bugfix: escape key to hide online help

Dependencies

• [2] DLQMM265 scroll past first page
• [3] XNFTJHC4 split keyboard handling between Text and Drawing
• [4] WTDKUACN rectangle and square shapes
• [5] BYG5CEMV support for naming points
• [*] OTIBCAUJ love2d scaffold
• [*] 252M2QMD forgot to move this special case out
• [*] BLWAYPKV extract a module

Change contents

• edit in main.lua at line 188
  [8.155]

  [2.1585]
  + end

  + elseif chord == 'escape' and not love.mouse.isDown('1') then

  + for _,line in ipairs(Lines) do

  + if line.mode == 'drawing' then

  + line.show_help = false

  + end
• edit in drawing.lua at line 526
  [3.11594]→[3.11594:11778](∅→∅)
  − end

  − elseif chord == 'escape' and not love.mouse.isDown('1') then

  − for _,line in ipairs(Lines) do

  − if line.mode == 'drawing' then

  − line.show_help = false

  − end