wenzelm@5831: (* Title: Pure/Isar/isar_cmd.ML wenzelm@5831: ID: $Id$ wenzelm@5831: Author: Markus Wenzel, TU Muenchen wenzelm@5831: wenzelm@5831: Non-logical toplevel commands. wenzelm@5831: *) wenzelm@5831: wenzelm@5831: signature ISAR_CMD = wenzelm@5831: sig wenzelm@7462: val welcome: Toplevel.transition -> Toplevel.transition wenzelm@7462: val init_toplevel: Toplevel.transition -> Toplevel.transition wenzelm@5831: val exit: Toplevel.transition -> Toplevel.transition wenzelm@5831: val quit: Toplevel.transition -> Toplevel.transition wenzelm@7908: val touch_child_thys: string -> Toplevel.transition -> Toplevel.transition wenzelm@7101: val touch_all_thys: Toplevel.transition -> Toplevel.transition wenzelm@7101: val touch_thy: string -> Toplevel.transition -> Toplevel.transition wenzelm@7101: val remove_thy: string -> Toplevel.transition -> Toplevel.transition wenzelm@7931: val kill_thy: string -> Toplevel.transition -> Toplevel.transition wenzelm@9731: val pr: string list * (int option * int option) -> Toplevel.transition -> Toplevel.transition wenzelm@8453: val disable_pr: Toplevel.transition -> Toplevel.transition wenzelm@8453: val enable_pr: Toplevel.transition -> Toplevel.transition wenzelm@6734: val cannot_undo: string -> Toplevel.transition -> Toplevel.transition wenzelm@7729: val clear_undos_theory: int -> Toplevel.transition -> Toplevel.transition wenzelm@6742: val redo: Toplevel.transition -> Toplevel.transition wenzelm@6742: val undos_proof: int -> Toplevel.transition -> Toplevel.transition wenzelm@7936: val kill_proof_notify: (unit -> unit) -> Toplevel.transition -> Toplevel.transition wenzelm@6742: val kill_proof: Toplevel.transition -> Toplevel.transition wenzelm@6742: val undo_theory: Toplevel.transition -> Toplevel.transition wenzelm@6686: val undo: Toplevel.transition -> Toplevel.transition wenzelm@8498: val kill: Toplevel.transition -> Toplevel.transition wenzelm@17066: val back: Toplevel.transition -> Toplevel.transition wenzelm@14950: val use: Path.T -> Toplevel.transition -> Toplevel.transition wenzelm@12876: val use_mltext_theory: string -> Toplevel.transition -> Toplevel.transition wenzelm@12876: val use_mltext: bool -> string -> Toplevel.transition -> Toplevel.transition wenzelm@5831: val use_commit: Toplevel.transition -> Toplevel.transition wenzelm@14950: val cd: Path.T -> Toplevel.transition -> Toplevel.transition wenzelm@5831: val pwd: Toplevel.transition -> Toplevel.transition wenzelm@5831: val use_thy: string -> Toplevel.transition -> Toplevel.transition wenzelm@6694: val use_thy_only: string -> Toplevel.transition -> Toplevel.transition wenzelm@6195: val update_thy: string -> Toplevel.transition -> Toplevel.transition wenzelm@7101: val update_thy_only: string -> Toplevel.transition -> Toplevel.transition wenzelm@14950: val display_drafts: Path.T list -> Toplevel.transition -> Toplevel.transition wenzelm@14950: val print_drafts: Path.T list -> Toplevel.transition -> Toplevel.transition wenzelm@7124: val pretty_setmargin: int -> Toplevel.transition -> Toplevel.transition wenzelm@7308: val print_context: Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_theory: Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_syntax: Toplevel.transition -> Toplevel.transition wenzelm@5880: val print_theorems: Toplevel.transition -> Toplevel.transition wenzelm@12060: val print_locales: Toplevel.transition -> Toplevel.transition wenzelm@18135: val print_locale: bool * (Locale.expr * Element.context list) wenzelm@12758: -> Toplevel.transition -> Toplevel.transition