chunking by simple local variable

Dependencies

• [2] P5QNVXSN drop final mention of state global beyond main.lua
• [3] R3JZDBI2 drop heavyweight near check on file load/store
• [4] DLQAEAC7 add state arg to Drawing.mouse_pressed
• [5] HYEAFRZ2 split mouse_pressed events between Text and Drawing
• [6] KTZQ57HV replace globals with args in a few functions
• [7] UHB4GARJ left/right margin -> left/right coordinates
• [*] BLWAYPKV extract a module

Change contents

• edit in drawing.lua at line 216
  [3.140]

  [3.140]
  + local cx = Drawing.coord(x-State.left, State.width)

  + local cy = Drawing.coord(y-drawing.y, State.width)
• replacement in drawing.lua at line 219
  [3.191]→[2.683:837](∅→∅)
  − drawing.pending = {mode=State.current_drawing_mode, points={{x=Drawing.coord(x-State.left, State.width), y=Drawing.coord(y-drawing.y, State.width)}}}
  [3.191]

  [3.326]
  + drawing.pending = {mode=State.current_drawing_mode, points={{x=cx, y=cy}}}
• replacement in drawing.lua at line 221
  [3.422]→[2.838:993](∅→∅)
  − local j = Drawing.find_or_insert_point(drawing.points, Drawing.coord(x-State.left, State.width), Drawing.coord(y-drawing.y, State.width), State.width)
  [3.422]

  [3.537]
  + local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)
• replacement in drawing.lua at line 224
  [3.740]→[2.994:1149](∅→∅)
  − local j = Drawing.find_or_insert_point(drawing.points, Drawing.coord(x-State.left, State.width), Drawing.coord(y-drawing.y, State.width), State.width)
  [3.740]

  [3.855]
  + local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)
• replacement in drawing.lua at line 227
  [3.978]→[2.1150:1305](∅→∅)
  − local j = Drawing.find_or_insert_point(drawing.points, Drawing.coord(x-State.left, State.width), Drawing.coord(y-drawing.y, State.width), State.width)
  [3.978]

  [3.1093]
  + local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)