new globals: draw partial screen line up top

Dependencies

• [2] LUNH47XX make text and drawings the same width
• [3] A2QPFRFJ move
• [4] 3TFEAQSW start using some globals
• [5] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [6] 5L7K4GBD clicking to the right of a wrapped line
• [7] BOFNXP5G clicking now moves the cursor even on long, wrapped lines
• [*] BULPIBEG beginnings of a module for the text editor
• [*] OTIBCAUJ love2d scaffold
• [*] JCSLDGAH beginnings of support for multiple shapes
• [*] PWHZPJJM always show current filename in window title

Change contents

• replacement in text.lua at line 22
  [4.2151]→[4.2151:2185](∅→∅)
  − y = y + math.floor(15*Zoom)
  [4.2151]

  [4.2185]
  + if line_index > Screen_top_line or pos >= Top_screen_line_starting_pos then

  + y = y + math.floor(15*Zoom)

  + end
• replacement in text.lua at line 32
  [4.2206]→[4.2206:2254](∅→∅)
  − love.graphics.draw(frag_text, x,y, 0, Zoom)
  [4.2206]

  [4.2254]
  + if line_index > Screen_top_line or pos >= Top_screen_line_starting_pos then

  + love.graphics.draw(frag_text, x,y, 0, Zoom)

  + end
• edit in main.lua at line 50
  [3.68]

  [11.1240]
  + Top_screen_line_starting_pos = 1 -- when top of screen starts in between a wrapped line

  + Bottom_screen_line_starting_pos = 1 -- when bottom of screen starts in between a wrapped line
• edit in main.lua at line 71
  [12.43]

  [2.87]
  + --? Line_width = 100