ballarin@17139: val print_registrations: bool -> string -> Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_attributes: Toplevel.transition -> Toplevel.transition wenzelm@16026: val print_simpset: Toplevel.transition -> Toplevel.transition wenzelm@12382: val print_rules: Toplevel.transition -> Toplevel.transition wenzelm@11666: val print_induct_rules: Toplevel.transition -> Toplevel.transition wenzelm@9219: val print_trans_rules: Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_methods: Toplevel.transition -> Toplevel.transition wenzelm@9219: val print_antiquotations: Toplevel.transition -> Toplevel.transition wenzelm@16026: val thm_deps: (thmref * Attrib.src list) list -> wenzelm@16026: Toplevel.transition -> Toplevel.transition wenzelm@16037: val find_theorems: int option * (bool * string FindTheorems.criterion) list wenzelm@13284: -> Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_binds: Toplevel.transition -> Toplevel.transition wenzelm@5831: val print_lthms: Toplevel.transition -> Toplevel.transition wenzelm@8369: val print_cases: Toplevel.transition -> Toplevel.transition wenzelm@15703: val print_thms: string list * (thmref * Attrib.src list) list wenzelm@10581: -> Toplevel.transition -> Toplevel.transition wenzelm@15703: val print_prfs: bool -> string list * (thmref * Attrib.src list) list option berghofe@11524: -> Toplevel.transition -> Toplevel.transition wenzelm@12876: val print_prop: (string list * string) -> Toplevel.transition -> Toplevel.transition wenzelm@12876: val print_term: (string list * string) -> Toplevel.transition -> Toplevel.transition wenzelm@12876: val print_type: (string list * string) -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_header: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@17262: val add_chapter: xstring option * (string * Position.T) -> wenzelm@17262: Toplevel.transition -> Toplevel.transition wenzelm@17262: val add_section: xstring option * (string * Position.T) -> wenzelm@17262: Toplevel.transition -> Toplevel.transition wenzelm@17262: val add_subsection: xstring option * (string * Position.T) -> wenzelm@17262: Toplevel.transition -> Toplevel.transition wenzelm@17262: val add_subsubsection: xstring option * (string * Position.T) -> wenzelm@17262: Toplevel.transition -> Toplevel.transition wenzelm@17262: val add_text: xstring option * (string * Position.T) -> wenzelm@17262: Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_text_raw: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_sect: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_subsect: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_subsubsect: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_txt: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@12938: val add_txt_raw: string * Position.T -> Toplevel.transition -> Toplevel.transition wenzelm@5831: end; wenzelm@5831: wenzelm@5831: structure IsarCmd: ISAR_CMD = wenzelm@5831: struct wenzelm@5831: wenzelm@5831: wenzelm@7462: (* variations on init / exit *) wenzelm@7462: wenzelm@7462: val init_toplevel = Toplevel.imperative (fn () => raise Toplevel.RESTART); wenzelm@7462: val welcome = Toplevel.imperative (writeln o Session.welcome); wenzelm@5831: wenzelm@5831: val exit = Toplevel.keep (fn state => wenzelm@5831: (Context.set_context (try Toplevel.theory_of state); wenzelm@18063: writeln "Leaving the Isar loop. Invoke 'Isar.loop();' to continue."; wenzelm@5831: raise Toplevel.TERMINATE)); wenzelm@5831: wenzelm@5831: val quit = Toplevel.imperative quit; wenzelm@5831: