etc/options

explicit document_output directory, without implicit purge of default in ISABELLE_BROWSER_INFO;

(* :mode=isabelle-options: *)

option browser_info : bool = false
  -- "generate theory browser information"

option document : string = ""
  -- "build document in given format: pdf, dvi, dvi.gz, ps, ps.gz, or false"
option document_output : string = ""
  -- "document output directory (default within $ISABELLE_BROWSER_INFO tree)"
option document_variants : string = "document"
  -- "option alternative document variants (separated by colons)"
option document_graph : bool = false
  -- "generate session graph image for document"
option document_dump : string = ""
  -- "dump generated document sources into given directory"
option document_dump_mode : string = "all"
  -- "specific document dump mode: all, tex, tex+sty"

option threads : int = 0
  -- "maximum number of worker threads for prover process (0 = hardware max.)"
option threads_trace : int = 0
  -- "level of tracing information for multithreading"
option parallel_proofs : int = 2
  -- "level of parallel proof checking: 0, 1, 2"
option parallel_proofs_threshold : int = 100
  -- "threshold for sub-proof parallelization"

option print_mode : string = ""
  -- "additional print modes for prover output (separated by commas)"

option proofs : int = 1
  -- "level of detail for proof objects: 0, 1, 2"
option quick_and_dirty : bool = false
  -- "if true then some tools will OMIT some proofs"
option skip_proofs : bool = false
  -- "skip over proofs"

option condition : string = ""
  -- "required environment variables for subsequent theories (separated by commas)"

option show_question_marks : bool = true
  -- "show leading question mark of schematic variables"

option names_long : bool = false
  -- "show fully qualified names"
option names_short : bool = false
  -- "show base names only"
option names_unique : bool = true
  -- "show partially qualified names, as required for unique name resolution"

option pretty_margin : int = 76
  -- "right margin / page width of pretty printer in Isabelle/ML"

option thy_output_display : bool = false
  -- "indicate output as multi-line display-style material"
option thy_output_break : bool = false
  -- "control line breaks in non-display material"
option thy_output_quotes : bool = false
  -- "indicate if the output should be enclosed in double quotes"
option thy_output_indent : int = 0
  -- "indentation for pretty printing of display material"
option thy_output_source : bool = false
  -- "print original source text rather than internal representation"

option timing : bool = false
  -- "global timing of toplevel command execution and theory processing"

option timeout : real = 0
  -- "timeout for session build job (seconds > 0)"