Function printSubPagesExcerpts

Prints excerpts of the direct subpages (1 level) of a page for a kind of overview. The setup is:

page content excerpt

Package: plugins\zenpage
Author: Malte Müller (acrylian), Stephen Billard (sbillard)
Located at zp-extensions/zenpage/zenpage-template-functions.php

Parameters summary
`integer`	`$excerptlength = NULL`	The length of the page content, if nothing specifically set, the plugin option value for 'news article text length' is used
`string`	`$readmore = NULL`	The text for the link to the full page. If empty the read more setting from the options is used.
`string`	`$shortenindicator = NULL`	The optional placeholder that indicates that the content is shortened, if this is not set the plugin option "news article text shorten indicator" is used.

Return value summary
`string`	string