Merge upstream into main

Dependencies

• [2] OEUU62GM Merge upstream into main
• [3] DWZK32YD include CWD when saving filename
• [4] VUVH2XLF Merge upstream into main
• [5] 23DEB6JL make sure to save right when quitting
• [6] VIU2FBNV make sure to save right when quitting
• [7] KVHUFUFV reorg
• [8] 7M7LS7I2 start saving some settings to disk on quit
• [9] AVTNUQYR basic test-enabled framework
• [10] AM42E4Y6 avoid redundant writes on exit
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in main.lua at line 326
  [2.251]→[2.251:396](∅→∅),[2.396]→[4.1874:1879](∅→∅),[4.68]→[4.1874:1879](∅→∅)
  − font_height=Font_height, filename=Filename, screen_top=Screen_top1, cursor=Cursor1}

  − love.filesystem.write('config', json.encode(settings))

  − end

  −
• resurrect zombie in main.lua at line 326
  [4.251]→[3.8:184](∅→∅),[4.251]→[3.8:184](∅→∅)
  + font_height=Font_height,

  + filename=love.filesystem.getWorkingDirectory()..'/'..Filename, -- '/' should work even on Windows

  + screen_top=Screen_top1, cursor=Cursor1}
• resolve order conflict in main.lua at line 326
  [2.251]

  [3.8]
• edit in main.lua at line 329
  [3.184]

  [4.1399]
  + love.filesystem.write('config', json.encode(settings))

  + end

  +