let phrase_sep = ".";;
let blank_uri = "about:blank";;
let current_proof_uri = "about:current_proof";;
-let default_script_font = "Monospace 10";;
+let default_font_size = 10;;
+let script_font = "Monospace";;
let runtime_base_dir = "@RT_BASE_DIR@";;
let images_dir = runtime_base_dir ^ "/icons"