Change the language in all paragraph and/or character styles

Script for InDesign. Works in CC 2019. As the name suggests, it changes the language setting in all paragraph and/or character styles. I have no idea who its author is and where it came from. I just edited it a little.

Click here to download the script.

See also a similar script Change Language in Styles and in the Text by Yevhenii Budantsev (Eugenyus)