[Bug 1767314] Re: Ubuntu Bionic vi/vim not working correctly

[flashydave]

Setting regexpengine=1 drops this back down to 1.4 seconds. So either
this is the root cause of this particular slowdown (i.e. when syntax
highlighting gitolite format files) or at least compensates for whatever
is the root cause.  According to
https://stackoverflow.com/posts/38521226 the default regexp engine
changed with Vim 7.4. This was the version shipped with Trusty onwards
so in theory was already in use on 14.04 and 16.04 ubuntu so something
doesnt quite tie up

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https://bugs.launchpad.net/bugs/1767314

Title:
  Ubuntu Bionic vi/vim not working correctly

Status in vim package in Ubuntu:
  Confirmed

Bug description:
  The vim default configuration in Bionic does not match Ubuntu 17.10
  nor Centos 7 and is hard to use. It auto-inserts tabs or spaces, and
  the '/' search mode command works differently (pressing enter is
  required before you can use cursors left/right).

  For some discussion, please see
  https://askubuntu.com/questions/1026820/vi-vim-usage-in-ubuntu-bionic-
  not-normal/1028684#1028684

  Setting :set nocompatbile in ~/.vimrc fixes it, but this should not be
  required.

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