The issues of statement

[jon-chao]

At math.js, the 55908 line of vesion 5.2.3.
'string, Object |Â Array, number | Object': _print
What is the 'Â Array'?
when I use '$.extend(true,{}, {boxed:true}, options)' ,it's has a error!

[josdejong]

Thanks for reporting @chaositao . Turns out there was a non-breaking space and an other non-ascii character in the source code of the file print.js.

I've written a small script to check for non-ascii characters in all source code. You can run this using npm run validate:ascii. The only issue was in print.js. There are other files containing extended-ascii characters but only in the comments, I don't think that will lead to errors.

Before fixing print.js it looked like this: