Apologies that it’s hard to describe the result of this bug in text; please see the screenshot of what happens.
Steps to reproduce:
- Select a subscription that opens in Feed view.
- Select a story.
- Use the right arrow key to read it in Text view.
- Use the left arrow key to go back to Feed view.
- Use shift-S to open the Share This Story comment box.
The pane containing the story will be misdrawn. In some cases, it results in a vertical scroll bar in the left part of the pane. In more extreme cases (like the attached screenshot), much of the story’s text becomes unviewable.
Tested this in both Firefox (with my usual extensions and everything) and Chrome (fresh install, no extensions or synced account). Can reproduce in both browsers, and on both Windows 10 and Linux (Ubuntu 16.04 LTS).