Merge upstream

Dependencies

• [2] NYMFNQDT Merge upstream into main
• [3] PYLBFWWE overzealous search-and-replace
• [4] O6T3TPXD bugfix: position cursor up top when loading file
• [5] HRWN5V6J Devine's suggestion to try to live with just freehand
• [6] VG75U7IM bugfix: typing should delete highlighted text
• [7] AVQ5MC5D finish uppercasing all globals
• [8] AVTNUQYR basic test-enabled framework
• [9] LF7BWEG4 group all editor globals
• [10] JRLBUB6L more intuitive point delete from polygons
• [11] Z4KNS42N to open a file without a terminal, drag it on!
• [12] MSDHRXWU Merge upstream into main
• [13] LNUHQOGH start passing in Editor_state explicitly
• [14] ZLEPKWDJ fork: capture frontend for a note-taking system
• [15] 6LJZN727 handle chords
• [16] BJ5X5O4A let's prevent the text cursor from ever getting on a drawing
• [17] PWHZPJJM always show current filename in window title
• [18] 3QQZ7W4E bring couple more globals back to the app level
• [19] 2L5MEZV3 experiment: new edit namespace
• [20] XNFTJHC4 split keyboard handling between Text and Drawing
• [21] OTIBCAUJ love2d scaffold

Change contents

• edit in main.lua at line 173
  [4.331]→[2.11:11](∅→∅),[4.568]→[3.8:71](∅→∅),[4.568]→[3.8:71](∅→∅)
  −

  − love.window.setTitle('lines.love - '..Editor_state.filename)
• resolve order conflict in main.lua at line 173
  [4.331]