HTMLElement.shadowRoot is deprecated.

[yavanna]

The contents of atom-text-editor elements are no longer encapsulated
within a shadow DOM boundary. Please, stop using shadowRoot and access
the editor contents directly instead.

HTMLElement.shadowRoot (C:\Users\Kensuke\AppData\Local\atom\app-1.21.0\resources\app.asar\src\text-editor-element.js:13:10)
MarkdownScrlSync.getVisTopHgtBot (C:\Users\Kensuke\.atom\packages\markdown-scroll-sync\lib\utils.coffee:20:33)
MarkdownScrlSync.setMap (C:\Users\Kensuke\.atom\packages\markdown-scroll-sync\lib\map.coffee:25:14)
MarkdownScrlSync.startTracking (C:\Users\Kensuke\.atom\packages\markdown-scroll-sync\lib\main.coffee:75:12)
<unknown> (C:\Users\Kensuke\.atom\packages\markdown-scroll-sync\lib\main.coffee:58:23)
Function.module.exports.Emitter.simpleDispatch (<embedded>:64068:20)

[lucasvieites]

duplicate of #94