src/Tools/VSCode/etc/options

clarified options;

(* :mode=isabelle-options: *)

option vscode_input_delay : real = 0.1
  -- "delay for client input (edits)"

option vscode_output_delay : real = 0.5
  -- "delay for client output (rendering)"

option vscode_load_delay : real = 0.5
  -- "delay for file load operations"

option vscode_tooltip_margin : int = 60
  -- "margin for pretty-printing of tooltips"

option vscode_message_margin : int = 80
  -- "margin for pretty-printing of diagnostic messages"

option vscode_timing_threshold : real = 0.1
  -- "default threshold for timing display (seconds)"

option vscode_pide_extensions : bool = false
  -- "use PIDE extensions for Language Server Protocol"

option vscode_unicode_symbols : bool = false
  -- "output Isabelle symbols via Unicode (according to etc/symbols)"