Titles and excerpts not correct in results

Check out http://consensusproject.org/search/index? 
words=jail&config=&restrict=&exclude=&method=and&sort=score

Notice that some results are correctly formatted with title and  
excerpts and others have a title that is derived from the url and no  
excerpt.  If you click on one of these, the page does indeed match  
the search criteria, have a title, and have text that htdig could  
derive an excerpt from.  Also notice that these pages don't have an  
extension (i.e. .html or .asp) and have url variables.  My guess is  
that because these pages have an unknown file type because they don't  
have an extension, htdig doesn't try to derive a title and excerpt  
from them when parsing them.  The pages in question are dynamic ones  
derived from a pair of files, a .tcl script that sets up the  
requested page's variables, and a template (.adp) that lays them out  
accordingly, the web server combines them and no extension is  
necessary (see http://openacs.org/doc/acs-templating/ for details).   
The result is, however, basically HTML.

I suspect that I have to change something in my configuration file  
and rebuild my index.  Is there any way to trick htdig to treat these  
files as HTML and do the right thing?

tia,

Walter


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