wenzelm@7101: wenzelm@7101: (* touch theories *) wenzelm@7101: wenzelm@7908: fun touch_child_thys name = Toplevel.imperative (fn () => ThyInfo.touch_child_thys name); wenzelm@7101: val touch_all_thys = Toplevel.imperative ThyInfo.touch_all_thys; wenzelm@7101: fun touch_thy name = Toplevel.imperative (fn () => ThyInfo.touch_thy name); wenzelm@7101: fun remove_thy name = Toplevel.imperative (fn () => ThyInfo.remove_thy name); wenzelm@7931: fun kill_thy name = Toplevel.imperative (fn () => IsarThy.kill_theory name); wenzelm@7101: wenzelm@5831: wenzelm@8453: (* print state *) wenzelm@8453: wenzelm@8463: fun with_modes modes e = wenzelm@8463: Library.setmp print_mode (modes @ ! print_mode) e (); wenzelm@8463: skalberg@15531: fun set_limit _ NONE = () skalberg@15531: | set_limit r (SOME n) = r := n; wenzelm@9731: wenzelm@9731: fun pr (ms, (lim1, lim2)) = Toplevel.keep (fn state => wenzelm@9731: (set_limit goals_limit lim1; set_limit ProofContext.prems_limit lim2; Toplevel.quiet := false; wenzelm@8886: with_modes ms (fn () => Toplevel.print_state true state))); wenzelm@8453: wenzelm@8453: val disable_pr = Toplevel.imperative (fn () => Toplevel.quiet := true); wenzelm@8453: val enable_pr = Toplevel.imperative (fn () => Toplevel.quiet := false); wenzelm@8453: wenzelm@8453: wenzelm@6686: (* history commands *) wenzelm@6686: wenzelm@6734: fun cannot_undo txt = Toplevel.imperative (fn () => error ("Cannot undo " ^ quote txt)); wenzelm@7729: val clear_undos_theory = Toplevel.history o History.clear; wenzelm@16812: wenzelm@16812: val redo = wenzelm@16812: Toplevel.history History.redo o wenzelm@16812: Toplevel.actual_proof ProofHistory.redo o berghofe@15237: Toplevel.skip_proof History.redo; wenzelm@6686: wenzelm@16812: fun undos_proof n = wenzelm@16812: Toplevel.actual_proof (fn prf => berghofe@15237: if ProofHistory.is_initial prf then raise Toplevel.UNDEF else funpow n ProofHistory.undo prf) o berghofe@15237: Toplevel.skip_proof (fn h => berghofe@15237: if History.is_initial h then raise Toplevel.UNDEF else funpow n History.undo h); wenzelm@6686: wenzelm@7936: fun kill_proof_notify (f: unit -> unit) = Toplevel.history (fn hist => wenzelm@18588: if is_some (Toplevel.theory_node (History.current hist)) then raise Toplevel.UNDEF wenzelm@18588: else (f (); History.undo hist)); wenzelm@7936: wenzelm@7936: val kill_proof = kill_proof_notify (K ()); wenzelm@6686: wenzelm@6742: val undo_theory = Toplevel.history (fn hist => wenzelm@6742: if History.is_initial hist then raise Toplevel.UNDEF else History.undo hist); wenzelm@6686: wenzelm@7413: val undo = Toplevel.kill o undo_theory o undos_proof 1; wenzelm@8498: val kill = Toplevel.kill o kill_proof; wenzelm@17899: wenzelm@17899: val back = wenzelm@17899: Toplevel.actual_proof ProofHistory.back o wenzelm@17899: Toplevel.skip_proof (History.apply I); wenzelm@9273: wenzelm@6686: wenzelm@5831: (* use ML text *) wenzelm@5831: wenzelm@16045: fun use path = Toplevel.keep (fn state => wenzelm@16045: Context.setmp (try Toplevel.theory_of state) (ThyInfo.load_file false) path); wenzelm@5831: wenzelm@5831: (*passes changes of theory context*) wenzelm@12876: val use_mltext_theory = Toplevel.theory' o Context.use_mltext_theory; wenzelm@5831: wenzelm@5831: (*ignore result theory context*) wenzelm@12876: fun use_mltext v txt = Toplevel.keep' (fn verb => fn state => wenzelm@8349: (Context.use_mltext txt (v andalso verb) (try Toplevel.theory_of state))); wenzelm@5831: wenzelm@16193: (*commit is dynamically bound!