0.9 ..... 2009-11-05 Initial release 1.0 ..... 2010-01-19 Improved function removeDuplicateKw() to better handle deletion of duplicate plural words (English), such as "class" and "classes". 1.1 ..... 2010-01-19 Changed the function array_one_dim() to array_flatten(). 1.2 ..... 2010-08-14 Improved regular expressions in function html2txt(). 1.3 ..... 2010-08-20 Added word segmentation for character ':' in function process_text(). 1.4 ..... 2011-05-08 1.5 ..... 2012-02-26 1.6 ..... 2012-02-26 1.7 ..... 2012-11-02 Added link to repo on GitHub.
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