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fix unabbreviate

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This is a bug:

    % ltlfilt -f 'a W b' --unabbreviate=WR
    a U (b | (a W b))

* src/tl/unabbrev.cc: Here.
* src/tests/unabbrevwm.test: Harden test case.
* wrap/python/tests/randltl.ipynb: Adjust expected output.
* NEWS: Mention the fix.
This commit is contained in:
Alexandre Duret-Lutz 2015-10-19 10:22:59 +02:00
parent 43a5187ab4
commit e1ddf97862
4 changed files with 14 additions and 10 deletions
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NEWS
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@ -61,6 +61,7 @@ New in spot 1.99.4a (not yet released)
* "randaut -Q0 1" used to segfault.
* "ltlgrind -F FILENAME/COL" did not preserve other CSV columns.
* "ltlgrind --help" did not document FORMAT.
* unabbreviate could easily use forbidden operators
New in spot 1.99.4 (2015-10-01)