Subject: bug#60936: 30.0.50; ERC >5.5: Add erc-fill style based on visual-line-mode

From: "J.P." <[email-masked]>
Date: Wed, 18 Jan 2023 07:01:39 -0800

Brief demo (video/webm):

  https://debbugs.gnu.org/cgi/bugreport.cgi?filename=wrap_demo.webm;msg=6;bug=60936;att=1