drop some extra args

Dependencies

• [2] UHB4GARJ left/right margin -> left/right coordinates
• [3] LNUHQOGH start passing in Editor_state explicitly
• [4] QCPXQ2E3 add state arg to a few functions
• [5] LF7BWEG4 group all editor globals
• [6] 2L5MEZV3 experiment: new edit namespace

Change contents

• replacement in edit.lua at line 203
  [3.7091]→[2.22606:22676](∅→∅)
  − if Text.in_line(State, line, x,y, State.left, State.right) then
  [3.7091]

  [3.7173]
  + if Text.in_line(State, line, x,y) then
• replacement in edit.lua at line 218
  [3.7859]→[2.22677:22758](∅→∅)
  − pos=Text.to_pos_on_line(State, line, x, y, State.left, State.right),
  [3.7859]

  [3.7952]
  + pos=Text.to_pos_on_line(State, line, x, y),
• replacement in edit.lua at line 248
  [3.8882]→[2.22759:22831](∅→∅)
  − if Text.in_line(State, line, x,y, State.left, State.right) then
  [3.8882]

  [3.8966]
  + if Text.in_line(State, line, x,y) then
• replacement in edit.lua at line 252
  [3.9058]→[2.22832:22915](∅→∅)
  − pos=Text.to_pos_on_line(State, line, x, y, State.left, State.right),
  [3.9058]

  [3.9153]
  + pos=Text.to_pos_on_line(State, line, x, y),