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* :issue:`654`: When determining the error rate for a partial match of an
adapter with ``N`` wildcards, the number of non-N bases was not computed
correctly, which could lead to matches not being found.
* :issue:`546`: Automatically replace ``I`` in adapter sequences with ``N``.
``I`` is used to encode inosine, which matches any base. Contributed by peterjc.
* :issue:`528`: Cutadapt should now no long hang in multicore mode when an error
was raised in a worker process (for example, when an incorrectly formatted
FASTQ file was encountered).