man/.dir-locals.el

; special .c mode with reduced indentation for man pages
((c-mode . ((fill-column . 80)
            (c-basic-offset . 2)
            (eval . (c-set-offset 'substatement-open 0))
            (eval . (c-set-offset 'statement-case-open 0))
            (eval . (c-set-offset 'case-label 0))
            (eval . (c-set-offset 'arglist-intro '++))
            (eval . (c-set-offset 'arglist-close 0))))
 (nxml-mode . ((nxml-child-indent . 2)
               (fill-column . 109)))
 (meson-mode . ((meson-indent-basic . 8)))
 (nil . ((indent-tabs-mode . nil)
         (tab-width . 8)
         (fill-column . 79))))