Looks around a 'selected' [tag](...[/tag]) for (spaces and) NEW-LINES and
expands the selection to include them.
function AbbcExpandSelection (&$text, &$startpos, &$endpos, $length = -1);
(int) difference between old and new selection length
Expansion stops before first non-space && non-new-line char or after first
new-line-char. For performance, strlen($text) can be given in $length, but
Implementation file: unb_lib/abbc.lib.php, line 1298
© 2006 Yves Goergen. Unclassified NewsBoard Homepage. Reference based on UNB unb.devel.20060128, dated 2006-01-28.