one more known issue

Dependencies

• [2] IDGP4BJZ new known issue with drawings
• [*] FS2ITYYH record a known issue
• [*] A2TQYJ6J .

Change contents

• edit in README.md at line 7
  [2.13]

  [5.79]
  + * There's a bug in freehand drawings (C-p mode) that causes them to be

  + highlighted even when the mouse is nowhere near them.

  +