*) wenzelm@12876: val use_commit = use_mltext false "commit();"; wenzelm@5831: wenzelm@5831: wenzelm@5831: (* current working directory *) wenzelm@5831: wenzelm@14950: fun cd path = Toplevel.imperative (fn () => (File.cd path)); wenzelm@7790: val pwd = Toplevel.imperative (fn () => writeln (Path.pack (File.pwd ()))); wenzelm@5831: wenzelm@5831: wenzelm@5831: (* load theory files *) wenzelm@5831: wenzelm@6243: fun use_thy name = Toplevel.imperative (fn () => Context.save ThyInfo.use_thy name); wenzelm@6694: fun use_thy_only name = Toplevel.imperative (fn () => Context.save ThyInfo.use_thy_only name); wenzelm@6243: fun update_thy name = Toplevel.imperative (fn () => Context.save ThyInfo.update_thy name); wenzelm@7124: fun update_thy_only name = wenzelm@7124: Toplevel.imperative (fn () => Context.save ThyInfo.update_thy_only name); wenzelm@7124: wenzelm@7124: wenzelm@14934: (* present draft files *) wenzelm@14934: wenzelm@14934: fun display_drafts files = Toplevel.imperative (fn () => wenzelm@16258: let val outfile = File.shell_path (Present.drafts (getenv "ISABELLE_DOC_FORMAT") files) wenzelm@16258: in File.isatool ("display -c " ^ outfile ^ " &"); () end); wenzelm@14934: wenzelm@14934: fun print_drafts files = Toplevel.imperative (fn () => wenzelm@16258: let val outfile = File.shell_path (Present.drafts "ps" files) wenzelm@16258: in File.isatool ("print -c " ^ outfile); () end); wenzelm@14934: wenzelm@14934: wenzelm@7124: (* pretty_setmargin *) wenzelm@7124: wenzelm@7124: fun pretty_setmargin n = Toplevel.imperative (fn () => Pretty.setmargin n); wenzelm@5831: wenzelm@5831: wenzelm@9513: (* print parts of theory and proof context *) wenzelm@5831: wenzelm@7308: val print_context = Toplevel.keep Toplevel.print_state_context; wenzelm@9513: wenzelm@9513: val print_theory = Toplevel.unknown_theory o wenzelm@9513: Toplevel.keep (PureThy.print_theory o Toplevel.theory_of); wenzelm@9513: wenzelm@9513: val print_syntax = Toplevel.unknown_theory o wenzelm@12069: Toplevel.keep (Display.print_syntax o Toplevel.theory_of) o wenzelm@12069: Toplevel.keep (ProofContext.print_syntax o Proof.context_of o Toplevel.proof_of); wenzelm@9513: wenzelm@17066: val print_theorems_proof = Toplevel.keep (fn state => wenzelm@17066: ProofContext.setmp_verbose wenzelm@17066: ProofContext.print_lthms (Proof.context_of (Toplevel.proof_of state))); wenzelm@17066: wenzelm@18588: val print_theorems_theory = Toplevel.keep (fn state => wenzelm@18588: Toplevel.theory_of state |> wenzelm@18588: (case Option.map Toplevel.theory_node (History.previous (Toplevel.node_history_of state)) of wenzelm@18588: SOME (SOME prev_thy) => PureThy.print_theorems_diff prev_thy wenzelm@18588: | _ => PureThy.print_theorems)); wenzelm@18588: wenzelm@18588: val print_theorems = Toplevel.unknown_theory o print_theorems_theory o print_theorems_proof; wenzelm@9513: wenzelm@12060: val print_locales = Toplevel.unknown_theory o wenzelm@12060: Toplevel.keep (Locale.print_locales o Toplevel.theory_of); wenzelm@12060: ballarin@17228: fun print_locale (show_facts, (import, body)) = Toplevel.unknown_theory o Toplevel.keep (fn state => ballarin@17228: Locale.print_locale (Toplevel.theory_of state) show_facts import body); ballarin@15596: ballarin@17139: fun print_registrations show_wits name = Toplevel.unknown_context o ballarin@17139: Toplevel.keep (Toplevel.node_case (Locale.print_global_registrations show_wits name) ballarin@17139: (Locale.print_local_registrations show_wits name o Proof.context_of)); wenzelm@12060: wenzelm@9513: val print_attributes = Toplevel.unknown_theory o