org: clarify that ltl2tgba does not only output TGBA

* doc/org/tools.org: Adjust the link to ltl2tgba.org.
* doc/org/ltl2tgba.org: Also point out that --generic and --parity can
be used without --deterministic.
* bin/ltl2tgba.cc, bin/spot.cc: Adjust help text.

bin/ltl2tgba.cc

@@ -40,10 +40,10 @@
 #include <spot/misc/timer.hh>
 
 static const char argp_program_doc[] ="\
-Translate linear-time formulas (LTL/PSL) into Büchi automata.\n\n\
+Translate linear-time formulas (LTL/PSL) into various types of automata.\n\n\
 By default it will apply all available optimizations to output \
 the smallest Transition-based Generalized Büchi Automata, \
-in GraphViz's format.\n\
+output in the HOA format.\n\
 If multiple formulas are supplied, several automata will be output.";
 
 

bin/spot.cc

@@ -1,6 +1,6 @@
 // -*- coding: utf-8 -*-
-// Copyright (C) 2013, 2014, 2015, 2016, 2017 Laboratoire de Recherche et
+// Copyright (C) 2013-2018 Laboratoire de Recherche et Développement
-// Développement de l'Epita (LRDE).
+// de l'Epita (LRDE).
 //
 // This file is part of Spot, a model checking library.
 //
@@ -41,7 +41,7 @@ static const argp_option options[] =
     { DOC("randaut", "Generate random ω-automata.") },
     { DOC("genaut", "Generate ω-automata from scalable patterns.") },
     { DOC("ltl2tgba", "Convert LTL or PSL into variants of Transition-based "
-          "Generalized Büchi Automata.") },
+          "Generalized Büchi Automata, and to other types of automata.") },
     { DOC("ltl2tgta", "Convert LTL or PSL into variants of Transition-based "
           "Generalized Testing Automata.") },
     { DOC("autfilt", "Filter, convert, and transform ω-automata.") },

doc/org/ltl2tgba.org

@@ -8,7 +8,7 @@ This tool translates LTL or PSL formulas into different types of
 automata.
 
 The inner algorithm produces Transition-based Generalized Büchi
-Automata, hence the name of the tools, but =ltl2tgba= has grown and
+Automata, hence the name of the tool, but =ltl2tgba= has grown and
 now offers several options to adjust the type of automaton output.
 Those options will be covered in more detail below, but here is
 a quick summary:
@@ -23,6 +23,9 @@ a quick summary:
 - =--parity --deterministic= (or =-DP=) will produce a deterministic
   automaton with parity acceptance.
 
+(The latter two can also be used with =--deterministic=, but that is
+less frequent.)
+
 * TGBA and BA
 
 Formulas to translate may be specified using [[file:ioltl.org][common input options for

doc/org/tools.org

@@ -42,8 +42,8 @@ corresponding commands are hidden.
 - [[file:randltl.org][=randltl=]] Generate random LTL/PSL formulas.
 - [[file:ltlfilt.org][=ltlfilt=]] Filter, convert, and transform LTL/PSL formulas.
 - [[file:genltl.org][=genltl=]] Generate LTL formulas from scalable patterns.
-- [[file:ltl2tgba.org][=ltl2tgba=]] Translate LTL/PSL formulas into Büchi automata.
+- [[file:ltl2tgba.org][=ltl2tgba=]] Translate LTL/PSL formulas into various types of automata.
-- [[file:ltl2tgta.org][=ltl2tgta=]] Translate LTL/PSL formulas into Testing automata.
+- [[file:ltl2tgta.org][=ltl2tgta=]] Translate LTL/PSL formulas into testing automata.
 - [[file:ltlcross.org][=ltlcross=]] Cross-compare LTL/PSL-to-automata translators.
 - [[file:ltlgrind.org][=ltlgrind=]] List formulas similar to but simpler than a given LTL/PSL
   formula.