Omni Systems, Inc. Mif2Go User's Guide, Version 55
> 10 Generating OmniHelp > 10.10 Configuring full-text search for OmniHelp > 10.10.5 Specifying length of search terms
You can specify the minimum length of terms to include in the search index; the default is three characters:
; SearchWordMin = minimum length of word to index for search,