Name

xper_locate_words — returns a smallest fragment of persistent XML entity object ('XPER entity') such that it contains some range of words in its text

Synopsis

xper_locate_words ( in entity any ,
  in starting_word integer ,
  in ending_word integer );
 

Description

This receives the XML entity and returns its fragment or signals an error.

Parameters

entity

A 'persistent XML' entity to be searched

starting_word

The number of the leftmost word which should be in the selected fragment

ending_word

The number of the rightmost word which should be in the selected fragment