SUMMARY STEPS TO REPRODUCE 1. Create an email with an HTML signature 2. Type some text 2. Hit the Enter Key twice to create a new paragraph 3. Type more text OBSERVED RESULT When the email is sent or saved the double line breaks are converted to this: <p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">SOME TEXT</p> <p> <p style="margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;">MORE TEXT</p> The added "<p> " creates huge whitespaces between each paragraph. EXPECTED RESULT A normal sized empty line between each paragraph. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Void Linux & Manjaro with KDE Plasma (available in About System) KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.70.0 Qt Version: 5.14.2 ADDITIONAL INFORMATION This behavior is the same in both Void Linux and Manjaro. Kmail 5.13.x does not have this issue.