[Bug 1522598] Re: nano crashes when resizing terminal

[Benno Schulenberg]

In fact, it isn't fixed.  It just happened that on my two machines I use
VTE-based terminals, and somehow they don't allow the window to be made
smaller than four columns.  But xterm allows reducing the window to just
one column -- and with anything less than four columns, nano goes down.

Nano goes down deliberately when the window gets narrower than four
columns, but... I don't think it should do that.  No other console
editor does that.  Vim and joe and Emacs all stay alive even in a one-
column terminal.  So I think nano should do the same.  Emacs stops
outputting anything to the screen when the terminal is narrower than six
columns (probably because by then things are entirely unreadable).  Nano
could do something similar, also because it is an easy fix: simply skip
all display activity when COLS < 4.

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https://bugs.launchpad.net/bugs/1522598

Title:
  nano crashes when resizing terminal

Status in nano package in Ubuntu:
  Confirmed

Bug description:
  See video here: https://vid.me/5ksi

  Whenever I resize the terminal that nano is running in to a very small
  size, it will crash.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nano 2.2.6-1ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-37.42~14.04.1-generic 3.19.8-ckt9
  Uname: Linux 3.19.0-37-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Dec  3 22:57:39 2015
  InstallationDate: Installed on 2015-11-09 (24 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: nano
  UpgradeStatus: No upgrade log present (probably fresh install)

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