Justify not preserved when entering a new paragraph

• XE 1.9 M1 + FF3
• Enter a line of text
• Enter a second line of text
• Select the second line and click on justify-right
• Put the caret at the end of the second line
• Hit enter twice
• The caret goes back to justify-left

-> I think the "justify" setting should be preserved until the user explicitly changes it (same way the font style is kept until explicitly changed).