manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
(* :mode=isabelle-options: *)
option jedit_logic : string = ""
-- "default logic session"
option jedit_auto_start : bool = true
-- "auto-start prover session on editor startup"
option jedit_relative_font_size : int = 100
-- "relative font size of output panel wrt. main text area"
option jedit_tooltip_font_size : int = 10
-- "tooltip font size (according to HTML)"
option jedit_tooltip_margin : int = 60
-- "margin for tooltip pretty-printing (in characters)"
option jedit_tooltip_dismiss_delay : real = 8.0
-- "global delay for Swing tooltips (in seconds)"