Merge lines.love

Dependencies

• [2] Z5WOBP27 Merge lines.love
• [3] QQBP3G6W return height of editor widget after drawing
• [4] ERQKFTPV extract method
• [5] 5STHSG4U remove some duplication
• [6] LNUHQOGH start passing in Editor_state explicitly
• [7] OWYI7OJT Merge upstream
• [8] AF253GHL bugfix
• [*] 2L5MEZV3 experiment: new edit namespace

Change contents

• resurrect zombie in edit.lua at line 143
  [4.366]→[3.28:52](∅→∅),[4.366]→[3.28:52](∅→∅)
  + -- return y drawn until
• resolve order conflict in edit.lua at line 143
  [2.838]

  [3.28]