added: "Benno's ssh public key"
   https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1785475/+attachment/5174358/+files/bennos-ssh.pub

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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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