set-justification-center
set-justification-center is an interactive compiled Lisp function in `fill.el
'.
It is bound to <C-down-mouse-2> <ju> c, <menu-bar> <edit> <props> <ju> c.
(set-justification-center B E
)
Make paragraphs in the region centered.
If the mark is not active, this applies to the current paragraph.