[Dovecot] [BUG] Lucene plugin breaks header substring search

[Dave Abrahams]

on Mon Oct 15 2012, Timo Sirainen <tss-AT-iki.fi> wrote:

> On 16.10.2012, at 1.35, Dave Abrahams wrote:
>
>> According to the IMAP spec if I do a search for "TO isocpp.org" it
>> should find all the messages whose To: field contains the string
>> "isocpp.org", but dovecot is returning me an empty list.  However, a
>> search for "TO tm at isocpp.org" produces a long list of messages.
>
> This specific problem can be solved by:
>
> plugin {
>   fts_lucene = whitespace_chars=@.
> }

Do I also need

plugin {
  fts = lucene
}

or are these mutually exclusive, or...?  It's not clear from 
http://wiki2.dovecot.org/Plugins/FTS/Lucene

-- 
Dave Abrahams
BoostPro Computing                  Software Development        Training
http://www.boostpro.com             Clang/LLVM/EDG Compilers  C++  Boost