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/randaut.org

@@ -65,11 +65,12 @@ $txt
 
 * Acceptance condition
 
-The generation of the acceptance sets abn is controlled with the following four parameters:
+The generation of the acceptance condition and acceptance sets is
+controlled with the following four parameters:
 
- - =-A ACCEPTANCE= (or =--acceptance=ACCEPTANCE=) controls both the acceptance condition,
-   and the number of associated acceptance sets.  The =ACCEPTANCE= argument is documented
-   in =--help= as follows:
+ - =-A ACCEPTANCE= (or =--acceptance=ACCEPTANCE=) controls both the
+   acceptance condition, and the number of associated acceptance sets.
+   The =ACCEPTANCE= argument is documented in =--help= as follows:
 #+BEGIN_SRC sh :exports results
 randaut --help | sed -n '/^ \(ACCEPTANCE\|RANGE\)/,/^$/p'
 #+END_SRC
@@ -99,7 +100,7 @@ randaut --help | sed -n '/^ \(ACCEPTANCE\|RANGE\)/,/^$/p'
 
 #+end_example
 
- When a range of the form $i..j$ is used, the actual value is taken as randomly
+ When a range of the form $i..j$ is used, the actual value is taken randomly
  between $i$ and $j$ (included).
 
  - =-a= (or =--acc-probability=) controls the probability that any
@@ -137,30 +138,6 @@ $txt
 randaut -Q3 -e0.4 -B -a0.7 2 --dot
 #+END_SRC
 
-#+RESULTS: randaut5
-#+begin_example
-digraph G {
-  rankdir=LR
-  node [shape="circle"]
-  fontname="Lato"
-  node [fontname="Lato"]
-  edge [fontname="Lato"]
-  node[style=filled, fillcolor="#ffffa0"] edge[arrowhead=vee, arrowsize=.7]
-  I [label="", style=invis, width=0]
-  I -> 0
-  0 [label="0"]
-  0 -> 1 [label=<!p0 &amp; !p1>]
-  0 -> 2 [label=<!p0 &amp; !p1>]
-  1 [label="1", peripheries=2]
-  1 -> 1 [label=<!p0 &amp; !p1>]
-  1 -> 0 [label=<p0 &amp; p1>]
-  2 [label="2", peripheries=2]
-  2 -> 0 [label=<p0 &amp; p1>]
-  2 -> 2 [label=<p0 &amp; !p1>]
-  2 -> 1 [label=<!p0 &amp; !p1>]
-}
-#+end_example
-
 #+BEGIN_SRC dot :file randaut5.svg :var txt=randaut5 :exports results
 $txt
 #+END_SRC
@@ -237,7 +214,7 @@ automatically implies =--ba=.
 
 Automata are send to standard output by default, by you can use =-o=
 to give a filename, or even a pattern for filenames.  For instance the
-following generates 20 automatas, but store them in different files
+following generates 20 automata, but store them in different files
 according to the acceptance condition.  The format =%g= represent the
 formula for the acceptance condition and would not make a nice
 filename, but =%[s]g= is a short name for that acceptance condition
@@ -300,3 +277,7 @@ $txt
 
 You should be able to find each of the expected type of SCCs in the above picture.
 The green rectangles mark the three SCCs that contain some accepting cycles.
+
+#  LocalWords:  utf randaut html args SRC svg txt randltl sed Buchi
+#  LocalWords:  acc ba rankdir hoaf lbtt Hl wc rautaut SCCs SCC sccs
+#  LocalWords:  A'parity