[Xapian-devel] patch-Add standard ExpandDecider subclass to restrict to terms with a particular prefix

[jiangwen jiang]

Hi, guys, I wrote a patch for  ticket
#467<http://trac.xapian.org/ticket/467>(Add
standard ExpandDecider subclass to restrict to terms with a particular
prefix).
A new ExpandDecider class is added in expanddecider.cc/h, which delete all
unprefix terms

I am a newbiee to open source contribution, please let me know if this
patch is work.

Patch is here(generate by svn diff):
https://github.com/white127/xapian-patch/blob/master/Expand.patch

It would be nice for all your answers.

Regards
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