handle tab characters

Dependencies

• [2] XNFTJHC4 split keyboard handling between Text and Drawing
• [3] BULPIBEG beginnings of a module for the text editor
• [4] DLQMM265 scroll past first page

Change contents

• edit in text.lua at line 19
  [2.171]

  [2.171]
  + Text.insert_at_cursor(t)

  + save_to_disk(Lines, Filename)

  + end

  +

  + function Text.insert_at_cursor(t)
• edit in text.lua at line 32
  [2.481]→[2.481:513](∅→∅)
  − save_to_disk(Lines, Filename)
• edit in text.lua at line 42
  [2.972]

  [2.972]
  + save_to_disk(Lines, Filename)

  + elseif chord == 'tab' then

  + Text.insert_at_cursor('\t')