org: run a spell checker on the documentation

* doc/org/autcross.org, doc/org/autfilt.org, doc/org/citing.org,
doc/org/compile.org, doc/org/concepts.org, doc/org/csv.org,
doc/org/dstar2tgba.org, doc/org/genaut.org, doc/org/genltl.org,
doc/org/hierarchy.org, doc/org/hoa.org, doc/org/index.org,
doc/org/install.org, doc/org/ltl2tgba.org, doc/org/ltl2tgta.org,
doc/org/ltlcross.org, doc/org/ltlfilt.org, doc/org/ltlgrind.org,
doc/org/ltlsynt.org, doc/org/oaut.org, doc/org/randaut.org,
doc/org/randltl.org, doc/org/satmin.org, doc/org/tut.org,
doc/org/tut01.org, doc/org/tut02.org, doc/org/tut03.org,
doc/org/tut04.org, doc/org/tut10.org, doc/org/tut11.org,
doc/org/tut12.org, doc/org/tut20.org, doc/org/tut21.org,
doc/org/tut22.org, doc/org/tut23.org, doc/org/tut24.org,
doc/org/tut30.org, doc/org/tut31.org, doc/org/tut50.org,
doc/org/tut51.org, doc/org/tut52.org, doc/org/tut90.org,
doc/org/upgrade2.org: Run ispell-buffer on all these.
* bin/autfilt.cc, python/spot/__init__.py: Fix typos in
help texts noticed while spell-checking the org files.

doc/org/concepts.org

@@ -496,7 +496,7 @@ formula.  Everything here is case-sensitive.
 
 #+BEGIN_SRC python :results verbatim raw :exports results
   import spot
-  # org-mode recognize | as a table delemiter even in ~|~ or =|= but the
+  # org-mode recognizes | as a table delimiter even in ~|~ or =|= but the
   # documented workaround to use \vert{} does not work in ~\vert{}~ or =\vert{}=.
   # So until we have a better solution, let's leave the =...= mode to display
   # \vert{} characters.
@@ -567,7 +567,7 @@ edge will have the same effect as forking the automaton to evaluate
 the rest of the word simultaneously from each universal destination.
 A run of an alternating automaton can therefore be pictured as a tree.
 The tree is accepting if all its branches satisfy the acceptance condition.
-(See the [[http://adl.github.io/hoaf/][Hanoi Omega-Automa format]] for more precise semantics.)
+(See the [[http://adl.github.io/hoaf/][Hanoi Omega-Automata format]] for more precise semantics.)
 
 For instance the following alternating co-Büchi ω-automaton was
 generated by [[https://sourceforge.net/projects/ltl3ba/][=ltl3ba 1.1.3=]] for the LTL formula =GF(a <-> Xb)=.
@@ -1033,7 +1033,7 @@ layers.
     built upon the =libspot= or =libspotgen= libraries
   - =libspotltsmin= is a library that helps interfacing Spot with
     dynamic libraries that [[http://fmt.cs.utwente.nl/tools/ltsmin/][LTSmin]] uses to represent state-spaces.  It
-    currently supports libraries generated from promela models using
+    currently supports libraries generated from Promela models using
     SpinS or a patched version of DiVinE, but you have to install
     those third-party tools first.  See [[https://gitlab.lrde.epita.fr/spot/spot/blob/next/tests/ltsmin/README][=tests/ltsmin/README=]]
     for details.
@@ -1163,3 +1163,17 @@ set right before the automaton is output.  The notable exception is
 =product-states=, which is a property present in automata returned by
 =spot::product()= function in case it is necessary to know the origins
 of each state.
+
+#  LocalWords:  utf html args ap ltl boolean automata ap BDD bdd BDDs
+#  LocalWords:  boolean acyclic subformulas Reif buchi BuDDy BDDs ap
+#  LocalWords:  ldots Minterms minterms Automata automata boolean bdd
+#  LocalWords:  minterms Automata automata buchi Büchi iff SRC ltl GF
+#  LocalWords:  tgba svg txt mathit Xb automata te hoa EOF autfilt ba
+#  LocalWords:  arg bdd Büchi iff buchi SRC ltl tgba GFa GFb autfilt
+#  LocalWords:  gba svg txt automata acc GF tba implem SRC Streett fi
+#  LocalWords:  dstar FGb twa ltlfilt neverclaim GFp tmp init od Bd
+#  LocalWords:  LBTT's lbtt LBT DRA Safra Sig ltldo FGp tl pdf psl
+#  LocalWords:  libbddx libspot libddx libspotgen libspotltsmin SpinS
+#  LocalWords:  LTSmin DiVinE ltsmin IPython Jupyter SCC SCCs trival
+#  LocalWords:  flagname newval degen dnf streett degeneralize const
+#  LocalWords:  aiger