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Documented PCRE version bump in 0.12.0 in news.txt.
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@@ -121,6 +121,11 @@ changes are also documented in this forum
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Changes affecting backwards compatibility
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-----------------------------------------
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- The regular expression modules, ``re`` and ``nre`` now depend on version
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8.36 of PCRE. If you have an older version you may see a message similar
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to ``could not import: pcre_free_study`` output when you start your
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program. See `this issue <https://github.com/docopt/docopt.nim/issues/13>`_
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for more information.
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- ``tables.[]``, ``strtabs.[]``, ``critbits.[]`` **now raise**
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the ``KeyError`` **exception when the key does not exist**! Use the
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new ``getOrDefault`` instead to get the old behaviour. Compile all your
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