set-justification-right

set-justification-right is an interactive compiled Lisp function in `fill.el'.

It is bound to <C-down-mouse-2> <ju> r, <menu-bar> <edit> <props> <ju> r.

(set-justification-right B E)

Make paragraphs in the region right-justified.
This means they are flush at the right margin and ragged on the left.
If the mark is not active, this applies to the current paragraph.