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[% # creates links correctly:
   # - if the link starts with foo:// the prefix won't be appended
   # - strips ./ parts (see the comments below)
   # 
   # this template expects these vars to be set:
   # prefix - dir to prefix
   # link   - link as defined in the docset
   #
   IF link.search('^[^:]+://');
      return = link; # a complete scheme:// already
   ELSE;
       IF prefix;
           return = "$prefix/$link";
       ELSE;
          return = link;
       END;
   END;
   return = return.replace('/\./','/'); # clean a path like foo/.././bar
   return = return.replace('/\.$','');  # clean a path like foo/../.  
   return = return.replace('^\./','');  # clean a path like ./foo 
-%]   
[%- return -%]