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Revision history for Perl extension String::Trigram.

0.01  Fri Nov 16 19:37:41 2001
  - original version; created by h2xs 1.21 with options -AX Trigram

0.02  Wed Jan 16, 2002
  - Added use locale to methods getSimilarStrings() and _trigramify()
    on kind suggestion by Oleg Bartunov. This should make keepOnlyAlNums
    and ignoreCase work correctly with non-ascii characters.

0.1   Sat Mar 8,  2003
  - moved use locale to top of package
  - Added method extendBase which adds strings to base of comparison
    any time after object has been created (like reInit, but it does not
    delete the old base of comparison).
  - getSimilarStrings has now optional parameters warp and minSim to
    change those temporarily
  - Implemented one internal method in C (makes it somewhat faster)
  - Made module faster in other places
  - Extended module to be 1-gramable, 2-gramable, 4-gramable etc.
  - Set default padding to n - 1 for (n from n-gram), i.e. 2 for
    3-grams, 3 for 4-grams etc. (this changes the default behaviour of
    a padding of 1 for trigrams!!!)
  - debogustified module in some places
  - removed one bug which should have occurred extremely rarely and
    only, when feeding the same string(s) several times to the Trigram
    object, but nevertheless ...
  - made compare function save against getting no parameters (croaks
    now)
  - made getBestMatch return 0 instead of -1, when no match is found
0.11  Fri Jul 25,  2008
  - Fixed bug in reInit()

0.12  Sun, Dec 22, 2013
  - Remove c code, replace by pure perl