wenzelm@9513: Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of); wenzelm@9513: wenzelm@16026: val print_simpset = Toplevel.unknown_context o wenzelm@16026: Toplevel.keep (Toplevel.node_case Simplifier.print_simpset wenzelm@16026: (Simplifier.print_local_simpset o Proof.context_of)); wenzelm@16026: wenzelm@12382: val print_rules = Toplevel.unknown_context o wenzelm@18639: Toplevel.keep (ContextRules.print_rules o Toplevel.context_of); wenzelm@12382: wenzelm@11666: val print_induct_rules = Toplevel.unknown_context o wenzelm@18639: Toplevel.keep (InductAttrib.print_rules o Toplevel.context_of); wenzelm@11666: wenzelm@9513: val print_trans_rules = Toplevel.unknown_context o wenzelm@18639: Toplevel.keep (Calculation.print_rules o Toplevel.context_of); wenzelm@9513: wenzelm@9513: val print_methods = Toplevel.unknown_theory o wenzelm@9513: Toplevel.keep (Method.print_methods o Toplevel.theory_of); wenzelm@9513: wenzelm@9219: val print_antiquotations = Toplevel.imperative IsarOutput.print_antiquotations; wenzelm@5831: kleing@15964: wenzelm@16026: (* retrieve theorems *) wenzelm@7615: wenzelm@9513: fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state => wenzelm@17352: ThmDeps.thm_deps (Proof.get_thmss (Toplevel.enter_forward_proof state) args)); wenzelm@9454: wenzelm@16026: fun find_theorems (opt_lim, spec) = Toplevel.unknown_theory o Toplevel.keep (fn state => wenzelm@16026: let wenzelm@16026: val proof_state = Toplevel.enter_forward_proof state; wenzelm@16026: val ctxt = Proof.context_of proof_state; wenzelm@16026: val opt_goal = try Proof.get_goal proof_state |> Option.map (Thm.prop_of o #2 o #2); wenzelm@16026: in FindTheorems.print_theorems ctxt opt_goal opt_lim spec end); wenzelm@16026: wenzelm@5831: wenzelm@5831: (* print proof context contents *) wenzelm@5831: wenzelm@9513: val print_binds = Toplevel.unknown_proof o Toplevel.keep (fn state => wenzelm@9513: ProofContext.setmp_verbose wenzelm@9513: ProofContext.print_binds (Proof.context_of (Toplevel.proof_of state))); wenzelm@9513: wenzelm@17066: val print_lthms = Toplevel.unknown_proof o print_theorems_proof; wenzelm@9513: wenzelm@9513: val print_cases = Toplevel.unknown_proof o Toplevel.keep (fn state => wenzelm@9513: ProofContext.setmp_verbose wenzelm@9513: ProofContext.print_cases (Proof.context_of (Toplevel.proof_of state))); wenzelm@5831: wenzelm@5831: wenzelm@7012: (* print theorems / types / terms / props *) wenzelm@5880: wenzelm@9128: fun string_of_thms state ms args = with_modes ms (fn () => wenzelm@12055: Pretty.string_of (ProofContext.pretty_thms (Proof.context_of state) wenzelm@17352: (Proof.get_thmss state args))); wenzelm@5895: berghofe@12125: fun string_of_prfs full state ms arg = with_modes ms (fn () => wenzelm@17066: Pretty.string_of (case arg of skalberg@15531: NONE => berghofe@12125: let wenzelm@17066: val (ctxt, (_, thm)) = Proof.get_goal state; wenzelm@17066: val {thy, der = (_, prf), ...} = Thm.rep_thm thm; wenzelm@17066: val prop = Thm.full_prop_of thm; berghofe@12125: val prf' = Proofterm.rewrite_proof_notypes ([], []) prf berghofe@12125: in wenzelm@17066: ProofContext.pretty_proof ctxt wenzelm@17066: (if full then Reconstruct.reconstruct_proof thy prop prf' else prf') berghofe@12125: end skalberg@15531: | SOME args => Pretty.chunks wenzelm@17066: (map (ProofContext.pretty_proof_of (Proof.context_of state) full) wenzelm@17352: (Proof.get_thmss state args)))); berghofe@11524: wenzelm@9128: fun string_of_prop state ms s = wenzelm@5831: let wenzelm@12055: val ctxt = Proof.context_of state; wenzelm@12055: