move a var closer to its use

Dependencies

• [2] HALS7E5U more clearly skip prints before screen top
• [3] DHI6IJCN selecting text and deleting selections
• [4] HOSPP2AN crisp font rendering
• [5] LERERVPH keep one screen line of overlap on pagedown
• [6] X3F7ECSL add state arg to some functions
• [7] OYXDYPGS get rid of debug variables
• [8] ILOA5BYF separate data structure for each line's cache data
• [9] QYIFOHW3 first test!
• [10] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [*] BULPIBEG beginnings of a module for the text editor

Change contents

• edit in text.lua at line 29
  [3.1984]→[3.1984:2007](∅→∅),[3.2007]→[3.2:46](∅→∅)
  − -- render fragment

  − local frag_width = App.width(frag_text)
• edit in text.lua at line 36
  [2.138]

  [2.138]
  + -- render fragment

  + local frag_width = App.width(frag_text)