simpler location comparison

Dependencies

• [2] LXTTOB33 extract a couple of files
• [3] S2MISTTM add state arg to a few functions
• [4] LF7BWEG4 group all editor globals
• [5] HIKLULFQ extract a function

Change contents

• replacement in select.lua at line 19
  [2.44791]→[2.44791:44813](∅→∅)
  − if minl > maxl then
  [2.44791]

  [2.44813]
  + if Text.lt1({line=maxl, pos=maxp},

  + {line=minl, pos=minp}) then
• edit in select.lua at line 23
  [2.44865]→[2.44865:44952](∅→∅)
  − elseif minl == maxl then

  − if minp > maxp then

  − minp,maxp = maxp,minp

  − end