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Grouping statements

Use begin to combine statements in a group.


(if (= (car (gimp-selection-is-empty img))
       FALSE)
    (begin
      (do-something)
      (do-something-else)
      (gimp-progress-update percent-done)
    )    ;; end "if selection empty"
    (gimp-message "Nothing is selected")  ;; !empty
)