AbbcExpandSelectionSmilie function

Almost the same as AbbcExpandSelection(), but used for smilies that may have
some other characters around them...

function AbbcExpandSelectionSmilie (&$text, &$startpos, &$endpos, $wb, $length = -1);

Parameters:

text

(string)

startpos – in/out

(int)

endpos – in/out

(int)

(string) set of accepted whitespace characters

length – optional, default: -1

(int) [optional]

(int) difference between old and new selection length

Implementation file: unb_lib/abbc.lib.php, line 1335