According to Denis Giffeler:
> the delemiter of words in synonym lists is the blank-character.
> how do I encode synonyms with blanks in it? is there a special 
> character like '+' oder the blank entity ' '?

No, you can't embed blanks in synonyms.  There's no support for making
a single word a synonym for a phrase.  The synonyms fuzzy algorithm
only supports single words, such that each individual word on a line
in the synonyms file is equivalent to all other individual words on the
same line.

> is htfuzzy perfoming the permutations of words in the synonym list by itself?

Yes, when you run "htfuzzy synonyms", it reads the synonyms file and creates
multiple database entries for each line in the file.  E.g., the line

  cesarean caesarean cesarian

would yield the following entries in the synonyms.db database:

  Key           Data
  cesarean ->   "caesarean cesarian"
  caesarean ->  "cesarean cesarian"
  cesarian ->   "cesarean caesarean"

So, when htsearch gets any one of those words in a search query, it will
use it as a key into the database to find the other equivalent words.

-- 
Gilles R. Detillieux              E-mail: <[EMAIL PROTECTED]>
Spinal Cord Research Centre       WWW:    http://www.scrc.umanitoba.ca/~grdetil
Dept. Physiology, U. of Manitoba  Phone:  (204)789-3766
Winnipeg, MB  R3E 3J7  (Canada)   Fax:    (204)789-3930

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