Hfst

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* Added regexp substitution and left replace epenthesis to regexp parser.

* A bug in including zlib in foma fixed.

* Now ncurses library is used instead if termcap is not found when
building hfst-xfst.

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* Updates to regex parser and optimized lookup transducer

* SWIG bindings now work with both Python version 2 and 3. As FILE* conversions
are no longer supported in Python 3, more wrapper functions are added
that use an HfstFile argument instead.

* Some of the warnings in back-end libraries fixed or suppressed

* A bug in hfst-xfst linking fixed

* Obsolete command line tools removed

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* Experimental version of the SWIG-generated Python interface is
included in the distribution. See swig/README for more info.

* All back-ends (SFST, OpenFst and foma) are bundled with HFST.
There is no more need to install them separately.

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* Small bugs fixed in function insert_freely, flag diacritic handling
as well as lexc and pmatch tools

* GNU and bash dependencies removed from scripts to make them more portable

* The epsilon symbol argument in HfstTransducer(FILE*, ...) is made obligatory,
also a new obligatory argument added that keeps track of the line number
in the AT&T file

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* Bug fixes in tools pmatch2fst, strings2fst, substitute and guessify

* Bug fixes in replace rules

* More functionalities added to the Python interface

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* Better support for Windows compilation

* Some bugs in replace rules and hfst-regexp2fst fixed

* Bug fixes and updates in command line tools including hfst-tagger, hfst-info, optimized-lookup, hfst-regexp2fst and hfst-guessify

* PCKIMMO output mode for hfst-fst2txt

* Now option --norm precedes --log in hfst-strings2fst