stop creating a singleton table for every word

Dependencies

• [2] ISOFHXB2 App.width can no longer take a Text
• [3] H4R5BHVY no more Text allocations
• [4] OYVFFWBK move
• [5] XUGDTYW2 stop confusingly reading a global
• [6] FBVUNLS4 clean up some debug prints
• [7] 6WDBV52Z move a var closer to its use
• [8] X3F7ECSL add state arg to some functions
• [9] ILOA5BYF separate data structure for each line's cache data
• [10] S2MISTTM add state arg to a few functions
• [11] PFT5Y2ZY move
• [12] OYXDYPGS get rid of debug variables
• [13] UN7GKYV5 support hyperlinks in the source editor
• [14] HIKLULFQ extract a function
• [15] KURLAXXI clean up some prints
• [16] UPCIYZEU drop an unnecessary level of indent
• [17] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [18] DHI6IJCN selecting text and deleting selections
• [19] HALS7E5U more clearly skip prints before screen top
• [20] R3KXFRZN get rid of to_text
• [21] LWPRYDLW set color for each fragment
• [22] WLHI7KD3 new globals: draw partial screen line up top
• [23] G54H3YG2 get rid of all bifold text
• [24] KKMFQDR4 editing source code from within the app
• [25] Z4XRNDTR find text
• [26] FZBXBUFF bugfix: search
• [27] CVGE3SIG I feel confident now that page-down is working.
• [*] BULPIBEG beginnings of a module for the text editor

Change contents

• replacement in text.lua at line 18
  [4.29]→[3.3:113](∅→∅)
  − local frag_len = utf8.len(f.data)

  − --? print('text.draw:', f.data, 'at', line_index,pos, 'after', x,y)
  [4.29]

  [4.48]
  + local frag_len = utf8.len(f)

  + --? print('text.draw:', f, 'at', line_index,pos, 'after', x,y)
• replacement in text.lua at line 22
  [4.95]→[3.114:150](∅→∅)
  − --? print('skipping', f.data)
  [4.95]

  [4.129]
  + --? print('skipping', f)
• replacement in text.lua at line 25
  [4.28]→[2.3:46](∅→∅)
  − local frag_width = App.width(f.data)
  [4.28]

  [4.138]
  + local frag_width = App.width(f)
• replacement in text.lua at line 39
  [4.1066]→[3.151:187](∅→∅)
  − App.screen.print(f.data, x,y)
  [4.1066]

  [4.259]
  + App.screen.print(f, x,y)
• replacement in text.lua at line 50
  [4.869]→[3.188:270](∅→∅)
  − Text.draw_cursor(State, x+Text.x(f.data, State.cursor1.pos-pos+1), y)
  [4.869]

  [4.530]
  + Text.draw_cursor(State, x+Text.x(f, State.cursor1.pos-pos+1), y)
• replacement in text.lua at line 91
  [4.594]→[2.47:88](∅→∅)
  − local frag_width = App.width(f.data)
  [4.594]

  [4.638]
  + local frag_width = App.width(f)
• replacement in text.lua at line 97
  [4.792]→[3.271:304](∅→∅)
  − pos = pos + utf8.len(f.data)
  [4.792]

  [4.853]
  + pos = pos + utf8.len(f)
• replacement in text.lua at line 123
  [4.982]→[3.305:362](∅→∅)
  − table.insert(line_cache.fragments, {data=frag1})
  [4.982]

  [4.1056]
  + table.insert(line_cache.fragments, frag1)
• replacement in text.lua at line 130
  [4.618]→[3.363:417](∅→∅)
  − table.insert(line_cache.fragments, {data=frag})
  [4.1407]

  [4.1549]
  + table.insert(line_cache.fragments, frag)
• replacement in source_text.lua at line 20
  [4.87502]→[3.422:557](∅→∅)
  − select_color(f.data)

  − local frag_len = utf8.len(f.data)

  − --? print('text.draw:', f.data, 'at', line_index,pos, 'after', x,y)
  [4.87502]

  [4.87674]
  + select_color(f)

  + local frag_len = utf8.len(f)

  + --? print('text.draw:', f, 'at', line_index,pos, 'after', x,y)
• replacement in source_text.lua at line 25
  [4.87725]→[3.558:594](∅→∅)
  − --? print('skipping', f.data)
  [4.87725]

  [4.87759]
  + --? print('skipping', f)
• replacement in source_text.lua at line 28
  [4.87793]→[2.310:353](∅→∅)
  − local frag_width = App.width(f.data)
  [4.87793]

  [4.87839]
  + local frag_width = App.width(f)
• replacement in source_text.lua at line 43
  [4.84]→[3.595:685](∅→∅)
  − local trimmed_word = rtrim(f.data) -- compute_fragments puts whitespace at the end
  [4.84]

  [4.172]
  + local trimmed_word = rtrim(f) -- compute_fragments puts whitespace at the end
• replacement in source_text.lua at line 55
  [4.779]→[3.686:722](∅→∅)
  − App.screen.print(f.data, x,y)
  [4.779]

  [4.88227]
  + App.screen.print(f, x,y)
• replacement in source_text.lua at line 66
  [4.88889]→[3.723:805](∅→∅)
  − Text.draw_cursor(State, x+Text.x(f.data, State.cursor1.pos-pos+1), y)
  [4.88889]

  [4.88969]
  + Text.draw_cursor(State, x+Text.x(f, State.cursor1.pos-pos+1), y)
• replacement in source_text.lua at line 107
  [4.91878]→[2.354:395](∅→∅)
  − local frag_width = App.width(f.data)
  [4.91878]

  [4.91922]
  + local frag_width = App.width(f)
• replacement in source_text.lua at line 113
  [4.92076]→[3.806:839](∅→∅)
  − pos = pos + utf8.len(f.data)
  [4.92076]

  [4.92137]
  + pos = pos + utf8.len(f)
• replacement in source_text.lua at line 139
  [4.93792]→[3.840:897](∅→∅)
  − table.insert(line_cache.fragments, {data=frag1})
  [4.93792]

  [4.93866]
  + table.insert(line_cache.fragments, frag1)
• replacement in source_text.lua at line 146
  [4.94166]→[3.898:952](∅→∅)
  − table.insert(line_cache.fragments, {data=frag})
  [4.94086]

  [4.94236]
  + table.insert(line_cache.fragments, frag)