patch 8.1.1949: cannot scroll a popup window to the very bottom Commit: https://github.com/vim/vim/commit/8c6173c7d3431dd8bc2b6ffc076ef49512a7e175 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 30 22:08:34 2019 +0200 patch 8.1.1949: cannot scroll a popup window to the very bottom Problem: Cannot scroll a popup window to the very bottom. Solution: Scroll to the bottom when the "firstline" property was set to -1. (closes #4577) Allow resetting min/max width/height.

" Simplistic way to make spaces and Tabs visible

" This can be added to an already active syntax.

syn match Space " "
syn match Tab "\t"
if &background == "dark"
  hi def Space ctermbg=darkred guibg=#500000
  hi def Tab ctermbg=darkgreen guibg=#003000
else
  hi def Space ctermbg=lightred guibg=#ffd0d0
  hi def Tab ctermbg=lightgreen guibg=#d0ffd0
endif