- -
TAB Indent current line (mode-dependent)
C-M-\ Indent region (mode-dependent)
C-M-q Indent sexp (mode-dependent)
C-x TAB Indent region rigidly arg columns
M-; Indent for comment
C-o Insert newline after point
C-M-o Move rest of line vertically down
C-x C-o Delete blank lines around point
M-^ Join line with previous (with arg, next)
M-\ Delete all white space around point
M-SPC Put exactly one space at point
M-q Fill paragraph
C-x f Set fill column to arg
C-x . Set prefix each line starts with
M-o Set face
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