val prop = ProofContext.read_prop ctxt s; wenzelm@12055: in wenzelm@12055: with_modes ms (fn () => Pretty.string_of (Pretty.quote (ProofContext.pretty_term ctxt prop))) wenzelm@12055: end; wenzelm@5831: wenzelm@9128: fun string_of_term state ms s = wenzelm@5831: let wenzelm@12055: val ctxt = Proof.context_of state; wenzelm@12055: val t = ProofContext.read_term ctxt s; wenzelm@5831: val T = Term.type_of t; wenzelm@5831: in wenzelm@9128: with_modes ms (fn () => Pretty.string_of wenzelm@12055: (Pretty.block [Pretty.quote (ProofContext.pretty_term ctxt t), Pretty.fbrk, wenzelm@12055: Pretty.str "::", Pretty.brk 1, Pretty.quote (ProofContext.pretty_typ ctxt T)])) wenzelm@9128: end; wenzelm@5831: wenzelm@9128: fun string_of_type state ms s = wenzelm@5831: let wenzelm@12055: val ctxt = Proof.context_of state; wenzelm@12055: val T = ProofContext.read_typ ctxt s; wenzelm@12055: in with_modes ms (fn () => Pretty.string_of (Pretty.quote (ProofContext.pretty_typ ctxt T))) end; wenzelm@9128: wenzelm@9128: fun print_item string_of (x, y) = Toplevel.keep (fn state => wenzelm@9454: writeln (string_of (Toplevel.enter_forward_proof state) x y)); wenzelm@9128: wenzelm@12876: val print_thms = print_item string_of_thms; wenzelm@12876: fun print_prfs full = print_item (string_of_prfs full); wenzelm@12876: val print_prop = print_item string_of_prop; wenzelm@12876: val print_term = print_item string_of_term; wenzelm@12876: val print_type = print_item string_of_type; wenzelm@5831: wenzelm@12938: wenzelm@12938: (* markup commands *) wenzelm@12938: wenzelm@12938: fun add_header s = Toplevel.keep' (fn int => fn state => wenzelm@17262: (Toplevel.assert (Toplevel.is_toplevel state); wenzelm@17262: if int then OuterSyntax.check_text s state else ())); wenzelm@12938: wenzelm@12953: local wenzelm@12953: wenzelm@17262: fun enter_locale NONE = Toplevel.theory I wenzelm@17262: | enter_locale (SOME loc) = Toplevel.theory_context (fn thy => wenzelm@17262: (thy, #3 (Locale.read_context_statement (SOME loc) [] [] (ProofContext.init thy)))); wenzelm@12953: wenzelm@17262: fun present_text proof present loc (s, pos) = Toplevel.keep' (fn int => fn state => wenzelm@17262: (Toplevel.assert (can Toplevel.proof_of state = proof); wenzelm@17262: if int then wenzelm@17262: state wenzelm@18588: |> Toplevel.copy wenzelm@17262: |> Toplevel.no_body_context wenzelm@17262: |> Toplevel.command wenzelm@17262: (Toplevel.empty |> Toplevel.position pos |> enter_locale loc |> Toplevel.keep (K ())) wenzelm@17262: |> OuterSyntax.check_text (s, pos) wenzelm@17262: else Context.setmp (SOME (Toplevel.theory_of state)) present s; wenzelm@17262: raise Toplevel.UNDEF)); wenzelm@17262: wenzelm@17262: fun theory f (loc, txt) = enter_locale loc o present_text false f loc txt; wenzelm@17899: fun proof f txt = Toplevel.print o Toplevel.proof I o present_text true f NONE txt; wenzelm@12938: wenzelm@12953: in wenzelm@12953: wenzelm@12953: val add_chapter = theory Present.section; wenzelm@12953: val add_section = theory Present.section; wenzelm@12953: val add_subsection = theory Present.subsection; wenzelm@12953: val add_subsubsection = theory Present.subsubsection; wenzelm@12953: val add_text = theory (K ()); wenzelm@17262: fun add_text_raw txt = theory (K ()) (NONE, txt); wenzelm@12953: val add_txt = proof (K ()); wenzelm@12938: val add_txt_raw = add_txt; wenzelm@12938: val add_sect = add_txt; wenzelm@12938: val add_subsect = add_txt; wenzelm@12938: val add_subsubsect = add_txt; wenzelm@12938: wenzelm@5831: end; wenzelm@12953: wenzelm@12953: end;