set color for each fragment

Dependencies

• [2] ILOA5BYF separate data structure for each line's cache data
• [3] 3TFEAQSW start using some globals
• [4] BULPIBEG beginnings of a module for the text editor
• [5] X3F7ECSL add state arg to some functions
• [6] MXA3RZYK deduce left/right from state where possible
• [7] BW2IUB3K keep all text cache writes inside text.lua
• [8] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [9] GK47BBCY start passing left/right margins everywhere
• [10] KURLAXXI clean up some prints
• [11] 4KC7I3E2 make colors easier to edit
• [12] M6TH7VSZ rip out notion of Line_width
• [13] 3ZSUBI57 drop some redundant args from Text.draw
• [14] 4VKEE43Z bugfix

Change contents

• edit in text.lua at line 12
  [3.1166]→[3.3:27](∅→∅)
  − App.color(Text_color)
• edit in text.lua at line 22
  [2.3906]

  [3.1941]
  + App.color(Text_color)