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I just came across the chr() function today and it seems like it does the same exact thing as the char() function(which is what I've always used) but chr() is not documented anywhere in the official documentation. Is chr() really safe to use? Does it offer anything different from char()? Since it's not documented I assume it's possible Appian might quietly take it away in a future release thus creating issues for those using it?
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Could've been a typo they never realized?