TextJoin-func
This function is used to join two or more texts, seperated by specified delimeter.
string TextJoin(StringArray|String delim, bool empty, StringArray text )$ string TextJoin(StringArray|String delim, bool empty, String text1$, ... )$
delim
empty
text
return text constructed by joining the given texts, seperated by specified delimeter.
TextJoin(",", 1, A1$, A2$)$