correct location of the line width slider

Dependencies

• [2] NFCBIEZD affordance to adjust width for word wrap
• [3] 7M5PGWKU drop last couple of manual tests
• [4] DHCLUDCW .
• [5] K464QQR4 more defensive resize handling
• [*] BULPIBEG beginnings of a module for the text editor
• [*] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in text.lua at line 17
  [7.141]

  [8.1747]
  + --? love.graphics.line(Line_width,0, Line_width,App.screen.height)
• replacement in main_tests.lua at line 19
  [3.751]→[3.751:851](∅→∅)
  − App.run_after_mouse_press(Margin_left+256, Margin_top-3, 1)

  − App.mouse_move(Margin_left+200, 37)
  [3.751]

  [3.851]
  + App.run_after_mouse_press(256, Margin_top-3, 1)

  + App.mouse_move(200, 37)
• replacement in main.lua at line 227
  [2.82]→[2.82:176](∅→∅)
  − button('line-width', {x=Margin_left+Line_width-4,y=Margin_top-10, w=10,h=10, color={1,1,1},
  [2.82]

  [2.176]
  + button('line-width', {x=Line_width-4,y=Margin_top-10, w=10,h=10, color={1,1,1},
• replacement in main.lua at line 300
  [2.510]→[2.510:557](∅→∅)
  − Line_width = App.mouse_x() - Margin_left
  [2.510]

  [2.557]
  + Line_width = App.mouse_x()