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